Unit 4: Linear equations and linear systems (K-A)

Extra practice: Linear equations (K-A)

Lesson 12: Systems of equations (K-A)

Lesson 13: Solving systems of equations (K-A)

Lesson 14: Solving more systems (K-A)

Lesson 16: Solving problems with systems of equations (K-A)

Lesson 3: Balanced moves (K-A)

Lesson 4: More balanced moves (K-A)

Lesson 5: Solving any linear equation (K-A)

Lesson 7: All, some, or no solutions (K-A)

Lesson 8: How many solutions? (K-A)

Lesson 9: When are they the same? (K-A)