Right angles are everywhere! They're on your stairs, on the tiles of your floor, the corners of your ceiling. Everywhere you look you'll find a right angle. Third grade mathematicians began studying geometry today. They used straws and glue to create quadrilaterals with different numbers of right angles. Ask your third grader how many right angles they could not create in a quadrilateral.
Click here to see third graders at work.
Thursday, May 3, 2012
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