Unit 6: Expressions and equations

Lesson 1: Tape diagrams and equations
Lesson 2: Truth and equations
Lesson 3: Staying in balance
Lesson 4: Practice solving equations and representing situations with equations
Lesson 5: A new way to interpret a over b
Extra practice: Equations
Lesson 6: Write expressions where letters stand for numbers
Lesson 7: Revisit percentages
Lesson 9: The distributive property, part 1
Lesson 10: The distributive property, part 2
Lesson 11: The distributive property, part 3
Lesson 12: Meaning of exponents
Lesson 13: Expressions with exponents
Lesson 14: Evaluating expressions with exponents
Lesson 15: Equivalent exponential expressions
Lesson 16: Two related quantities, part 1
Lesson 17: Two related quantities, part 2
Lesson 18: More relationships
Extra practice: Expressions