Triangle Angles Add Up to 180

Name: Triangle Angles Add Up to 180
Author: Insta~Lesson

4th Grade · Math · 45 min· 5.mg.3 The Student Will Classify And Measure Angles And Triangles, And Solve Problems, Including Those In Context.

Lesson Preview

I can prove that the angles inside a triangle add up to 180° using models and find a missing angle in a triangle.

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