Unit 4, Lesson 9, Grade 4 icon
Unit 4, Lesson 9

Decompose angles using pattern blocks

EngageNY 60 min(s)

In this lesson, students use pattern blocks to determine the angle of an equilateral triangle, verify the angle with a protractor. Then, students determine unknown angles with pattern blocks and verify measurement with a protractor. Students repeat this process using other pattern blocks.

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