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Lesson Plan

Discover angle measurement by using circles

teaches Common Core State Standards CCSS.Math.Content.4.MD.C.5a
teaches Common Core State Standards CCSS.Math.Content.4.MD.C.5
teaches Common Core State Standards CCSS.Math.Practice.MP3
teaches Common Core State Standards CCSS.Math.Practice.MP6
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Big Ideas: Angles are measured with reference to a circle. Angles are measured in units called degrees. A full circle has 360 degrees. A half circle has 180 degrees This lesson will build on students' knowledge of right, acute, obtuse and straight angles to introduce the concept of angle measurement using a circle. Students will explore the idea that angles are measured in degrees, that a full circle is comprised of 360 degrees, and a half circle is 180 degrees. Vocabulary: degree, circle, turn
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