Exploring Diagonals and the Pythagorean Theorem—Corner to Corner

This Exploring Diagonals and the Pythagorean Theorem—Corner to Corner lesson plan also includes:

New Review

Pythagoras sure was a smart man. Learners explore diagonals of rectangles by measuring a few of them with a ruler in the second and final installment of a two-part series. Based on the results, they try to come up with a relationship between the diagonals and the side lengths of a rectangle. Correct answer: The Pythagorean Theorem.

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CCSS: Designed
Instructional Ideas

  • Review square roots before the activity
Classroom Considerations

  • Pupils should have familiarity with squares and square roots
  • Builds on knowledge from the previous lesson 
Pros

  • Provides some activity sheets for the lesson
  • Gives detailed instructions for each part of the activity
Cons

  • None
Common Core