Pythagorean Theorem and Proof

By Susan LoFranco on Apr 24, 2017

  • Student will be able to use the Pythagorean Theorem to perform a proof


Pythagorean Theorem worksheetCube Worksheet















  • Review Vocabulary: Pythagorean Theorem, proof, converse, right triangle, hpyotenuse, 
  • Review with the student the Pythagorean Theorem - Given a right triangle, the square of the hypotenuse is equal to the sums of the squares of the two sides or a2 + b2 = c2Screenshot of Pythagorean Theorem
  • Watch and listen to the YouTube Video "The Best Pythagorean Rap Ever"
  • Review with the student the Pythagorean Worksheet and Cubes. 
  • The student will use the Right Triangle on the Pythagorean Worksheet and the cubes along with their knowledge of their knowledge of the Pythagorean Theorem to prove it. 
  • Once the student has completed the proof of the Pythagorean Theorem, using the student's media of choice, the student should write an explanation of the proof.  
  • Other fun proofs can be found at


Pythagorean Theorem collage