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Naming Angles and Adding & Subtracting Angle Measures

Grade Levels
Resource Type
Common Core Standards
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1 rating
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5 MB
Product Description
Students learn to recognize angles by name, and to draw and measure and then name the angles they’ve measured. They draw clusters of angles with different orientations, and calculate the measurements from known measurements without using the protractor. They add on angles of a given measure to existing angles, and separate a given angle within a larger angle.

Students also learn to systematically name and measure all angles within a cluster as depicted in the illustration. My "Introduction to Angle Measure" is a good precursor to this activity, as students need to have mastered measuring and drawing angles before attempting this.

Common Core Standards:

4.MD.6: “Measure angles in whole-number degrees using a protractor. Sketch angles of specified measure.

4.MD.7: “Recognize angle measure as additive. When an angle is decomposed into non-overlapping parts, the angle measure of the whole is the sum of the angle measures of the parts…”

Subject: Math, Geometry, Angle measure

Level: Grades 4 - 5

Length/Duration: 12 pages of student work, 2-3 days
Total Pages
Answer Key
Teaching Duration
3 days
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