Decimals - Intro

Front

What is a decimal?

Back

A decimal is a number that includes a decimal point, which separates the whole number part from the fractional part.

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CCSS.2.MD.B.6

Front

How do you multiply a decimal by 10?

Back

To multiply a decimal by 10, move the decimal point one place to the right.

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CCSS.5.NBT.B.7

Front

How do you divide a decimal by 10?

Back

To divide a decimal by 10, move the decimal point one place to the left.

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CCSS.5.NBT.B.7

Front

What is the value of the digit in the tenths place in the number 3.45?

Back

The value of the digit in the tenths place (4) is 0.4.

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CCSS.5.NBT.A.3A

Front

What is the value of the digit in the hundredths place in the number 0.678?

Back

The value of the digit in the hundredths place (7) is 0.07.

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CCSS.5.NBT.A.3A

Front

How do you compare two decimals?

Back

To compare two decimals, look at the digits from left to right until you find a difference.

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CCSS.4.NF.C.7

Front

What is the value of the 5 in 5.678?

Back

The value of the 5 is 5, as it is in the whole number part.

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CCSS.5.NBT.A.3A

Front

What happens to a decimal when you multiply it by 100?

Back

When you multiply a decimal by 100, move the decimal point two places to the right.

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CCSS.5.NBT.A.2

Front

What is the value of the 2 in 12.345?

Back

The value of the 2 is 2, as it is in the tens place.

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CCSS.5.NBT.A.3A

Front

How do you round the decimal 4.567 to the nearest whole number?

Back

4.567 rounded to the nearest whole number is 5.

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CCSS.5.NBT.A.4