Two Highlights and a Lowlight of Quadratics, 2012-13

  • Highlight: Having students use arms to form the shape of a parabola. Engaging large muscle groups in class gets a little extra blood flowing and promotes retention–I don’t do it as much as I’d like. One student turned the “arms parabola” into a dance move to go along with her hit new song, “I’m a Parabola!” When we got into graphing quadratics in standard form, a student stood in front of a projected Cartesian plane and others instructed him how to position himself and his arms to represent the function.
  • Highlight: The quadratic formula song.
  • Lowlight: Major struggles with simplifying the quadratic formula once they had all the values in the right places.

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