Unit 3 Ninja Math Review

Question 1

Max sorts his toy cars in 7 piles with 3 cars in each pile. Write a number sentence to solve.

Accepted Answer

7 x 3 = 21

Question 2

Tim has 5 bags with 4 marbles in each. Which equations can he use to find the total marbles?

Accepted Answer

5 + 5 + 5 + 5, 4 + 4 + 4 + 4 + 4

Question 3

Mat has 12 eggs to make cakes. Select all of the ways he could divide up the eggs.

Accepted Answer

4 eggs in each of 3 recipes, 6 eggs in each of 2 recipes

Question 4

Select the number sentence that shows the Commutative Property of Multiplication.

Accepted Answer

6 x 3 = 3 x 6

Question 5

Li makes 3 pots of chili with 1 green and 2 red peppers in each pot. How many peppers in all?

Accepted Answer

9

Question 6

Select all number sentences with the same value as 6 x 4.

Accepted Answer

4 x (2 x 3), (3 + 3) x (2 + 2)

Question 7

Select all expressions that could be used to find 8 x 4.

Accepted Answer

4 x 8, (8 x 2) + (8 x 2), 4 x (2 x 4)

Question 8

Bo sorts his toy cars in 4 piles. He has 3 cars in each pile. How many in all?

Accepted Answer

12

Question 9

I made an array to show 3 x 8 = 24. Would an array of 8 x 3 also equal 24? How do you know?

Accepted Answer

Yes. Associative Property of Multiplication

Questions 9