In this angles activity, students analyze 15 angles and classify them as right, acute, or obtuse. There is an example at the top of the page.
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Supplementary, Complementary, and Vertical Angles
By using circles that they cut out and label themselves, learners literally "get a grip" on the angles they identify: supplementary, complementary, and vertical. They solve missing measurements based on properties of supplementary,...
4th - 6th Math CCSS: Adaptable
Angles, Degrees, Protractors . . . Oh My!
Fourth and fifth graders make a protractor and identify various angle types. In this protractor and angle lesson, learners make their own protractor and use it to measure a variety of angles. They complete worksheets while identifying...
4th - 5th Math CCSS: Adaptable