Mathematics Curriculum Guide Algebra 1 SDC Modified 2016-17 Page 1 of 10 Algebra 1 SDC Modified – Topic 4 Stage One – Desired Results Paramount Unified School District Educational Services Topic 4: Linear Functions Transfer Goals 1) Demonstrate perseverance by making sense of a never-before-seen problem, developing a plan, and evaluating a strategy and solution. 2) Effectively communicate orally, in writing, and using models (e.g., concrete, representational, abstract) for a given purpose and audience. 3) Construct viable arguments and critique the reasoning of others using precise mathematical language. Standards N-Q 2 A-CED 2 F-IF 1 F-IF 2 F-LE 1b F-IF 6 Timeframe: 5 weeks/23 days Start Date: November 7, 2016 Assessment Dates: December 14-15, 2016 Meaning-Making Understandings Essential Questions Students will keep considering… Students will understand that… Equations can be used to solve a solution of given real-world problems. A function is a special type of relation where each value in the domain is paired with one value in the range. A vertical line test shows whether a relation is a function. Ratios may be used to show a relationship between changing quantities. The slope of a line is consistent from point to point. Vertical lines have an undefined slope. Horizontal lines have a slope of 0. The slope and y-intercept of a line can be used to graph the equation of a line. The slope of a line will determine whether the line is increasing or decreasing. The equation of a line can be written in slope-intercept form, standard form, and point-slope form. Any two equations for the same line are equivalent. How can you represent and describe functions? Can function describe real-world situations? How are functions different from relations? How are the domain and range related? What can the domain and range tell you about the relation or function? How can you determine if a function is linear or not? What information does the equation of a line give? What does the slope of a line indicate about the line? Which forms of equation (slope-intercept form, point-slope form, and standard form) would be more appropriate to a given situation? F-IF 7 Acquisition F-LE 2 G-GPE 5 Knowledge Students will know… Vocabulary: function rule, function, modeling, independent variable, dependent variable, discrete, continuous, relation, domain, range, vertical line test, rate of change, slope, slope formula, horizontal line, vertical line, positive, negative, zero, undefined, increasing line, decreasing line, slope-intercept form, slope, y-intercept, rise over run, increasing, decreasing, point-slope form, standard form Ax + By = C, x-intercept, y-intercept Skills Students will be skilled at and able to do the following… Identify and justify what the independent and dependent variables are. Identify and justify if a function is continuous or discrete. Determine if a relation is a function, and find the domain and range of a function. Use function notation to define a function rule. Determine the slope of a line given two points, a table, or its graph.* Given a point and the slope of a line, students will be able to find a missing coordinate of another point on the line. Create a graph of the given linear function using the slope-intercept form. Graph a linear function using its equation. Write a linear equation given the slope and y-intercept. Students will be able to write the equation of a line in point-slope form. Students will be able to change from point-slope form to slope-intercept form. Change equations from standard from to slope intercept form. Page 2 of 10 Paramount Unified School District Educational Services Algebra 1 SDC Modified – Topic 4 Stage Two – Evidence of Learning Topic 4: Linear Functions Transfer is a student’s ability to independently apply understanding in a novel or unfamiliar situation. In mathematics, this requires that students use reasoning and strategy, not merely plug in numbers in a familiar-looking exercise, via a memorized algorithm. Transfer goals highlight the effective uses of understanding, knowledge, and skills we seek in the long run – that is, what we want students to be able to do when they confront new challenges, both in and outside school, beyond the current lessons and unit. These goals were developed so all students can apply their learning to mathematical or real-world problems while simultaneously engaging in the Standards for Mathematical Practices. In the mathematics classroom, assessment opportunities should reflect student progress towards meeting the transfer goals. With this in mind, the revised PUSD transfer goals are: 1) Demonstrate perseverance by making sense of a never-before-seen problem, developing a plan, and evaluating a strategy and solution. 2) Effectively communicate orally, in writing, and by using models (e.g., concrete, representational, abstract) for a given purpose and audience. 