Area of Complex Figures
Fifth graders use formulas for calculating areas of squares and rectangles to find area of complex figure, compare their own ideas with their classmates' ideas, and recognize that there are multiple methods for finding area of complex figure.
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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
New Review Surrounded and Covered
What effect does changing the perimeter have on the area of a figure? The five problems in the resource explore this question at various grade levels. Elementary problems focus on the perimeter of rectangles and irregular figures with...
K - 12th Math CCSS: Designed
Perimeter and Area of Complex Figures problem solving 18.4
In this finding perimeter and area of complex figures word problem worksheet, students read for information, divide the areas into two parts, use the formula for finding area, determine the area and the perimeter. Students answer ten...
4th - 6th Math