What this lesson teaches
Pythagorean theorem.
Math in Action
Can you finish pythagoras square proof in about 35 min?
Pythagoras Square Proof
You will pythagorean theorem.
Duration35 min
Age GroupAges 12–14
DifficultyIntermediate
SubjectMath
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What you need
How the activity runs
The learning connection
A visual, dissection proof of Pythagoras's theorem creates understanding of WHY the theorem is true — not just that it is. Students who understand the proof are significantly more flexible in applying the theorem to non-standard right-triangle situations.
Try it with your learner
1. Draw right triangle. 2. Draw square on each side. 3. Cut squares. 4. Show a2+b2=c2.