3) Construct viable arguments and critique the reasoning of others using precise mathematical language. Multiple measures will be used to evaluate student acquisition, meaning-making and transfer. Formative and summative assessments play an important role in determining the extent to which students achieve the desired results in stage one. Formative Assessment Summative Assessment Aligning Assessment to Stage One What constitutes evidence of understanding for this lesson? What evidence must be collected and assessed, given the desired results defined in stage one? Through what other evidence during the lesson (e.g. response to questions, observations, journals, etc.) will students demonstrate achievement of the What is evidence of understanding (as opposed to recall)? desired results? Through what task(s) will students demonstrate the desired understandings? How will students reflect upon, self-assess, and set goals for their future learning? Discussions and student presentations Checking for understanding (using response boards) Ticket out the door, Cornell note summary, and error analysis Performance Tasks within a Unit Teacher-created assessments/quizzes Opportunities Unit assessments Teacher-created quizzes and/or mid-unit assessments Illustrative Mathematics tasks (https://www.illustrativemathematics.org/) Performance tasks Page 3 of 10 Paramount Unified School District Educational Services Algebra 1 SDC Modified – Topic 4 Stage Two – Evidence of Learning Topic 4: Linear Functions The following pages address how a given skill may be assessed. Assessment guidelines, examples and possible question types have been provided to assist teachers in developing formative and summative assessments that reflect the rigor of the standards. These exact examples cannot be used for instruction or assessment, but can be modified by teachers. Unit Skills SBAC Targets (DOK) Identify and justify what the independent and dependent variables are. Identify and justify if a function is continuous or discrete. Determine if a relation is a function, and find the domain and range of a function. Use function notation to define a function rule. Determine the slope of a line given two points, a table, or its graph.* Given a point and the slope of a line, students will be able to find a missing coordinate of another point on the line. Create a graph of the given linear function using the slope-intercept form. Graph a linear function using its equation. Write a linear equation given the slope and y-intercept. Students will be able to write the equation of a line in pointslope form. Students will be able to change from point-slope form to slope-intercept form. Change equations from standard from to slope intercept form. Create equations that describe numbers or relationships. (1,2) Solve equations and inequalities in one and two variables. (1,2) Standards N-Q 2 Examples A-CED 2 F-IF 1 F-IF 2 F-LE 1b F-IF 6 Interpret results in the context of a situation. (2) Identify important quantities in a practical situation and map their relationships (e.g., using diagrams, graphs, etc.) (1,2,3) F-IF 7 F-LE 2 G-GPE 5 Page 4 of 10 Paramount Unified School District Educational Services Algebra 1 SDC Modified – Topic 4 Stage Three –Learning Experiences & Instruction Topic 4: Linear Functions Transfer Goals 1) 2) 3) Demonstrate perseverance by making sense of a never-before-seen problem, developing a plan, and evaluating a strategy and solution. Effectively communicate orally, in writing, and using models (e.g., concrete, representational, abstract) for a given purpose and audience. Construct viable arguments and critique the reasoning of others using precise mathematical language. Essential Questions: Standards: N-Q 2, A-CED 2, F-IF 1, F-IF 2, F-LE 1b, F-IF 6, F-IF 7, F-LE 2, G-GPE 5 How can you represent and describe functions? Can function describe real-world situations? How are functions different from relations? How are the domain and range related? What can the domain and range tell you about the relation or function? How can you determine if a function is linear or not? What information does the equation of a line give? What does the slope of a line indicate about the line? Which forms of equation (slope-intercept form, point-slope form, and standard form) would be more appropriate to a given situation? Time 2 Days (Nov. 7-8) *Note: Review coordinate plane and graphing ordered pairs. 2 Days (Nov. 9-10) Lesson/ Activity Topic Opener SMP 1, 2, 3, 4, 6 Lesson: How Much Does a 100x100 In-N-Out Cheeseburger Cost? The main idea of the lesson opener is to spark student interest in the problem. Students may try to figure out how much a 3x3 burger would cost. This lesson may be revisited so that students write a function rule in which they will be able to find the cost of an NxN burger. Lesson 4-5: Writing a Function Rule SMP 1, 2, 3, 4 (pp. 262-267) N-Q 2, A-CED 2 Timeframe: 5 weeks/23 days Start Date: November 7, 2016 Assessment Dates: December 14-15, 2016 Focus Questions for Lessons Understandings Knowledge Skills Resources How is this problem similar to or different from problems that we have encountered in the past? What methods can we use to solve this problem? How many variables are there in this problem, what are they, and how are they related? Solutions may be expressed using a graph, an input-output table, or a written explanation, or an equation The cost of a cheeseburger at In-N-Out will be dependent on the number of meat & cheese layers. There