MATHEMATICS - Algebra II: Unit 1 Linear Functions, Quadratic Functions Quadratic Equations and Complex Numbers
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MATHEMATICS Algebra II: Unit 1 Linear Functions, Quadratic Functions Quadratic Equations and Complex Numbers 1|Page
Course Philosophy/Description Algebra II continues the students’ study of advanced algebraic concepts including functions, polynomials, rational expressions, systems of functions and inequalities, and matrices. Students will be expected to describe and translate among graphic, algebraic, numeric, tabular, and verbal representations of relations and use those representations to solve problems. Emphasis will be placed on practical applications and modeling. Students extend their knowledge and understanding by solving open- ended real-world problems and thinking critically through the use of high level tasks. Students will be expected to demonstrate their knowledge in: utilizing essential algebraic concepts to perform calculations on polynomial expression; performing operations with complex numbers and graphing complex numbers; solving and graphing linear equations/inequalities and systems of linear equations/inequalities; solving, graphing, and interpreting the solutions of quadratic functions; solving, graphing, and analyzing solutions of polynomial functions, including complex solutions; manipulating rational expressions, solving rational equations, and graphing rational functions; solving logarithmic and exponential equations; and performing operations on matrices and solving matrix equations. 2|Page
ESL Framework This ESL framework was designed to be used by bilingual, dual language, ESL and general education teachers. Bilingual and dual language programs use the home language and a second language for instruction. ESL teachers and general education or bilingual teachers may use this document to collaborate on unit and lesson planning to decide who will address certain components of the SLO and language objective. ESL teachers may use the appropriate leveled language objective to build lessons for ELLs which reflects what is covered in the general education program. In this way, whether it is a pull-out or push-in model, all teachers are working on the same Student Learning Objective connected to the Common Core standard. The design of language objectives are based on the alignment of the World-Class Instructional Design Assessment (WIDA) Consortium’s English Language Development (ELD) standards with the Common Core State Standards (CCSS). WIDA’s ELD standards advance academic language development across content areas ultimately leading to academic achievement for English learners. As English learners are progressing through the six developmental linguistic stages, this framework will assist all teachers who work with English learners to appropriately identify the language needed to meet the requirements of the content standard. At the same time, the language objectives recognize the cognitive demand required to complete educational tasks. Even though listening and reading (receptive) skills differ from speaking and writing (expressive) skills across proficiency levels the cognitive function should not be diminished. For example, an Entering Level One student only has the linguistic ability to respond in single words in English with significant support from their home language. However, they could complete a Venn diagram with single words which demonstrates that they understand how the elements compare and contrast with each other or they could respond with the support of their native language with assistance from a teacher, para-professional, peer or a technology program. http://www.state.nj.us/education/modelcurriculum/ela/ELLOverview.pdf 3|Page
Pacing Chart – Unit 1 # Student Learning Objective NJSLS Big Ideas Math Correlation 1‐1 F.BF.B.3 Instruction: 8 weeks Parent Functions and Transformations. 1‐2 1,2 Assessment: 1 week Transformations of Linear and Absolute Value Functions. A-CED.A.2 1‐3 Modeling with Linear Functions. F-IF.C.9 3 F-BF.A.1a F-LE.A.2, S-ID.B.6a 4 A-CED.A.3 1.4 Solving Linear Systems. A-REI.C.6 5 F-IF.C.7c 2-1 Transformations of Quadratic Functions. F-BF.B.3 Characteristics of Quadratic Functions. F-IF.B.4 2-2 6 F-IF.C.7c F-IF.C.9 A-APR.B.3 F-IF.B.4, 2-3 Focus of a Parabola. 7 F-IF.C.7c G-GPE.A.2 A-CED.A.2 2-4 Modeling with Quadratic Functions 8 F-IF.B.6, F-BF.A.1a S-ID.B.6a 9 A-SSE.A.2 3-1 Solving Quadratic Equations A-REI.B.4b 4|Page
F-IF.C.8a Complex Numbers N-CN.A.1 3-2 10 N-CN.A.2 N-CN.C.7 A-REI.B.4b Completing the Square N-CN.C.7 3-3 11 A-REI.B.4b F-IF.C.8a Using the Quadratic Formula N-CN.C.7 3-4 12 A-REI.B.4b Solving Nonlinear Systems A-CED.A.3 3-5 13 A-REI.C.7 A-REI.D.11 Quadratic Inequalities A-CED.A.1 A- 3-6 14 CED.A.3 5|Page
Research about Teaching and Learning Mathematics Structure teaching of mathematical concepts and skills around problems to be solved (Checkly, 1997; Wood & Sellars, 1996; Wood & Sellars, 1997) Encourage students to work cooperatively with others (Johnson & Johnson, 1975; Davidson, 1990) Use group problem-solving to stimulate students to apply their mathematical thinking skills (Artzt & Armour-Thomas, 1992) Students interact in ways that support and challenge one another’s strategic thinking (Artzt, Armour-Thomas, & Curcio, 2008) Activities structured in ways allowing students to explore, explain, extend, and evaluate their progress (National Research Council, 1999) There are three critical components to effective mathematics instruction (Shellard & Moyer, 2002): Teaching for balanced mathematical understanding Developing children’s procedural literacy Promoting strategic competence through meaningful problem-solving investigations Teachers should be: Demonstrating acceptance and recognition of students’ divergent ideas. Challenging students to think deeply about the problems they are solving, extending thinking beyond the solutions and algorithms required to solve the problem Influencing learning by asking challenging and interesting questions to accelerate students’ innate inquisitiveness and foster them to examine concepts further Projecting a positive attitude about mathematics and about students’ ability to “do” mathematics Students should be: Actively engaging in “doing” mathematics Solving challenging problems Investigating meaningful real-world problems Making interdisciplinary connections Developing an understanding of mathematical knowledge required to “do” mathematics and connect the language of mathematical ideas with numerical representations Sharing mathematical ideas, discussing mathematics with one another, refining and critiquing each other’s ideas and understandings Communicating in pairs, small group, or whole group presentations Using multiple representations to communicate mathematical ideas Using connections between pictures, oral language, written symbols, manipulative models, and real-world situations Using technological resources and other 21st century skills to support and enhance mathematical understanding 6|Page
