Estimating Sums


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More Lessons for Grade 3
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Examples, solutions, and videos to teach Grade 3 students how to estimate sums by rounding and by compatible numbers.

Rounding to Estimate Sums

Estimate Sums
How to estimate sums, by using “Compatible” numbers, and by Rounding?




Estimating Addition and Subtraction Problems
This video explains how to round whole numbers to estimate addition and subtraction problems.

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Fraction Concoction Game



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