is only one layer of lettuce and tomato per burger. Vocabulary: In-N-Out cheeseburger, hamburger, and 3x3 burger. Construct a viable argument to justify a solution method Working towards: Create a linear equation that represents a real-life situation PDF Lesson: How Much Does a 100x100 In-N-Out Cheeseburger Cost? on the L Drive in Algebra 2014-2015 Folder Can you write an equation that represents the real-world situation? How can a model help you write an equation? How can drawing a diagram help you write a rule? How can you determine which variable is dependent and independent? How can you determine if a function is discrete or continuous? Many real-world situations can be represented by equations. Once you see a pattern in a relationship, you can write a rule. Equations can be used to solve a solution of given real-world problems. A function can represent a real-life situation. There can only be one price for a cheeseburger with a set number of cheese and patties. Vocabulary: function rule, function, modeling, independent variable, dependent variable, discrete, continuous Discrete functions have variable that can be counted. Continuous functions have variables that can be measured. http://robertkapli nsky.com/work/i n-n-out-100-x100/ To create a linear function that represents a given real-world situation. Identify and justify what the independent and dependent variables are. Identify and justify if a function is continuous or discrete. Common Core Problems: 5, 6, 22, 23, 26, 30 Learn Zillion: 8TNWK9F Page 5 of 10 Time 2 days (Nov. 14-15) Lesson/ Activity Lesson 4-6: Formalizing Relations and Functions SMP 1, 2, 3, 4, 6 (pp. 268-273) Focus Questions for Lessons Understandings How are functions and relations related? How can you determine if a relation is a function or not? A function is a special type of relation where each value in the domain is paired with one value in the range. A vertical line test shows whether a relation is a function. Vocabulary: relation, domain, range, vertical line test What does the slope tell you about the relations between two quantities? Why does the rate of change need to be constant for a relation to be linear? How is the slope formula and finding the slope of the line from a graph representative of the same process? Ratios may be used to show a relationship between changing quantities. The slope of a line is consistent from point to point. Vertical lines have an undefined slope. Horizontal lines have a slope of 0. How can you use the slope & yintercept of a line to create a graph? How do you know the direction of the line and the position of the line? What must you know to write the equation of a line in slopeintercept form? The slope and y-intercept of a line can be used to graph the equation of a line. The slope of a line will determine whether the line is increasing or decreasing. One form for writing the equation of a line is the slope-intercept F-IF 1, F-IF 2 2 days (Nov. 16-17) Lesson 5-1: Rate of Change and Slope SMP 1, 2, 3, 4 (pp. 294-300) F-LE 1b, F-IF 6 3 Days (Nov. 18, 28, 29) Lesson 5-3: Intercept Form SMP 1, 2, 3, & 4 (pp. 308-314) F-IF 7 Knowledge Skills Additional Resources Determine if a relation is a function Find the domain and range of a function Use function notation to define a function rule. Common Core Problems: 5-7, 26-28, 30, 35 Vocabulary: rate of change, slope, slope formula, horizontal line, vertical line, positive, negative, zero, undefined, increasing line, decreasing line. Find the slope of a line through two given points. Find the slope of a line from the graph of the line. Determine the slope of a line given two points, a table, or its graph.* Given a point and the slope of a line, students will be able to find a missing coordinate of another point on the line. Practice & Problem Solving Workbook: 5-1 Think About a Plan 5-1 Practice p. 139 Vocabulary: slope-intercept form, slope, y-intercept, rise over run, increasing, decreasing. Create a graph of the given linear function using the slope-intercept form. Create a linear equation that represents a real-life situation.* Graph a linear function using its equation. Write a linear equation given the slope and yintercept. Students know that if a relation is a function for each value in the domain there is only value for range. Students know what a vertical line test is. The equation of a line, and its graph represent the same line. All points that make the equation true; are points on the line. TEST PREP: 5-1 Standardized Test Prep p. 141 Problems 3 & 5 Practice & Problem Solving Workbook: 5-3 Practice p. 147 TEST PREP: 5-3 Standardized Test Prep p. 149 Problems 1-4 Common Core Practices Instruction in the Standards for Mathematical Practices Use of Talk Moves Note-taking Use of Manipulatives Use of Technology Use of Real-world Scenarios Project-based Learning Thinking Maps Page 6 of 10 Time 2 Days (Nov. 30 & Dec. 1) 2 Days (Dec. 2 & 5) Lesson/ Activity Understandings Knowledge Skills Additional Resources Lessons 4.5, 4.6, 5.1, 5.3 Common Quiz Teacher Generated Quiz Use this day to assess student learning. Lesson 5-4: PointSlope Form SMP 1, 3, and 4 (pp. 315-320) F-LE 2 2 Days (Dec. 6-7) Focus Questions for