Estimating the Difference of Decimals up to Two Decimal Places

Estimating the Difference of Decimals up to Two Decimal Places

Round decimals and estimate the difference. Compare the estimate to the precise difference in this activity.


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Putting It All Together

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

Otevřená otázka 1

When would you round a number with a decimal to the benchmark values shown on the number line above?

Textový a matematický vstup

Otevřená otázka 2

Why does rounding to these benchmark values make it easier to subtract decimals?

Textový a matematický vstup