Squares, Diagonals, and Square Roots—Corner to Corner

This Squares, Diagonals, and Square Roots—Corner to Corner lesson plan also includes:

Take me out to the ball game, if we don't measure the diagonal, it's a shame. Pupils investigate the diagonals of squares using the measurements of a baseball field as an example in the first of two lessons. Hopefully, they'll realize that the diagonal is sqrt(2) times the side length.

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CCSS: Designed
Additional Tags

Instructional Ideas

  • If possible, take learners to an actual baseball field and have them measure the diagonal to compare with their predictions
Classroom Considerations

  • Familiarity with square roots is beneficial
  • Scholars should be able to measure lengths to a specified accuracy

  • Provides questions to use in discussion
  • Includes an activity sheet for the lesson

  • None
Common Core