Rounding and estimating with measurements

First in this lesson, we round measurements and find the rounding error (the difference between the original and the rounded result).

Then we add and subtract measurements, rounding the the final result. For this purpose, we also have to convert some of the measurement units (m, cm, km). Lastly, I show how to use estimation in some word problems.

See also

Fractions are divisions

Math Mammoth Grade 5 curriculum

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