An angle is measured with reference to a circle with its center at the common endpoint of the rays, by considering the fraction of the circular arc between the points where the two rays intersect the circle. An angle that turns through 1/360 of a circle is called a “one-degree angle,” and can be used to measure angles.

Geometric Angles Lesson Plan: What’s the Measure on that Angle?

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In this lesson plan, which is adaptable for grades 3 through 5, students use BrainPOP resources to use and apply vocabulary associated with geometric angles. Students will identify examples of differe...

Math Skills Lesson Plan: It’s All Fun and Games

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In this math skills lesson plan, which is adaptable for grades 3-12, students work collaboratively to research selected math skills. Students then create, play, and assess a math game that is designed...