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Nelson Education > School > Mathematics K-8 > Mathematics 6 > Student Centre > Surf for More Math > Chptr 4 Lssn 2

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Lesson 2 - Estimating Sums and Differences


Estimation Contraption - Estimate the sum before the time runs out.


Estimating Sums by Rounding - Estimate the sum between the two numbers.


Estimating Differences by Rounding - Estimate the difference between the two numbers.