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All the Way Around a Circle: An Angle Lesson

Amanda L. Cullen, Carrie A. Lawton, Crystal S. Patterson, and Craig J. Cullen

In this lesson, third graders were asked how many degrees is a full rotation around a circle. After we gave students time and space to disagree, to make and test conjectures, and to explore, they reasoned about angle as turn and determined a full rotation is 360 degrees.

Journal Article

Cover Mathematics Teacher: Learning and Teaching PK-12

In Mathematics Teacher: Learning and Teaching PK-12 Volume 113 (2020): Issue 8 (Aug 2020)