Decimals

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What is a decimal?

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A decimal is a fraction expressed in a special form. It uses a decimal point to separate the whole number part from the fractional part.

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How do you multiply a decimal by a whole number?

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To multiply a decimal by a whole number, multiply as if there were no decimal point, then place the decimal point in the product based on the number of decimal places in the original decimal.

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

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Look at the digit to the right of the whole number. If it's 5 or more, round up. If it's less than 5, round down.

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What is the decimal form of 'thirty-two hundredths'?

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How do you subtract a decimal from a whole number?

Back

Align the decimal points and subtract as you would with whole numbers, borrowing if necessary.

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