Midcontinent Research for Education and Learning
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Reference
Common Core Mathematics 68
Cluster
Use properties of operations to generate equivalent expressions.
Grade 7
7.EE.1.
Apply properties of operations as strategies to add, subtract, factor, and expand linear expressions with rational coefficients.
7.EE.2.
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.”