Mathematics is not a stagnate field of textbook problems; rather, it is a dynamic way of constructing meaning about the world around us, generating knowledge and understanding about the real world every day. Students should be metaphorically rolling up their sleeves and “doing mathematics” themselves, not watching others do mathematics for them or in front of them. (Protheroe, 2007) Balanced Mathematics Instructional Model Balanced math consists of three different learning opportunities; guided math, shared math, and independent math. Ensuring a balance of all three approaches will build conceptual understanding, problem solving, computational fluency, and procedural fluency. Building a balanced mathematical understanding is the focal point of developing mathematical proficiency. Students should frequently work on rigorous tasks, talk about the math, explain their thinking, justify their answer or process, build models with graphs or charts or manipulatives, and use technology. When balanced math is used in the classroom it provides students opportunities to: solve problems make connections between math concepts and real-life situations communicate mathematical ideas (orally, visually and in writing) choose appropriate materials to solve problems reflect and monitor their own understanding of the math concepts practice strategies to build procedural and conceptual confidence Teacher builds conceptual understanding by Teacher and students practice mathematics modeling through demonstration, explicit processes together through interactive instruction, and think alouds, as well as guiding activities, problem solving, and discussion. students as they practice math strategies and apply (whole group or small group instruction) problem solving strategies. (whole group or small group instruction) Students practice math strategies independently to build procedural and computational fluency. Teacher assesses learning and reteaches as necessary. (whole 7|Page group instruction, small group instruction, or centers)
Effective Pedagogical Routines/Instructional Strategies Collaborative Problem Solving Analyze Student Work Connect Previous Knowledge to New Learning Identify Student’s Mathematical Understanding Identify Student’s Mathematical Misunderstandings Making Thinking Visible Interviews Develop and Demonstrate Mathematical Practices Role Playing Inquiry-Oriented and Exploratory Approach Diagrams, Charts, Tables, and Graphs Multiple Solution Paths and Strategies Anticipate Likely and Possible Student Responses Collect Different Student Approaches Use of Multiple Representations Multiple Response Strategies Explain the Rationale of your Math Work Asking Assessing and Advancing Questions Quick Writes Revoicing Pair/Trio Sharing Marking Turn and Talk Recapping Charting Challenging Gallery Walks Pressing for Accuracy and Reasoning Small Group and Whole Class Discussions Maintain the Cognitive Demand Student Modeling 8|Page
Educational Technology Standards 8.1.12.A.1, 8.1.12.C.1, 8.1.12.F.1, 8.2.12.E.3 Technology Operations and Concepts Create a personal digital portfolio which reflects personal and academic interests, achievements, and career aspirations by using a variety of digital tools and resources. Example: Students create personal digital portfolios for coursework using Google Sites, Evernote, WordPress, Edubugs, Weebly, etc. Communication and Collaboration Develop an innovative solution to a real world problem or issue in collaboration with peers and experts, and present ideas for feedback through social media or in an online community. Example: Use Google Classroom for real-time communication between teachers, students, and peers to complete assignments and discuss strategies for solving systems of equations. Critical Thinking, Problem Solving, and Decision Making Evaluate the strengths and limitations of emerging technologies and their impact on educational, career, personal or social needs. Example: Students use graphing calculators and graph paper to reveal the strengths and weaknesses of technology associated with solving simple systems of linear and quadratic equations in two variables. Computational Thinking: Programming Use a programming language to solve problems or accomplish a task (e.g., robotic functions, website designs, applications and games). Example: Students will create a set of instructions explaining how to add, subtract, and multiply complex numbers using the commutative, associative and distributive properties. Link: http://www.state.nj.us/education/cccs/2014/tech/ 9|Page
Career Ready Practices Career Ready Practices describe the career-ready skills that all educators in all content areas should seek to develop in their students. They are practices that have been linked to increase college, career, and life success. Career Ready Practices should be taught and reinforced in all career exploration and preparation programs with increasingly higher levels of complexity and expectation as a student advances through a program of study. CRP2. Apply appropriate academic and technical skills. Career-ready individuals readily access and use the knowledge and skills acquired through experience and education to be more productive. They make connections between abstract concepts with real-world applications, and they make correct insights about when it is appropriate to apply the use of an academic skill in a workplace situation Example: Students will apply prior knowledge when solving real world problems. Students will make sound judgments about the use of specific tools, such as algebra tiles, graphing calculators and technology to deepen their understanding of solving quadric equations. CRP4. Communicate clearly and effectively and with reason. Career-ready individuals communicate thoughts, ideas, and action plans with clarity, whether using written, verbal, and/or visual methods. They communicate in the workplace with clarity and purpose to make maximum use of their own and others’ time. They are excellent writers; they master conventions, word choice, and organization, and use effective tone and presentation skills to articulate ideas. They are skilled at interacting with others; they are active listeners and speak clearly and with purpose. Career-ready individuals think about the audience for their communication and prepare accordingly to ensure the desired outcome. Example: Students will communicate precisely using clear definitions and provide carefully formulated explanations when constructing arguments. Students will communicate and defend mathematical reasoning using objects, drawings, diagrams, and/or actions. Students will ask probing questions to clarify or improve arguments. 10 | P a g e
