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Estimating Decimal Difference
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> Estimating Decimal Difference < you are here
To estimate decimal difference, first round the
numbers. Then
subtract. When estimating decimal difference first
decide what
rounding will take place.
Example: 8.32 - 7.67 = Estimate the difference by
rounding each number to the nearest tenth and then
subtract.
Estimated number
Exact number
Example2: 724 - 268 = Estimate the difference by
rounding each number to the nearest hundred and
then subtract.
Estimated number
Exact number
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