Back to Properties of Operations: Commutative, Associative, and Distributive — Problem 5 · Task Set 9

Exercises: Properties of Operations: Commutative, Associative, and Distributive

Work through each section in order. Show your work where indicated. For the mental-calculation problems, use whichever property makes the arithmetic easiest.

Grade 7·18 problems·~28 min·Uganda NCDC Primary 7 Mathematics·lesson·operations-01
Work through problems with immediate feedback
A

Fluency Practice

1.

Rearrange the numbers to make the addition easy, then evaluate 38+57+6238 + 57 + 62.