Career Ready Practices CRP8. Utilize critical thinking to make sense of problems and persevere in solving them. Career-ready individuals readily recognize problems in the workplace, understand the nature of the problem, and devise effective plans to solve the problem. They are aware of problems when they occur and take action quickly to address the problem; they thoughtfully investigate the root cause of the problem prior to introducing solutions. They carefully consider the options to solve the problem. Once a solution is agreed upon, they follow through to ensure the problem is solved, whether through their own actions or the actions of others. Example: Students will understand the meaning of a problem and look for entry points to its solution. They will analyze information, make conjectures, and plan a solution pathway to solve linear and quadratic equations in two variables. CRP12. Work productively in teams while using cultural global competence. Career-ready individuals positively contribute to every team, whether formal or informal. They apply an awareness of cultural difference to avoid barriers to productive and positive interaction. They find ways to increase the engagement and contribution of all team members. They plan and facilitate effective team meetings. Example: Students will work collaboratively in groups to solve mathematical tasks. Students will listen to or read the arguments of others and ask probing questions to clarify or improve arguments. They will be able to explain how to perform operations with complex numbers. http://www.state.nj.us/education/aps/cccs/career/CareerReadyPractices.pdf 11 | P a g e
WIDA Proficiency Levels At the given level of English language proficiency, English language learners will process, understand, produce or use Specialized or technical language reflective of the content areas at grade level A variety of sentence lengths of varying linguistic complexity in extended oral or written discourse as 6‐ Reaching required by the specified grade level Oral or written communication in English comparable to proficient English peers Specialized or technical language of the content areas A variety of sentence lengths of varying linguistic complexity in extended oral or written discourse, 5‐ Bridging including stories, essays or reports Oral or written language approaching comparability to that of proficient English peers when presented with grade level material. Specific and some technical language of the content areas A variety of sentence lengths of varying linguistic complexity in oral discourse or multiple, related 4‐ Expanding sentences or paragraphs Oral or written language with minimal phonological, syntactic or semantic errors that may impede the communication, but retain much of its meaning, when presented with oral or written connected discourse, with sensory, graphic or interactive support General and some specific language of the content areas Expanded sentences in oral interaction or written paragraphs 3‐ Developing Oral or written language with phonological, syntactic or semantic errors that may impede the communication, but retain much of its meaning, when presented with oral or written, narrative or expository descriptions with sensory, graphic or interactive support General language related to the content area Phrases or short sentences 2‐ Beginning Oral or written language with phonological, syntactic, or semantic errors that often impede of the communication when presented with one to multiple-step commands, directions, or a series of statements with sensory, graphic or interactive support 1‐ Entering Pictorial or graphic representation of the language of the content areas Words, phrases or chunks of language when presented with one-step commands directions, WH-, choice or yes/no questions, or statements with sensory, graphic or interactive support 12 | P a g e
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Culturally Relevant Pedagogy Examples Integrate Relevant Word Problems: Contextualize equations using word problems that reference student interests and cultures. Example: When learning about building functions in two variables, problems that relate to student interests such as music, sports and art enable the students to understand and relate to the concept in a more meaningful way. Everyone has a Voice: Create a classroom environment where students know that their contributions are expected and valued. Example: Norms for sharing are established that communicate a growth mindset for mathematics. All students are capable of expressing mathematical thinking and contributing to the classroom community. Students learn new ways of looking at problem solving by working with and listening to each other. Run Problem Based Learning Scenarios: Encourage mathematical discourse among students by presenting problems that are relevant to them, the school and /or the community. Example: Using a Place Based Education (PBE) model, students explore math concepts such as systems of equations while determining ways to address problems that are pertinent to their neighborhood, school or culture. Encourage Student Leadership: Create an avenue for students to propose problem solving strategies and potential projects. Example: Students can learn to construct and compare linear, quadratic and exponential models by creating problems together and deciding if the problems fit the necessary criteria. This experience will allow students to discuss and explore their current level of understanding by applying the concepts to relevant real-life experiences. Present New Concepts Using Student Vocabulary: Use student diction to capture attention and build understanding before using academic terms. Example: Teach math vocabulary in various modalities for students to remember. Use multi-modal activities, analogies, realia, visual cues, graphic representations, gestures, pictures and cognates. Directly explain and model the idea of vocabulary words having multiple meanings. Students can create the Word Wall with their definitions and examples to foster ownership. 15 | P a g e
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SEL Competency Examples Content Specific Activity & Approach to SEL Self-Awareness Example practices that address Self-Awareness: Encourage students to articulate their thoughts Self-Management by restating the problem in their own words or Social-Awareness • Clearly state classroom rules by describing to you what they know about the Relationship Skills • Provide students with specific feedback regarding scenario and the question(s) being asked. Responsible Decision-Making academics and behavior Acknowledge any student frustrations with the • Offer different ways to demonstrate understanding task and remind them that frustration is normal when working with a challenging task. • Create opportunities for students to self-advocate • Check for student understanding / feelings about Ask students to identify their own personal performance interest, strengths, and weaknesses in math. For • Check for emotional wellbeing example, have students evaluate their strengths • Facilitate understanding of student strengths and and weaknesses when writing arithmetic and challenges geometric sequences both recursively and with an explicit formula. Self-Awareness Example practices that address Self-Management: Have students brainstorm ways to motivate Self-Management themselves and self-monitor. Use fraction bars Social-Awareness • Encourage students to take pride/ownership in work and other linear diagrams to represent their Relationship Skills and behavior learning targets (e.g., mood thermometers or Responsible Decision-Making • Encourage students to reflect and adapt to classroom progress lines). Discuss your own self- situations motivation techniques that keeps you going when you want to give up. • Assist students with being ready in the classroom • Assist students with managing their own emotional Practicing how to make tough decisions can state help your students learn how their actions affect others. Give your students real-life application problems in which they would have to make an important choice. Have them write down their answer to each situation by themselves, then discuss their answers as a class. 17 | P a g e
