Scholars learn how to determine the area of compound shapes by finding the areas of the basic shapes that make it up. Pupils find the areas by adding areas together or subtracting them.

Concepts

area, area formulas, area of rectangles, area of squares, area of triangles, compound shapes

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Additional Tags

math

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Instructional Ideas

• Create compound areas that can be found by either subtracting or adding areas
• Have the class watch the video as homework and do the problems in class

Classroom Considerations

• Pupils should know how to calculate the area of rectangles and triangles

Pros

• Includes calculated measurements in the answer key
• Shows how compound shapes can be split into basic shapes

Cons

• One of the shapes in the video is impossible using the lengths given

Common Core

6.G.A.1 7.G.B.6 MP1 MP6