Grade 1 · Math · Lesson 20

Comparing Length and Height

Before we can measure anything, we first need to compare — is one thing bigger, smaller, or the same as another? The words we use depend on how we look at the objects!

What this lesson teaches

1Compare the length and height of two objects
2Use the words shorter, taller, longer, and same to describe the comparison
3Line up objects at the same edge before comparing

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