Inside spring calipers for measuring the inside dimensions of hollow or open objects.
"A pile of wood 1 ft. long, 4 ft. wide, and 4 ft. high, or 1/8 of a cord, is called a cord foot. Find…
Spring dividers used to compare lengths or transfer measurements from one location to another, as when…
A girl is measuring the chalkboard using a yardstick. There are conversions written on the board.
A boy doing math homework with help from his father and a meter stick. His mother helps his younger…
Illustration of a child with 8 quarts and 1 peck. He is using the baskets to practice measuring. It…
Visualizing measurement with different containers that hold one pint and one quart.