Strive to think outside of the quadrilateral parallelogram. Worksheet includes two problems applying prior knowledge of area and perimeter to parallelograms and trapezoids. The focus is on finding and utilizing the proper formula and knowing how to convert from one formula to another.

Concepts

area, area formulas, perimeter, perimeter of polygons, area of polygons, area of trapezoids, trapezoids, area of parallelograms, parallelograms

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Additional Tags

math

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Instructional Ideas

• Create a video review or find one on Khan Academy that can be quickly given out to those pupils who need a review after turning in their paper
• Have tactile shapes available to show the height of the two triangles is indeed equal when forming the parallelogram

Classroom Considerations

• Requires prior knowledge of perimeter

Pros

• Includes a rubric for consistency of grading
• Provides many sample solutions and the proper way to evaluate and interpret the concepts that need more practice

Cons

• None

Common Core

HSA-CED.A.4 MP4 MP6