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Area of Trapezoids, Parallelograms, and Rhombi

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Area of Trapezoids, Parallelograms, and Rhombi: page 1 of a printable Grade 7 Math worksheet
Grade 7 Math · Area of Triangles, Parallelograms and Trapezoids

Area of Trapezoids, Parallelograms, and Rhombi

Area worksheet for Grade 7: find the area of two trapezoids, two parallelograms and two rhombi from their bases and heights. With an answer key.

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Area of Trapezoids, Parallelograms and RhombiA teaching handout to hand out before this sheet: the rule, worked examples and common mistakes.
Pages
1
Last updated
Time
About 15 minutes
Answer key
Included
Printing
Black and white
Related curriculum

Find the area of parallelograms, triangles and trapezoids by cutting and moving parts to make rectangles, then with their formulas, and find the area of shapes made of these.

Curriculum names are used only to describe the topics a worksheet covers. Stepsies is independent and is not affiliated with, endorsed by or approved by any ministry, agency or school board. Check the official curriculum documents for what is required.

Reviewed by Mr. Daniel Carter, Teacher. How we check worksheets

How to use this sheet

  • Have the child mark the base and the height of each shape before using a formula.
  • Show why a triangle is half a rectangle by drawing the rectangle around it.
  • For composite figures, have the child split the shape and label each part with its area.

Common mistakes

  • Using a slanted side as the height. The height is straight up from the base, at a right angle.
  • Forgetting to halve for a triangle, so the area is base × height.
  • For a trapezoid, using only one base. Add the two parallel sides, then halve and multiply by the height.

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