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Interactive
Curated OER

Parallelograms

For Students 9th - 12th
In this online math worksheet, students practice finding the area of 10 parallelograms given the length and width. When complete, students submit their answers and get instant feedback regarding their accuracy.
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Lesson Plan
Curated OER

In the Path of the Ancients: Unearthing Formulas for Area

For Teachers 9th - 12th
Students apply the formulas for the area of parallelograms and triangles. Through guided practice, students discover the correct way to apply the formulas. Working in pairs, they write their own problems featuring the formulas.
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Lesson Plan
Curated OER

Area of Parallelograms

For Teachers 7th
Seventh graders review the process of finding the area of a rectangle and complete a couple of examples as a class. They discuss what a parallelogram is and what the formula would be for finding its area. They listen to an explanation...