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Second graders view a PowerPoint presentation on Identifying Polygons by their number of sides and their individual properties. They separate polygon tiles into groups by their attributes.
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Properties of Polygons, Parallel Sides, and Right Angles
Have fun with shapes! Third graders read a set of instructions and circle the shape in the description. They work on recognizing parallel sides and right sides. Use this resource as homework after your geometry lesson.
2nd - 4th Math CCSS: Designed
Find the Perimeter of a Polygon with More Than 4 Sides
Perimeter moves beyond squares and rectangles in a lesson on irregular-shaped polygons. The lesson focuses on the strategy of counting and then adding side lengths. Several examples are slowly walked through, giving learners plenty of...
5 mins 2nd - 4th Math CCSS: Designed
Find the Area of a Polygon Using Multiplication
Use prior experience with the array model of multiplication to teach young mathematicians how to find the area of rectangles in the first video of this four-part series. Multiple examples are presented that clearly demonstrate this...
3 mins 2nd - 4th Math CCSS: Designed