Wolfram Demonstrations Project

Practice measuring with a protractor. Adjust the angle manually or click the button to generate a random angle for practice. Choose from a 180° or 360° protractor. Switch between the inside and outside angles.

Contributed by: Abby Brown
Suggested by: Victor Fan

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Angle (Wolfram MathWorld)

Protractor (Wolfram MathWorld)

"Protractor Practice" from the Wolfram Demonstrations Project
http://demonstrations.wolfram.com/ProtractorPractice/

Contributed by: Abby Brown

Suggested by: Victor Fan

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Related Curriculum Standards

Common Core State Standards for Mathematics

4.MD.C.6

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Protractor Practice

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