Self-Awareness Example practices that address Social-Awareness: During the first week of school, work Self-Management collaboratively with students to establish shared Social-Awareness • Encourage students to reflect on the perspective of classroom rules and expectations and Relationship Skills others consequences so that students can see the Responsible Decision-Making • Assign appropriate groups impact of their own actions and behaviors on • Help students to think about social strengths outcomes. • Provide specific feedback on social skills Tell stories about famous mathematicians who • Model positive social awareness through showed respect for each other within the metacognition activities discipline (e.g., Blaise Pascal and Pierre de Fermat) to demonstrate to students how to listen or read the arguments of others, decide whether they make sense, and ask useful questions to clarify or improve their arguments. Self-Awareness Example practices that address Relationship Skills: Use cooperative learning and project-based Self-Management learning to provide students with frequent Social-Awareness • Engage families and community members opportunities to develop and routinely practice Relationship Skills • Model effective questioning and responding to communication and social skills. Ask students Responsible Decision-Making students to explain their partner’s reasoning to you. • Plan for project-based learning Frequent checking-in with students establishes “perspective taking” as the classroom norm. • Assist students with discovering individual strengths • Model and promote respecting differences Implement the use of a group rubric for students • Model and promote active listening to complete for group activities or projects. • Help students develop communication skills Students should reflect after working together • Demonstrate value for a diversity of opinions how well the group works together, follows the lead of others, supports each person in the group, provides structure, and supports ideas. 18 | P a g e
Self-Awareness Example practices that address Responsible Encourage students to justify their solution path Self-Management Decision-Making: and to model the thinking and decision making Social-Awareness that they used to arrive at their answers. Relationship Skills • Support collaborative decision making for academics Responsible Decision-Making Use rich math problems that demand group and behavior effort. Before proceeding, have students • Foster student-centered discipline discuss norms for mathematical collaboration. • Assist students in step-by-step conflict resolution Have them answer questions about what they process like to do while working in groups. How can • Foster student independence they act to make the group work well? • Model fair and appropriate decision making • Teach good citizenship 19 | P a g e
Differentiated Instruction Accommodate Based on Students Individual Needs: Strategies Time/General Processing Comprehension Recall Extra time for assigned tasks Extra Response time Precise processes for balanced Teacher-made checklist mathematics instructional Adjust length of assignment Have students verbalize steps Use visual graphic organizers model Timeline with due dates for Repeat, clarify or reword Reference resources to reports and projects Short manageable tasks directions promote independence Communication system Brief and concrete directions between home and school Mini-breaks between tasks Visual and verbal reminders Provide immediate feedback Provide lecture notes/outline Provide a warning for Graphic organizers transitions Small group instruction Partnering Emphasize multi-sensory learning Assistive Technology Tests/Quizzes/Grading Behavior/Attention Organization Computer/whiteboard Extended time Consistent daily structured Individual daily planner routine Tape recorder Study guides Display a written agenda Simple and clear classroom Video Tape Shortened tests rules Note-taking assistance Read directions aloud Frequent feedback Color code materials 20 | P a g e
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Differentiated Instruction Accommodate Based on Content Needs: Strategies Anchor charts to model strategies for finding the length of the arc of a circle Review Algebra concepts to ensure students have the information needed to progress in understanding Pre-teach pertinent vocabulary Provide reference sheets that list formulas, step-by-step procedures, theorems, and modeling of strategies Word wall with visual representations of mathematical terms Teacher modeling of thinking processes involved in solving, graphing, and writing equations Introduce concepts embedded in real-life context to help students relate to the mathematics involved Record formulas, processes, and mathematical rules in reference notebooks Graphing calculator to assist with computations and graphing of trigonometric functions Utilize technology through interactive sites to represent nonlinear data Graphic organizers to help students interpret the meaning of terms in an expression or equation in context Translation dictionary Sentence stems to provide additional language support for ELL students. 22 | P a g e
Interdisciplinary Connections Model interdisciplinary thinking to expose students to other disciplines. Social Studies Connection: Social Studies Standard 6.2.12.B.1.a; 6.2.12.B.1.b Name of Task: Carbon 14 Dating The task requires the student to use logarithms to solve an exponential equation in the realistic context of carbon dating, important in archaeology and geology, among other places Science Connection: Science Standard HS-PS-1-6 Name of Task: Course of Antibiotics This task presents a real-world application of finite geometric series. The context can lead into several interesting follow-up questions and projects. Many drugs only become effective after the amount in the body builds up to a certain level. This can be modeled very well with geometric series. 23 | P a g e
