Eureka Math Grade 3 Module 1 Topic C Lesson 9 Warmup

Use the commutative property of multiplication to make this sentence true: ___x2 = 2x7

• 7

• 14

Use the commutative property of multiplication to make this sentence true: 2x___=8x2

• 16

• 8

Which repeated addition sentence using 5 as the size of the group is shown in this array?

• 3 + 3 + 3 + 3 + 3 = 15

• 5 + 5 + 5 = 15

How many fours are shown in this array?

• 4

• 3

What does the 3 represent in the equation 3 x 4 = 12

• size of the groups

• number of groups

What does the 4 represent in the equation 3 x 4 = 12

• number of groups

• size of the groups

Which multiplication sentence is shown in this array?

• 3 x 4 = 12

• 4 x 3 = 12

Choose the number that makes the equation true

14 = ____ x 2

• 4

• 7

Choose the number that makes the equation true

16 = _____ x 3

• 6

• 13

5 threes = ______

• 3

• 15