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.
Putting It All Together
Answer these open ended questions on your own or with others to form deeper math connections.
Open-ended question 1
When would you round a number with a decimal to the benchmark values shown on the number line above?
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Open-ended question 2
Why does rounding to these benchmark values make it easier to subtract decimals?
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Prerequisite Resources
More from Estimating Decimal Sums and Differences
