 # Unit 3: Linear Relationships

 Grade 8, Unit 3: Linear Relationships Download PDF of Student Edition Download PDF of Student Practice Problems Unit Summary for Parents – PDF File Lesson Topic IM Lesson Khan Academy Support Videos Khan Academy Online Practice Class Notes Lesson Summary & Homework Help Lesson 1 – Understanding Proportional Relationships Lesson 1 8.3.1 Morgan Lesson 2 – Graphs of Proportional Relationships Lesson 2 8.3.2 Morgan Lesson 3 – Representing Proportional Relationships Lesson 3 Graphing proportional relationships: Unit Rate   Graphing Proportional Relationships from a table   Graphing proportional relationships from an equation Graphing Proportional Relationships 8.3.3 Morgan Lesson 4 – Comparing Proportional Relationships Lesson 4 Rates and proportional relationships example   Rates and proportional relationships: gas mileage Rates and proportional relationships   Quiz 1 8.3.4 Morgan Lesson 5 – Intro to Linear Relationships Lesson 5 8.3.5 Morgan Lesson 6 – More Linear Relationships Lesson 6 8.3.6 Morgan Lesson 7 – Representation of Linear Relationships Lesson 7 Linear and nonlinear functions: missing value 8.3.7 Morgan Lesson 8 – Translating to y=mx + b Lesson 8 Intro to slope-intercept form   Graph from slope-intercept equation 8.3.8 Morgan Lesson 9 – Slopes Don’t have to be Positive Lesson 9 Intro to intercepts   Slope-intercept equation from slope & point   Linear & nonlinear functions: word problems Intercepts from a graph   Slope from graph   Slope-intercept intro   Graph from slope-intercept from   Slope-intercept equation from graph 8.3.9 Morgan Lesson 10 – Calculating Slope Lesson 10 Slope from two points 8.3.10 Morgan Lesson 11 – Equations of All Kinds of Lines Lesson 11 Converting to slope-intercept form   Worked examples: slope-intercept intro Slope-intercept from two points     Quiz 2 8.3.11 Morgan Lesson 12 – Solutions to Linear Equations Lesson 12 Solutions to 2-variable equations   Worked example: solutions to 2-variable equations Solutions to 2-variable equations 8.3.12 Morgan Lesson 13 – More Solutions to Linear Equations Lesson 13 Completing solutions to 2-variable equations   x-intercept of a line   Intercepts from an equation   Worked example: intercepts from an equation Complete solutions to 2-variable equations   Intercepts from an equation   Quiz 3 8.3.13 Morgan Lesson 14 – Using Linear Relations to Solve Problems Lesson 14 8.3.14 Morgan Khan Academy Unit 3 Test