# Multiplying decimals by powers of 10

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##### Intros

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##### Examples

###### Lessons

**Multiplying decimals by powers of 10 by moving the decimal**

Multiply:**Multiplying decimals by powers of 10 by filling in the blanks**

Fill in the missing number in the following questions:**Using**__HUNDREDTHS__block models for decimal multiplication by powers of 10

If one whole is represented by a hundred block (big square made out of 100 tiny squares), then a tenth is represented by a stick (of 10 tiny squares). 10 tenths will make one whole, and 100 hundredths will make one whole.

Show the following multiplication statements using base ten block models, and solve:**Using**__THOUSANDTHS__block models for decimal multiplication by powers of 10

If one whole is represented by a thousand cube (cube made out of 10 hundred blocks/plates; 1000 tiny squares), then a tenth is represented by a hundred block (plate of 100 tiny squares). 10 hundred blocks will make one whole, and 1000 thousandths will make one whole.

Show the following multiplication statements using base ten block models, and solve:**Word problem for decimal multiplication by powers of 10**

If the price of reusable metal drinking straws is $0.29 each when buying them straight from the factory, how much would it cost to buy 1000 metal straws in bulk?

Write out the multiplication statement and solve.

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