Enrichment What is the purpose of Enrichment? The purpose of enrichment is to provide extended learning opportunities and challenges to students who have already mastered, or can quickly master, the basic curriculum. Enrichment gives the student more time to study concepts with greater depth, breadth, and complexity. Enrichment also provides opportunities for students to pursue learning in their own areas of interest and strengths. Enrichment keeps advanced students engaged and supports their accelerated academic needs. Enrichment provides the most appropriate answer to the question, “What do you do when the student already knows it?” Enrichment is… Enrichment is not… Planned and purposeful Just for gifted students (some gifted students may need Different, or differentiated, work – not just more work intervention in some areas just as some other students may need frequent enrichment) Responsive to students’ needs and situations Worksheets that are more of the same (busywork) A promotion of high-level thinking skills and making connections within content Random assignments, games, or puzzles not connected to the content areas or areas of student interest The ability to apply different or multiple strategies to the content Extra homework The ability to synthesize concepts and make real world and cross- curricular connections. A package that is the same for everyone Elevated contextual complexity Thinking skills taught in isolation Sometimes independent activities, sometimes direct instruction Unstructured free time Inquiry based or open-ended assignments and projects Using supplementary materials in addition to the normal range of resources. Choices for students Tiered/Multi-level activities with flexible groups (may change daily or weekly) 24 | P a g e
Assessments Required District/State Assessments Unit Assessment NJSLA SGO Assessments Suggested Formative/Summative Classroom Assessments Describe Learning Vertically Identify Key Building Blocks Make Connections (between and among key building blocks) Short/Extended Constructed Response Items Multiple-Choice Items (where multiple answer choices may be correct) Drag and Drop Items Use of Equation Editor Quizzes Journal Entries/Reflections/Quick-Writes Accountable talk Projects Portfolio Observation Graphic Organizers/ Concept Mapping Presentations Role Playing Teacher-Student and Student-Student Conferencing Homework 25 | P a g e
New Jersey Student Learning Standards A-CED.A.1 Create equations and inequalities in one variable and use them to solve problems. Include equations arising from linear and quadratic functions, and simple rational and exponential functions. A-CED.A.2 Create equations in two or more variables to represent relationships between quantities; graph equations on coordinate axes with labels and scales. A-CED.A.3 Represent constraints by equations or inequalities, and by systems of equations and/or inequalities, and interpret solutions as viable or nonviable options in a modeling context. A-SSE.A.2 Use the structure of an expression to identify ways to rewrite it. For example, see x4 - y4 as (x2)2 - (y2)2, thus recognizing it as a difference of squares that can be factored as (x2 - y2)(x2 + y2). A-REI.B.4b Solve quadratic equations by inspection. A-REI.C.6 Solve systems of linear equations exactly and approximately (e.g., with graphs), focusing on pairs of linear equations in two variables. A-REI.C.7 Solve a simple system consisting of a linear equation and a quadratic equation in two variables algebraically and graphically A-REI.D.11 Explain why the x-coordinates of the points where the graphs of the equations y = f(x) and y = g(x) intersect are the solutions of the equation f(x) 26 | P a g e
New Jersey Student Learning Standards A-APR.B.3 Identify zeros of polynomials when suitable factorizations are available, and use the zeros to construct a rough graph of the function defined by the polynomial. F-IF.B.4 For a function that models a relationship between two quantities, interpret key features of graphs and tables in terms of the quantities, and sketch graphs showing key features given a verbal description of the relationship. Key features include: intercepts; intervals where the function is increasing, decreasing, positive, or negative; relative maximums and minimums; symmetries; end behavior; and periodicity. F-IF.B.6 Calculate and interpret the average rate of change of a function (presented symbolically or as a table) over a specified interval F-IF.C.7c Graph polynomial functions, identifying zeros when suitable factorizations are available, and showing end behavior. F-IF.C.9 Compare properties of two functions each represented in a different way (algebraically, graphically, numerically in tables, or by verbal descriptions). For example, given a graph of one quadratic function and an algebraic expression for another, say which has the larger maximum. F-BF.A.1a Determine an explicit expression, a recursive process, or steps for calculation from a context. F.BF.B.3 Identify the effect on the graph of replacing f(x) by f(x) + k, k f(x), f(kx), and f(x + k) for specific values of k (both positive and negative); find the value of k given the graphs. Experiment with cases and illustrate an explanation of the effects on the graph using technology. Include recognizing even and odd functions from their graphs and algebraic expressions for them 27 | P a g e
New Jersey Student Learning Standards F-LE.A.2 Construct linear and exponential functions, including arithmetic and geometric sequences, given a graph, a description of a relationship, or two input-output pairs (include reading these from a table). F-IF.C.8a Use the process of factoring and completing the square in a quadratic function to show zeros, extreme values, and symmetry of the graph, and interpret these in terms of a context. G-GPE.A.2 Derive the equation of a parabola given a focus and directrix. N-CN.A.1 Know there is a complex number i such that i2 = -1, and every complex number as the form a + bi with a and b real. N-CN.A.2 Use the relation i2 = -1 and the commutative, associative, and distributive properties to add, subtract, and multiply complex numbers. N-CN.C.7 Solve quadratic equations with real coefficients that have complex solutions. S-ID.B.6a Fit a function to the data; use functions fitted to data to solve problems in the context of the data. Use given functions or choose a function suggested by the context. Emphasize linear, quadratic, and exponential models. 28 | P a g e
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Mathematical Practices 1. Make sense of problems and persevere in solving them. 2. Reason abstractly and quantitatively. 3. Construct viable arguments and critique the reasoning of others. 4. Model with mathematics. 5. Use appropriate tools strategically. 6. Attend to precision. 7. Look for and make use of structure. 8. Look for and express regularity in repeated reasoning. Course: Algebra II Unit: 1 (One) Topics: Linear Functions, Quadratic Functions Quadratic Equations and Complex Numbers 30 | P a g e
