Winter Congruent and Symmetrical Shapes
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Third graders examine congruency and symmetry by creating a symmetrical tree that is decorated with congruent ornaments.
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Area and Perimeter of Regular and Irregular Polygons
Extend young mathematicians' understanding of area with a geometry lesson on trapezoids. Building on their prior knowledge of rectangles and triangles, students learn how to calculate the area of trapezoids and other irregular...
3rd - 6th Math CCSS: Adaptable