Grade 1 · Math · Lesson 24

Comparing Weights and Volumes

Some things are heavy and some things are light. Some containers hold a lot of water and some hold only a little. We can compare and use special words to describe what we find!

What this lesson teaches

1Decide which object is heavier or lighter by thinking about a balance scale
2Decide which container holds more or holds less liquid
3Use the words heavier, lighter, holds more, and holds less correctly
4Know the everyday weight units (ounces, pounds, grams, kilograms) and volume units (cups, quarts, gallons, milliliters, liters)

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