NJSLS: A-CED.A.1, A-CED.A.2, A-CED.A.3, A-SSE.A.2, A-REI.B.4b, A-REI.C.6, A-REI.C.7, A-REI.D.11, A-APR.B.3, F-IF.B.4, F-IF.B.6, F-IF.C.7c, F-IF.C.9, F-BF.A.1a, F.BF.B.3, F-LE.A.2, F-IF.C.8a, G-GPE.A.2, N-CN.A.1, N-CN.A.2, N-CN.C.7, S-ID.B.6a Unit Focus: Identify parent functions and transformations. Describe transformations of parent functions. Model with linear functions and solve linear systems. Describe transformations of quadratic functions. Identify characteristics of quadratic functions. Write equations of parabolas. Model with quadratic functions. Perform operations with complex numbers. Solve quadratic equations by completing the square. Describe how to use the quadratic formula. Solve nonlinear systems and quadratic inequalities. New Jersey Student Learning Standard(s): 31 | P a g e
F.BF.B.3 Identify the effect on the graph of replacing f(x) by f(x) + k, k f(x), f(kx), and f(x + k) for specific values of k (both positive and negative); find the value of k given the graphs. Experiment with cases and illustrate an explanation of the effects on the graph using technology. Include recognizing even and odd functions from their graphs and algebraic expressions for them Student Learning Objective 1: Parent Functions and Transformations. Student Learning Objective 2: Transformations of Linear and Absolute Value Functions. Modified Student Learning Objectives/Standards: N/A . Evidence Statement Key/ Skills, Strategies & Concepts Essential Understandings/ Tasks/Activities MPs Clarifications Questions (Accountable Talk) F‐BF.3‐2 MP2 Identify the effect on the graph of How do the graphs of Type II, III: MP4 replacing f(x) by f(x) + k, k f(x), f(kx), Explain the term parent function if it is y = f(x) + k, y = f (x − h), MP6 and f(x + k) for specific values of k unfamiliar. and y = −f(x) compare to Exploring Sinusoidal MP7 (both positive and negative); find the the graph of the parent Functions value of k given the graphs, limiting Write the Core Concept, which shows the function the function types to polynomial, graphs of linear functions transformed. f ? Building a quadratic exponential, logarithmic, and function from f(x)=x 2 Make the connection to the results found in trigonometric functions. i.) What are the characteristics translating the absolute value function in the Building an Explicit of some of the basic parent explorations. Quadratic Function by Experimenting with cases functions? and illustrating an Composition explanation are not • MP7 Look For and Make Use of Structure: Is it possible to use more assessed here. Use the notation g(x) = f(x) + (−3) and then Identifying Quadratic than one transformation on F‐BF.3‐3 Recognize a function? Functions (Standard Form) even and odd functions substitute for f(x) to help students see the from their graphs and vertical shift of 3 units. Identifying Quadratic algebraic expressions for Functions (Vertex Form) them, limiting the 32 | P a g e
function types to • MP7: Use the notation h(x) = f(x − (−2)) Medieval Archer polynomial, exponential, and then evaluate the function for an input logarithmic, and Transforming the graph of of x + 2. trigonometric functions. a function Experimenting with The result is a horizontal translation of 2 units. cases and illustrating an Additional tasks: explanation are not • Have students translate f up 4 units to see assessed here. F‐BF.3‐5 that the result is the same as the horizontal shift Identifying Even and Odd Illustrating an Functions in. Have students compare y = − ∣ x ∣ with the explanation is not parent function and look at the table of values. assessed here. Function notation representation of transformations Perform transformations on graphs of polynomial, exponential, logarithmic, or trigonometric functions. Identify the effect on the graph of replacing f(x) by: o f(x) + k; o k f(x); o f(kx); o and f(x + k) for specific values of k (both positive and negative). Identify the effect on the graph of combinations of transformations. Given the graph, find the value of k. SPED Strategies: Model how the function notation of transformations correlates to changes in the values and graph of a function. Provide students with a reference document that illustrates verbally and pictorially the features of a function and how they are changed due to transformation. ELL Strategies: 33 | P a g e
Demonstrate comprehension of the effects on the graph of replacing f(x) by f(x) + k, k f(x), f(kx), and f(x + k) for specific values of k, by illustrating an explanation using technology and finding the value of k given the graphs in L1 and/or use gestures, examples and selected technical words. Practice sketching the graph of a parent’s function and their transformation. Verbalize observations made when students use graphic calculator to display functions transformation. 34 | P a g e
New Jersey Student Learning Standard(s): A-CED.A.2 Create equations in two or more variables to represent relationships between quantities; graph equations on coordinate axes with labels and scales. F-IF.C.9 Compare properties of two functions each represented in a different way (algebraically, graphically, numerically in tables, or by verbal descriptions). For example, given a graph of one quadratic function and an algebraic expression for another, say which has the larger maximum. F-BF.A.1a Determine an explicit expression, a recursive process, or steps for calculation from a context. F-LE.A.2 Construct linear and exponential functions, including arithmetic and geometric sequences, given a graph, a description of a relationship, or two input-output pairs (include reading these from a table). S-ID.B.6a Fit a function to the data; use functions fitted to data to solve problems in the context of the data. Use given functions or choose a function suggested by the context. Emphasize linear, quadratic, and exponential models. Student Learning Objective 3: Modeling with Linear Functions. Modified Student Learning Objectives/Standards: Evidence Statement Key/ Skills, Strategies & Concepts Essential Understandings/ Tasks/Activities MPs Clarifications Questions (Accountable Talk) MP1 A-CED.A.2 M6 Items must have real-world How can you use a linear MP7 context • Limit equations to function to model and two variables. analyze a real-life situation? 35 | P a g e
Using a Given Input and Output to Build a Model. F-IF.C.9 Identify the input and output values. Convert the Function types should be data to two coordinate pairs. Find the slope. limited to linear, quadratic , square root, cube root, SPED Strategies: piecewise‐defined (including step functions and absolute Review the solving linear Functions value functions), and exponential functions. Pre-teach the vocabulary and provide verbal and Exponential functions are pictorial descriptions limited to those with domains in the integers. • Items may Provide students with a graphic or may not have real world organizer/reference sheet/Google Doc that context. highlights the thinking and procedure involved in F‐BF.A.1a, F-LE.A.2 writing geometric and arithmetic sequences in And S‐ID.B.6a recursive and explicit form. Evidence Statement • Write a function based on ELL Strategies: an observed pattern in a real‐ world scenario. Write the linear model. Use the model to make a Clarification prediction by evaluating the function at a given x- • Items must have real‐world value. Use the model to identify an x-value that context. results in a given y-value. Write equations of • Limit to linear, quadratic linear functions using points and slopes. Find lines and exponential functions of fit and lines of best fit. Ask probing questions with domains in the integers. • Similar to creating a to gauge students’ recollection of what function from a scatterplot information is necessary to write a linear function but for this standard the and the two forms. relationship between the two • Write the Core Concept. Be sure to check that quantities is clear from the students recall the slope formula. Discuss linear context. 36 | P a g e
