Grade 7 · Expressions and Equations

CCSS.MATH.CONTENT.7.EE.A.1

Apply properties of operations as strategies to add, subtract, factor, and expand linear expressions with rational coefficients.

Read this standard on the official Common Core site

Lessons that teach this standard

• Combining Like Terms

  What makes two terms alike, how to collect them by adding their coefficients, why the variable part never changes, and how to move terms safely with their signs.

• The Distributive Property: Expanding and Factoring

  How to multiply across a bracket, why the area model explains it, how a negative outside the bracket changes every sign, and how to factor by reversing the process.