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Published byRolf Richardson Modified over 9 years ago
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10’s 100’s and 1,000 th ’s place!
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Rounding makes numbers that are easier to work with in your head. Rounded numbers are only approximate. An exact answer generally can not be obtained using rounded numbers. Use rounding to get a answer that is close but that does not have to be exact.
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Make the numbers that end in 1 through 4 into the next lower number that ends in 0. For example 74 rounded to the nearest ten would be 70. Make the numbers that end in a digit of 5 or more rounded up to the next even ten. For example the number 88 rounded to the nearest ten would be 90.
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To round numbers to the nearest hundred, make the numbers that end in 1 through 49 into the next lower number that ends in 00. For example 424 rounded to the nearest hundred would be 400. Numbers that have the last two digits of 50 or more should be rounded up to the next even hundred. For example the number 988 rounded to the nearest hundred would be 1000.
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Complete the power point by: Explaining how round to the nearest 1,000 th place Give example how to do it Explain how to use rounding with decimals Give examples of how to do it Give any other advice to fellow students about rounding and or decimals
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