regression and correlation (positive, negative, none) with students. New Jersey Student Learning Standard(s): A-CED.A.3 Represent constraints by equations or inequalities, and by systems of equations and/or Inequalities, and interpret solutions as viable or nonviable options in a modeling context. A-REI.C.6 Solve systems of linear equations exactly and approximately (e.g., with graphs), focusing on Pairs of linear equations in two variables. Student Learning Objective 4: Solving Linear Systems. Modified Student Learning Objectives/Standards: Xxxxxx Evidence Statement Key/ Skills, Strategies & Concepts Essential Understandings/ Tasks/Activities MPs Clarifications Questions (Accountable Talk) A.APR.B.3 MP1 Evidence Statement • Visualize solutions of systems of linear How can you determine the MP2 Provide constraints equations in three variables. Solve systems number of solutions of a linear MP3 based on real‐world of linear equations in three variables system? context for equations, algebraically. Solve real-life problems 37 | P a g e
inequalities, systems of SPED Strategies: equations and systems Link the concept of solving a system of of inequalities. • equations with one linear and one quadratic Determine if a solution equation to solving a system of linear is viable based on real‐ equations. world context. Model the thinking and processes necessary to decide on a solution path and solve a Clarification system with one linear equation and one • Items must have real‐ quadratic equation accurately. world context. • Systems are limited to Provide students with reference sheets/notes systems of equations to encourage confidence and independence. with two equations and two unknowns. ELL Strategies: A.REI.C.6 Demonstrate understanding of solving systems of linear and quadratic equations; Clarification then explain orally how to solve the equations in two variables in the student’s • Items may have real‐ native language and/or use gestures, world context. • Items equations and selected, technical words. do not require student to use a particular Create an outline that allows students to method. • Systems are organize and follow information that they are receiving. Outlines can be blank or to be provided for partially filled in to vary difficulty. students when assessing this standard Use a graphic calculator to solve a linear system of equations to help students understand what various type of solutions might look like. 38 | P a g e
Provide students with construction paper, scissors and tape to build models of linear systems that have one, infinitely many solutions and no solutions. New Jersey Student Learning Standard(s): F-IF.C.7c Graph polynomial functions, identifying zeros when suitable factorizations are available, And showing end behavior. F.BF.B.3 Identify the effect on the graph of replacing f(x) by f(x) + k, k f(x), f(kx), and f(x + k) for specific values of k (both positive and negative); find the value of k given the graphs. Experiment with cases and illustrate an explanation of the effects on the graph using technology. Include recognizing even and odd functions from their graphs and algebraic expressions for them Student Learning Objective 5: Transformations of Quadratic Functions Modified Student Learning Objectives/Standards: xxxxxx Evidence Statement Skills, Strategies & Concepts Essential Understandings/ Tasks/Activities MPs Key/ Clarifications Questions (Accountable Talk) Describe transformations of quadratic MP3 F.BF.B.3 How do the constants a, h, and functions. Write transformations of quadratic k affect the graph of the functions. quadratic function Limit to linear and SPED Strategies: quadratic functions. g(x) = a(x − h)2 + k? The experiment part of Model how the function notation of the standard is transformations correlates to changes in the instructional only. This values and graph of a function. 39 | P a g e
aspect of the standard is “How can you tell when two not assessed. Provide students with a reference document ordered pairs are a reflection that illustrates verbally and pictorially the in the x-axis?” features of a function and how they are “How can you tell when two changed due to transformation. functions are a reflection in the x-axis?” ELL Strategies: Write the Core Concept. Discuss f(x) = x2 as the squaring function. This allows you to talk about h affecting the graph in a horizontal direction because the squaring has not been done yet. The x-value is being determined. The value of k affects the graph in a vertical direction because the squaring has happened. The y-value was determined by the squaring function, and now k is being added to or subtracted from it. In deductive reasoning, you start with two or more statements that you know or assume to be true. From these, you deduce or infer the truth of another statement. Demonstrate comprehension of the effects on the graph of replacing f(x) by f(x) + k, k f(x), f(kx), and f(x + k) for specific values of k, by illustrating an explanation using technology and finding the value of k given the graphs in L1 and/or use gestures, examples and selected technical words. Practice sketching the graph of a parent’s function and their transformation. 40 | P a g e
Verbalize observations made when students use graphic calculator to display functions transformation. New Jersey Student Learning Standard(s): F-IF.B.4 For a function that models a relationship between two quantities, interpret key features of graphs and tables in terms of the quantities, and sketch graphs showing key features given a verbal description of the relationship. Key features include: intercepts; intervals where the function is increasing, decreasing, positive, or negative; relative maximums and minimums; symmetries; end behavior; and periodicity. F-IF.C.7c Graph polynomial functions, identifying zeros when suitable factorizations are available, and showing end behavior. F-IF.C.9 Compare properties of two functions each represented in a different way (algebraically, graphically, numerically in tables, or by verbal descriptions). For example, given a graph of one quadratic function and an algebraic expression for another, say which has the larger maximum. A-APR.B.3 Identify zeros of polynomials when suitable factorizations are available, and use the zeros to construct a rough graph of the function defined by the polynomial. Student Learning Objective 6: Characteristics of Quadratic Functions. Modified Student Learning Objectives/Standards: xxxxx Evidence Statement Key/ Essential Understandings/ Tasks/Activities MPs Clarifications Skills, Strategies & Concepts Questions (Accountable Talk) 41 | P a g e
