Multiplying Decimals by whole numbers | Baamboozle - Baamboozle

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Multiplying decimals by powers of ten, estimating, and using models

Study Slideshow

0.43 X 10

4.3

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0.075 X 100

7.5

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0.005 X 10

0.05

15

0.004 X 100

0.4

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0.07 X 1000

70

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10 to the 2nd power = ?

100

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10 to the 3rd power = ?

1000

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When you multiply by a power of ten you move what direction?

right

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10 x 10 x 10

1000

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0.01 x 4.5

.045

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0.1 x 6.7

0.67

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When you multply a decimal number by 0.1, which way do you move the decimal?

to the left

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Write the multiplication number sentence that matches the decimal model below. Then, solve

0.48 x 2 = 0.96

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Write the multiplication number sentence that matches the decimal model below. Then, solve

0.19 x 6 = 1.14

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Estimate the product. 0.38 x 99

0.38 x 100 = 38 or 0.40 x 100 = 40

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Estimate the product. 8 x 56.7

8 x 60 = 480 or 10 x 57 = 570

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