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Nelson Education > School > Mathematics K-8 > Mathematics 5 > Student Centre > Surf for More Math > Chapter 4 Lesson 2
 

Surf For More Math

Lesson 2 - Estimating Sums and Differences

 

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

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

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

 

 

 

 

 

 

 

 

 

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