This Find the Area of a Right Triangle video also includes:
Help your class develop a greater understanding of the area of a right triangle. The video starts by reviewing the area of a rectangle and noting that the rectangle is made up of two congruent triangles. Learners are then shown that in order to find the area of a right triangle, you must first find the area of the rectangle created by the original triangle and a congruent triangle. Included in this activity are a lesson commentary and a guided practice.
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CCSS:
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Classroom Considerations
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Pros
- Learners develop a greater understanding of the area of a right triangle which is one-half the area of a rectangle
- Video comes with additional commentary and a guided practice.
Cons
- Possible review needed on vocabulary such as compose and congruent
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