Compatible Numbers for Division

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What are compatible numbers?

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Compatible numbers are numbers that are easy to compute with mentally. They are often rounded numbers that make calculations simpler.

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What is the purpose of estimating quotients?

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Estimating quotients helps to quickly determine an approximate answer without performing exact calculations.

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How do you round a number to the nearest ten?

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To round a number to the nearest ten, look at the digit in the ones place. If it is 5 or more, round up. If it is less than 5, round down.

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You should change the divisor 53 to 50.

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The result is 6.

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Why is it important to use compatible numbers in division?

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Using compatible numbers makes it easier to perform mental math and quickly estimate answers.

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What is the nearest ten for the divisor 76?

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The nearest ten for 76 is 80.

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How can you check if your estimation is reasonable?

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You can check if your estimation is reasonable by comparing it to the actual division result.