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.
Uppgift 1
Putting It All Together
Answer these open ended questions on your own or with others to form deeper math connections.
Uppgift 2
When would you round a number with a decimal to the benchmark values shown on the number line above?
Uppgift 3
Why does rounding to these benchmark values make it easier to subtract decimals?