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Published byFrederick Moody Modified over 5 years ago

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Dividing by Decimals

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Dividing decimals is a lot like dividing by a whole number. There is just one thing you need to remember before dividing: You have to make the number outside the house (divisor) a whole number (A number without a decimal).

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It’s simple, move the decimal to the right until it is at the end of the number. Here’s the problem: 1.1 ) 6.3

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Move the decimal to the right until you are at the end of the number. In this case, we only had to move it once. 1.1 ) 6.3 Since we moved the decimal on the divisor (# outside the house) we HAVE TO move the decimal in the dividend the same number of times. In this case it would also be one time.

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Our new problem becomes: 11. ) 63. 11 ) 63 Or

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11 ) 63 Now we just divide like we always do:

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What happens if we have a decimal in the divisor and not the dividend? 2.14 ) 797

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Just remember, the dividend is a whole number so there is a decimal at the end of the dividend that is not there. 2.14 ) 797. The decimal would go here since the number is whole. You would still have to move it two places to the right. Is really…

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You try this one: 3.4 ) 30.6

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You try this one:.26 ) 3.38

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You try this one: 2.5 ) 400

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You try this one: 3.21 ) 5.136

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