Area of a Circle - ELL 20.7
Seventh graders use diagrams of three sizes of circles to solve each radius, diameter, and area. They solve ten problems.
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Solving Area Problems Using Scale Drawings
Calculate the areas of scale drawings until a more efficient method emerges. Pupils find the relationship between the scale factor of a scale drawing and the scale of the areas. They determine the scale of the areas is the square of the...
7th Math CCSS: Designed