Lessons Lesson 5-5: Standard From SMP 1, 2, 3, and 4 (pp. 322-328) G-GPE 5 Given the equation of a line in point-slope form, how can you determine the slope and another point that lies on the line? Describe the situation in which using the point-slope form is appropriate. Point-slope form is a form for writing the equation of a line. Any two equations for the same line are equivalent. The slope and any point on the line can be used to write an equation of the line. How do you graph an equation written in standard form? How can you write an equation is slope intercept form given it in standard form? How can you write an equation in standard form The standard form of a linear equation makes it possible to find intercepts and draw graphs quickly. Vocabulary: point-slope form Write a linear equation using point-slope form. Know the steps to change a point-slope form to slope-intercept form. Vocabulary: standard form Ax + By = C, x-intercept, yintercept. Write a linear equation in standard form. Understand that the same line can be written in slope-intercept form, point-slope form, or standard form. 2 Days (Dec. 8-9) Topic 4 Performance Task See attached “Performance Task” for details 2 Days (Dec. 12-13) Review Topic 4 Concepts & Skills Use Textbook Resources and/or Teacher Created Items 2 Days (Dec. 14-15) Topic 4 Assessment (Created and provided by PUSD) Construct a viable argument to justify a solution method. Students will be able to write the equation of a line in point-slope form. Students will be able to change from point-slope form to slope-intercept form. Create a linear equation that represents a real-life situation.* Change equations from standard from to slope intercept form. Practice & Problem Solving Workbook: 5-4 Practice p. 151 Problems 1-4, 15, 17-20. TEST PREP: 5-4 Standardized Test Prep p. 153 Problems 1-4 Practice & Problem Solving Workbook: 5-5 Practice p. 155 Problems 1-12 TEST PREP: 5-5 Standardized Test Prep p. 157 Problems 3, 4, & 5 Common Core Practices Instruction in the Standards for Mathematical Practices Use of Talk Moves Note-taking Use of Manipulatives Use of Technology Use of Real-world Scenarios Project-based Learning Thinking Maps Page 7 of 10 Paramount Unified School District Educational Services Algebra Topic 4 Performance Task Name: AlgebraName:_________________________ Problem Solving Task: Have you noticed that dropping objects into a glass of water raises the water level? The diagram and table below show what happens to the height (y) of the water in a certain glass when different numbers of identical marbles(x) are dropped into it. Write an equation that represents the situation. Use the race method to describe how you found the equation. Then answer the questions on the back. Strategy 1: Equation: Strategy 2: Equation: Page 8 of 10 Explanation: R A C E ______________________________________ ______________________________________ ______________________________________ ______________________________________ ______________________________________ ______________________________________ ______________________________________ ______________________________________ ______________________________________ ______________________________________ ______________________________________ ______________________________________ ______________________________________ ______________________________________ Page 9 of 10 Is the relation a function? ___________________ Why or Why not?_____________________ _____________________________________________________________________________ _____________________________________________________________________________ Is the relation linear? ___________________ Why or Why not?_________________________ _____________________________________________________________________________ _____________________________________________________________________________ What is the independent variable? ___________________________ What is the dependent variable? ____________________________________________________________________ Is the relation discrete or continuous? How do you know? _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ What is the domain?___________________________________________________________ What is the range?____________________________________________________________ What is the lowest water level the glass could have? _____________________________________________________________________________ _____________________________________________________________________________ How many marbles can be dropped into the glass before the water overflows?_____________ Explain how you determined this. _____________________________________________________________________________ _____________________________________________________________________________ _____________________________________________________________________________ Observations: Listen to and record the strategies that you saw others present. Which strategies were the most efficient? Reflection: Reflect on what strategies you used or saw others use in their presentation. What did you/they do well? What do you/they need to work on? Page 10 of 10
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