Parallelogram Area
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Objective
I can calculate the area of parallelograms by composing rectangles.
Part 1 of 4
Warm-up video
Khan Academy · 5:42Vetted channel
We don't generate video — this one is by Khan Academy on YouTube. The practice questions and exit ticket below were drafted by AI for this objective, and every question is editable in the teacher guide.
Part 2 of 4
Key concepts
3 concepts
- 1
The area of a parallelogram can be found by multiplying the base by the height.
- 2
The height of a parallelogram is the perpendicular distance between the base and its opposite side.
- 3
A parallelogram can be divided into two congruent triangles, and its area is twice the area of one of these triangles.
Part 3 of 4
Practice
8 questions
What is the general formula for finding the area of a parallelogram?
The formula '1/2 × diagonal1 × diagonal2' works for finding the area of some quadrilaterals. Which of the following explains why it cannot be used for all parallelograms?
Part 4 of 4
Exit ticket
Quick comprehension check
“A parallelogram has a base of 8 cm and a height of 4 cm. What is the area of the parallelogram?”
Sample answer included in the free materials
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