Grade 4 Math: Measurement

U.S. Customary Units of Length and Weight

In this lesson, students begin to learn about the U. S. Customary System of measurement. They learn the definition of three units of length: the inch, the foot, and the yard. A foot is equal to 12 inches. A yard is equal to 3 feet.

They also learn the definition of two units of weight: the ounce and the pound. A pound is equal to 16 ounces.

Measures of Capacity

In this lesson, students learn the definition of five measures of liquid capacity: 1) the fluid ounce, 2) the cup, 3) the pint, 4) the quart, and 5) the gallon. A cup is equal to 8 fluid ounces. A pint is equal to 2 cups. A quart is equal to two pints. A gallon is equal to four quarts.

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