Scholars can use area formulas, but can they apply what they know about area? The lesson challenges learners to think logically while practicing finding area of shapes such as rectangles, circles, parallelograms, triangles, and other polygons. 

Concepts

area formulas, area of circles, area of parallelograms, area of rectangles, area of squares, area of trapezoids, area of triangles, area of polygons

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Additional Tags

math

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Instructional Ideas

• Supplement with coordinate geometry to incorporate the distance formula
• Encourage learners to find similarities within formulas

Classroom Considerations

• Assumes a basic understanding of finding area of geometric figures; supplement a review if necessary
• The 13th lesson in a 16-part series

Pros

• Examples target a high level of thinking

Cons

• Practice problems do not represent the higher level of difficulty in the examples

Common Core

HSG-GPE.B.7