Multiplication by Powers of 10

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What is multiplication by powers of 10?

Back

Multiplication by powers of 10 involves multiplying a number by 10 raised to an exponent, which shifts the decimal point to the right. For example, multiplying by 10^2 (or 100) shifts the decimal two places to the right.

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CCSS.5.NBT.A.2

Front

What is 10^1 x 5?

Back

50

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CCSS.5.NBT.A.2

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What is 10^2 x 3?

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300

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CCSS.5.NBT.A.2

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What is 10^3 x 2?

Back

2000

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CCSS.5.NBT.A.2

Front

How do you interpret 4 x 5 x 100?

Back

You multiply 4 and 5 to get 20, then multiply by 100 to get 2000.

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CCSS.4.NBT.B.5

Front

What is the result of 12 x 120?

Back

1440

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CCSS.4.NBT.B.5

Front

What is 10^3 x 28?

Back

28000

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CCSS.5.NBT.A.2

Front

What is the product of 12 x 500?

Back

6000

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CCSS.4.NBT.B.5

Front

What is the product of 40 x 70?

Back

2800

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CCSS.4.NBT.B.5

Front

How does multiplying by 10 affect a number?

Back

Multiplying by 10 increases the value of the number tenfold and shifts the decimal point one place to the right.

Tags

CCSS.5.NBT.A.2