Unit 2 Review

Chloe the Clownfish is 25 centimeters long. But, the eel is 5 times as long as Chloe. Which equation would you use to find out how long the eel is? (The letter E stands for the length of the eel.)

• 5 x E = 25

• 25 - E = 5

• 5 + 25 = E

• 5 x 25 = E

3 x 7 =

• 18

• 21

• 30

• 24

5 x 7 =

• 35

• 40

• 70

• 25

10 x 7 =

• 17

• 77

• 70

• 7

__ x 7 = 63

• 6

• 7

• 8

• 9

Choose whether the statement is true or false.

3 x 6 = 4 x 5

• True

• False

Choose whether the statement is true or false.

2 x 7 = 7 x 2

• True

• False

Choose whether the statement is true or false.

7 x 3 = (6 x 3) + (1 x 3)

• True

• False

21 - 6 = 6 - 21

• True

• False

Find the missing factor:

___ x 6 = 30

• 4

• 5

• 6

• 7