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Students get to practice measuring angles using built-in protractors in this fun geometry activity! After measuring, they&#39;ll put their angle knowledge to the test by classifying each angle as acute, obtuse, right, or straight.

Measure and Classify Angles

Let your fourth grader play triangle detective: can she spot the acute triangles on this worksheet?

Identifying Triangles: Acute Triangles

Turn your fourth grader into a geometry detective! How many degrees is each missing angle in these quadrilaterals?

The Missing Angle: Quadrilaterals

Help students learn how to use a protractor.

Protractor Practice

This colorful worksheet asks your fourth grade geometry detective to practice identifying right triangles.

Identifying Triangles: Right Triangles

Supplementary, Complementary, Vertical, and Adjacent Angles

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