IXL | Estimate differences by rounding: up to 1,000 | 3rd grade math

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Estimate the difference by rounding each number to the nearest ten and then subtracting.

81 − 26

The difference is approximately .

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Work it out

Not feeling ready yet? These can help:

C.2Round to the nearest ten or hundred

H.6Subtract numbers up to three digits

D.1Estimate sums by rounding: up to 1,000

Lesson: Rounding numbers