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Estimating Decimals sum
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> Estimating Decimals Sum < you are here
Example: 8.38 + 7.67 = Estimate the sum by rounding
each number to the nearest whole number and then
adding.
8.38 round to  8

6.67 rounds to 7
To estimate decimal sum, first round the numbers.
Then
add. When estimating decimal sum first decide what
rounding will take place.
8 . 3 8
___
15
7 . 6 7
_________
+
16 . 0 5
Example2: 3.83 + 5.96 = Estimate the sum by rounding
to the nearest tenth.
Exact number
Decimals estimation
Exact number
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Estimating sums