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GeoGebraClasse GeoGebra

Estimating Products of 2-digit Numbers

Find a pair of numbers that multiply as close as possible to a target value. Discover compatible number strategies to estimate products.

Tâche 1

Putting It All Together

Answer these open ended questions on your own or with others to form deeper math connections.

Tâche 2

How did you pick which numbers to choose?

Tâche 3

When would someone want to round numbers in estimating multiplication? When would they not need to round?