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Achievement Descriptor – 6.Mod4.AD8
6.Mod4.AD8 Identify equivalent expressions.
RELATED CCSSM 6.EE.A.4 Identify when two expressions are equivalent (i.e., when the two expressions name the same number regardless of which value is substituted into them). For example, the expressions y + y + y and 3y are equivalent because they name the same number regardless of which number y stands for.
Partially Proficient Proficient
Identify equivalent expressions. Which expressions are equivalent to 4(x + 2) − x? Choose all that apply.
A. 4x + 2 − x B. 4x + 8 − x C. 3x + 8 D. 3x + 2 E. 4x + 8 Highly Proficient
RELATED CCSSM 6.EE.B.5 Understand solving an equation or inequality as a process of answering a question: which values from a specified set, if any, make the equation or inequality true? Use substitution to determine whether a given number in a specified set makes an equation or inequality true.
Partially Proficient Proficient
Determine whether a given value is a solution to an equation. Which value of g makes 5 + 2(g + 4) = 13 a true number sentence?
A. 13 B. 11 C. 2 D. 0 Highly Proficient
