Trimester #2 – 8th Grade Math
For trimester #2 we will be focusing on:
Unit 3: Linear relationships (17 days)
Represent
- situations involving proportional relationships (Lesson 1)
- constants of proportionality in different ways (Lesson 3)
- slope using expressions (Lesson 7)
- linear relationships using graphs, tables, equations, and verbal descriptions (Lesson 8)
- situations using negative slopes and slopes of zero (Lesson 9)
- situations by graphing lines and writing equations (Lesson 12)
- situations involving linear relationships (Lesson 14)
Generalize
- categories for graphs (Lesson 2)
- about equations and linear relationships (Lesson 7)
- in order to make predictions about the slope of lines (Lesson 10)
Explain
- how to graph proportional relationships (Lesson 3)
- how to use a graph to determine information about a linear situation (Lessons 5 and 6)
- how to graph linear relationships (Lesson 10)
- how slope relates to changes in a situation (Lesson 11)
Unit 4: Linear Equations and Linear Systems (18 days)
Critique
- strategies for solving puzzles (Lesson 1)
- reasoning about maintaining balance in equations (Lesson 3)
- solutions of linear equations (Lessons 4 and 5)
- reasoning about structures of systems of equations (Lesson 14)
- explanations of solutions (Lesson 16)
Justify
- strategies for solving puzzles (Lessons 1 and 5)
- predictions about maintaining balance (Lesson 2)
- predictions about solutions of linear equations (Lesson 6)
Generalize
- about the structures of equations that have one, infinite, and no solutions (Lessons 7 and 8)
- about the structures of systems of equations (Lessons 14 and 15)
Unit 5: Functions and Volume (25 days)
Generalize
- about what happens to inputs for each rule (Lesson 1)
- about dimensions of cylinders (Lesson 14)
- about the relationship between the volumes of cylinders and cones (Lesson 15)
- about dimensions of cones (Lesson 16)
- about volumes of spheres, cones, and cylinders as functions of their radii (Lesson 21)
Justify
- claims about what can be determined from given information (Lesson 2)
- claims about volumes of cubes and spheres based on graphs (Lesson 7)
- claims about approximately linear relationships (Lesson 10)
- reasoning about the volumes of spheres and cones (Lesson 21)
Compare
- different representations of functions (Lesson 3)
- features of graphs, equations, and situations (Lesson 4)
- features of a situation with features of a graph (Lesson 6)
- temperatures shown on a graph with different temperatures given in a table (Lesson 7)
- the volumes of cones with the volumes of cylinders (Lesson 16)
- methods for finding and approximating the volume of a sphere as function of its radius (Lesson 20)