7th Grade Common Core: 7.EE.2

Common Core Identifier: 7.EE.2 / Grade: 7

Curriculum: Expressions And Equations: Use Properties Of Operations To Generate Equivalent Expressions.

Detail: Understand that rewriting an expression in different forms in a problem context can shed light on the problem and how the quantities in it are related. For example, a + 0.05a = 1.05a means that "increase by 5%" is the same as "multiply by 1.05."