Diagonally Half of Me!

Cut straight to the proof. Given cutouts of different quadrilaterals, pupils draw diagonals. Learners cut up the figures along the diagonals to see whether they bisect each other. Scholars develop a geometric proof for the property they discovered.

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CCSS: Designed
Instructional Ideas

  • Brainstorm whether there may be other figures with diagonals that bisect each other
Classroom Considerations

  • Individuals need scissors and colored markers
  • Copy and cut out quadrilaterals for each class member

  • The kinesthetic activity is directly connected to the proof
  • Includes a scaffolded proof if needed

  • None
Common Core