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

In this lesson, we will learn how to measure and estimate capacity using customary units of capacity and how to use this skill to solve real-world problems.

Lesson Plan

Students will be able to

choose whether the cup, pint, quart, or gallon is the most appropriate unit to measure the capacity of an object,
estimate the capacity of objects,
determine which object is most likely to have a given capacity.

Lesson Worksheet

Q1:

Scarlett wants to measure the capacity of a bucket as accurately as she can. Should she measure its capacity to the nearest gallon, quart, pint, cup, or fluid ounce?

Q2:

Matthew showers for 10 minutes. Has he used about 80 cups or 150 gallons of water?

Q3:

Jacob wants to know how much water he uses when he takes a 10 minutes shower. Would it be most appropriate to measure the amount of water in fluid ounces, cups, or gallons?