Curated OER
Customary Capacity
Third graders convert customary units of capacity to make a gallon man out of construction paper. They use the computer to make a tree map of gallons, quarts, pints, and cups to show these conversions.
University of Houston
University of Houston: Measurement Teacher Activities: Capacity Lessons
This lesson plan offers opportunities for students to gain experience working with cups, pints, quarts and gallons. It also provides many resources to use with students.