Grade 3 Math Sample Question 20

What is the missing number?

6 x (7 x 2) = (6 x 7) x __

A) 2 (Correct Answer)

B) 14

C) 42

D) None of the above

Explanation:
According to the Associative (Grouping) Property of Multiplication, the manner in which the factors in a multiplication expression are grouped does not affect the product. Therefore, the correct answer would be 2, since that is the missing factor in the expression on the right side.

Related Common Core State Standard: Number & Operations in Base Ten: 3.OA.5

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Ray Shawn