Lesson: Estimating Length: Customary Units Mathematics • 4th Grade

In this lesson, we will learn how to estimate the lengths of different real-life objects by choosing the most logical unit of length and value in customary units.

Sample Question Videos

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Lesson Worksheet

Q1:

Which of the following heights could be the cruising altitude for an airliner?

Q2:

Choose an appropriate unit for measuring the width of the Atlantic Ocean.

Q3:

Which is a more reasonable estimate for the length of a bedroom: 1 rod or 4 rods?