Khan Academy
Algebraic thinking
Linear equations and functions
Open Up
Unit 2 Family Materials Representing Proportional Relationships with Tables Representing Proportional Relationships with
UNIT 2: PRACTICE PROBLEM SETS
Unit 3 Family Materials Proportional Relationships Representing Linear Relationships Finding Slopes
UNIT 3: PRACTICE PROBLEM SETS
Unit 4 Family Materials Puzzle Problems Systems of Linear Equations
UNIT 4: PRACTICE PROBLEM SETS