Multiplying and Dividing by Powers of 10

Front

What is a power of 10?

Back

A power of 10 is a number that can be expressed as 10 raised to an exponent, such as 10^2 (which equals 100) or 10^3 (which equals 1000).

Tags

CCSS.5.NBT.A.2

Front

How do you divide a number by 10?

Back

To divide a number by 10, move the decimal point one place to the left. For example, 48.99 ÷ 10 = 4.899.

Tags

CCSS.5.NBT.A.2

Front

What happens when you divide by 10^2?

Back

When you divide by 10^2 (or 100), you move the decimal point two places to the left. For example, 48.99 ÷ 100 = 0.4899.

Tags

CCSS.5.NBT.A.2

Front

How do you multiply a number by 10?

Back

To multiply a number by 10, move the decimal point one place to the right. For example, 2.5 x 10 = 25.

Tags

CCSS.5.NBT.A.2

Front

What happens when you multiply by 10^2?

Back

When you multiply by 10^2 (or 100), you move the decimal point two places to the right. For example, 0.243 x 100 = 24.3.

Tags

CCSS.5.NBT.A.2

Front

What is the result of 2.97 ÷ 1,000?

Back

0.00297.

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CCSS.5.NBT.B.7

Front

What is the result of 43.2 x 10^3?

Back

43,200.

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CCSS.8.EE.A.4

Front

What is the result of 5.54 × 0.01?

Back

0.0554.

Tags

CCSS.6.NS.B.3

Front

How do you express 0.1 as a power of 10?

Back

0.1 can be expressed as 10^-1.

Tags

CCSS.5.NBT.A.2

Front

What is the relationship between multiplying and dividing by powers of 10?

Back

Multiplying by a power of 10 increases the value by moving the decimal to the right, while dividing by a power of 10 decreases the value by moving the decimal to the left.

Tags

CCSS.5.NBT.A.2