F.IF.C.9 Explore properties of parabolas. What type of symmetry does MP3 Function types should be Find maximum and minimum values of the graph of limited to linear, quadratic , quadratic functions. Graph quadratic functions f(x) = a(x − h)2 + k have and MP7 square root, cube root, using x-intercepts. Solve real-life problems. how can you describe this piecewise-defined (including symmetry? step functions and absolute Students should be able to state the vertex in addition to describing the symmetry. Turn and Talk: “If you know value functions), and the vertex of a parabola, can exponential functions. What the students should know about the you graph the parabola? Exponential functions are function f(x) = 1/ 2 x2 − 2x − 2?” Partners Explain.” limited to those with domains should identify the function as a quadratic that in the integers. • Items may or Advancing Question: opens upward and has a y-intercept of −2. may not have real world Students may recall the formula for the x- “If you knew the vertex and context. coordinate of the vertex from their Algebra 1 one additional point on the A.APR.B.3 class. graph, would that be enough to graph the Cubic polynomials may be • The table of values should reveal the parabola? Explain.” used if one linear factor and an symmetry of the y-values centered at x = 2. easily factorable quadratic SPED Strategies: factor are provided. • Zeros of Model the thinking behind determining when cubic polynomials must be and how to use the graphing calculator to integers. • Construction of a graph complicated polynomials. rough graph is limited to the graph of a quadratic Provide students with opportunities to practice the thinking and processes involved in polynomial. graphing polynomial equations by hand and using technology by working small groups. Develop a reference sheet for student use that includes formulas, processes and procedures 42 | P a g e
and sample problems to encourage proficiency and independence. ELL Strategies: Demonstrate comprehension of complex questions in student’s native language and/or simplified questions with drawings and selected technical words concerning graphing functions symbolically by showing key features of the graph by hand in simple cases and using technology for more complicated cases. Use technology to graph polynomial and identify the end behavior and y intercept in the figure. Use technology to create table of values to verify 43 | P a g e
New Jersey Student Learning Standard(s): F-IF.B.4 For a function that models a relationship between two quantities, interpret key features of graphs and tables in terms of the quantities, and sketch graphs showing key features given a verbal description of the relationship. Key features include: intercepts; intervals where the function is increasing, decreasing, positive, or negative; relative maximums and minimums; symmetries; end behavior; and periodicity. F-IF.C.7c Graph polynomial functions, identifying zeros when suitable factorizations are available, and showing end behavior. G-GPE.A.2 Derive the equation of a parabola given a focus and directrix. Student Learning Objective 7: Focus of a Parabola. Modified Student Learning Objectives/Standards: M.EE.F-IF.4–6: Construct graphs that represent linear functions with different rates of change and interpret which is faster/slower, higher/lower, etc. Evidence Statement Essential Understandings/ Tasks/Activities MPs Key/ Clarifications Skills, Strategies & Concepts Questions (Accountable Talk) MP2 G-GPE.A.2 Explore the focus and the directrix of a What is the focus of a MP4 parabola. Write equations of parabolas. parabola? MP7 Understand or Solve real-life problems. complete a derivation What information will you need?” SPED Strategies: To write the equation of a parabola of the equation of a with its vertex at the origin, circle of given center and radius using the Pre-teach vocabulary using visual and What is the vertex of the parabola?” Pythagorean Theorem; verbal models that are connected to real life complete the square to situations and ensure that students include these definitions their reference notebook. find the center and Model how to derive the equation of a circle 44 | P a g e
radius of a circle given given the center and radius using the by an equation. Pythagorean Theorem Ensure that students include this information in their reference Clarifications notebook. Model how to use the equation of a circle to determine the radius and center. i) Tasks must go Provide students with hands on beyond simply finding opportunities to explore and extend their understanding by working in small groups, the center and radius of see the application to real life a circle. ELL Strategies: Display an image of a satellite dish. Have students share their knowledge of satellite dishes and how they work. The essential piece is that the satellite dish is an antenna that receives electromagnetic signals from an orbiting satellite. The shape of the satellite dish is parabolic. Explain orally and in writing the equation of a circle of given center and radius in the student’s native language and/or use gestures, examples and selected technical words, and short simple sentences. 45 | P a g e
New Jersey Student Learning Standard(s): A-CED.A.2 Create equations in two or more variables to represent relationships between quantities; graph equations on coordinate axes with labels and scales. F-IF.B.6 Calculate and interpret the average rate of change of a function (presented symbolically or as a table) over a specified interval F-BF.A.1a Determine an explicit expression, a recursive process, or steps for calculation from a context. S-ID.B.6a Fit a function to the data; use functions fitted to data to solve problems in the context of the data. Student Learning Objective 7: Modeling with Quadratic Functions. Modified Student Learning Objectives/Standards: xxxx . Evidence Statement Skills, Strategies & Concepts Essential Understandings/ Tasks/Activities MPs Key/ Clarifications Questions (Accountable Talk) MP4 How can you use a quadratic Write equations of quadratic functions using MP6 F-BF.A.1a function to model a real-life vertices, points, and x-intercepts. situation? Evidence Statement • Write quadratic equations to model data sets. This standard is not Students should be familiar with identifying Turn and Talk: Have students assessed as a standalone a linear function from a table of values read the example and view the standard. where the constant rate of change was found graph. in the first differences. Introduce the idea F.IF.B.6 that when second differences are equal, the What information is known in data is quadratic. the example, and what Clarification SPED Strategies: 46 | P a g e
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