Unit Concept Map Grade Level: 8th Grade Pre-Algebra Course Essential Question: Subject: Mathematics Unit Topic: Unit 9: Introduction to Algebra 1 Unit Essential Question: Part A: How are linear equations written, solved, and graphed using different forms? Part B: How are compound inequalities represented graphically and symbolically? Part C: How are systems of linear inequalities written, solved, and graphed? PA Standards/Anchors(Assessment Anchor/Eligible Content) Part A Assessment Anchor: M08.A-N.1 Demonstrate an understanding of rational and irrational A1.1.2.1 Write, solve, and/or graph linear equations using various methods. Part B Assessment Anchor: M08. A1.1.3.1 Write, solve, and/or graph linear inequalities using various methods. Part C Assessment Anchor: M08. A1.1.3.2 Write, solve, and/or graph systems of linear inequalities using various methods (limit systems to two linear inequalities). Concepts: By the end of the unit, students will: Part A: Associate graphs of lines with different forms of equations Part B: Understand the difference between “and” and “or” compound inequalities Part C: Relate graphs of linear equations and inequalities Part C: Understand how to determine the solution area of a system of inequalities Skills: By the end of the unit, students will: Part A: Write, solve, and/or graph linear equations using various methods Part A: Convert linear equations between different forms (slopeintercept, standard, point-slope) Part B: Write and/or solve compound inequalities and graph their solutions sets on a number line Part C: Graph linear inequalities Part C: Graph systems of linear inequalities Part C: Determine if a point is a solution to a system of linear inequalities Vocabulary Part A Slope-Intercept Form Standard Form Point-Slope Form Part B Compound Inequality And/Or Union/Intersection Null Set Open/Closed Interval Part C Linear Inequality System of Linear Inequalities Solution Area Linear Programming **Some of the vocabulary terms may already be known to students but are still prudent to review** Formative Assessments Summative Assessment Resources Daily exit tickets (focused after each lesson and can also be spiraled to include the previous day’s content) Give students a system to solve and have them explain their reasoning for choosing the method that they did End of class quizzes Summative Assessment Part A: o Demonstrate understanding and ability to use all three different forms of linear equations Summative Assessment Part B: o Demonstrate ability to write and graph single variable compound inequalities Summative Assessment Part C: o Demonstrate ability to write and graph systems of linear inequalities and determine solution sets Prentice Hall Mathematics PreAlgebra Prentice Hall Mathematics Algebra 1 Study Island Calculators Suggest Unit Lessons: Part A: Slope-intercept Form Part A: Standard Form Part A: Point-slope Form Part A: Conversion between forms Part B: Graph linear inequalities (1-variable) Part B: Compound inequalities (1-variable) Part C: Graphing Linear Inequalities (2-variable) Part C: Graphing Systems of Linear Inequalities (2-variable) Part C: Linear Programming Key Lesson Questions: Part A-1 How are linear equations in slope-intercept form written, solved, and graphed? Part A-2 How are linear equations in standard form written, solved, and graphed? Part A-3 How are linear equations in point-slope form written, solved, and graphed? Part A-4 How are linear equations represented in different forms? Part B-1 How are single variable linear inequalities written and graphed on a number line? Part B-2 How are compound inequalities represented graphically? Part C-1 How are two-variable linear inequalities graphed? Part C-2 How is a coordinate pair tested for compatibility with a solution set of a linear inequality (algebraically and graphically)? Part C-3 How is a coordinate pair tested for compatibility with a solution set of a system of linear inequalities (algebraically and graphically)?