Multiplying and Dividing by 10 100 1000

21 x 10 =

• 2.1

• 21

• 210

• 2100

350 ÷ 10 =

• 3.5

• 35

• 350

• 0.35

47 x 100 =

• 4.7

• 47

• 470

• 4700

5600 ÷ 100 =

• 5.6

• 56

• 560

• 5600

When you multiply a number by 10, how many zeros increase?

• 0

• 1

• 2

• 3

When you multiply a number by 100, how many zeros increase?

• 0

• 1

• 2

• 3

When you divide a number by 10, how many zeros decrease?

• 0

• 1

• 2

• 3

When you divide a number by 100, how many zeros decrease?

• 0

• 1

• 2

• 3

• 4.7

• 47

• 470

• 4700

• 0.4

• 4

• 40

• 400