Arizona's College and Career Ready Standards
AZ.6.EE. Expressions and Equations (EE)
6.EE.A. Apply and extend previous understanding of arithmetic to algebraic expressions.
6.EE.A.3. Apply the properties of operations to generate equivalent expressions. For example, apply the distributive property to the expression 3 (2 + x) to produce the equivalent expression 6 + 3x.
6.EE.B. Reason about and solve one-variable equations and inequalities.
6.EE.B.5. Understand solving an equation or inequality as a process of reasoning to find the value(s) of the variables that make that equation or inequality true. Use substitution to determine whether a given number in a specified set makes an equation or inequality true.