Unit 3: Linear Relationships

Grade 8, Unit 3: Linear Relationships

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Lesson Topic

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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