Back to Properties of Operations: Commutative, Associative, and Distributive — Problem 2 · 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

Fluency Practice

Using the associative property, $(2 \times 5) \times 8$ is equal to which of these?

$2 \times (5 \times 8)$

$8 \times (5 \times 2) \times 8$

$(2 - 5) - 8$

$2 \times 5 \times 5 \times 8$