Browse - High School (9-12)

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314 threads found:
  1. Formula for volume of cones/pyramids
    A physical demonstration of the fraction 1/3 in the volume formulas for cones and pyramids.
    - Date of thread's last activity: 20 January 2012

  2. Perpendicular Lines & Gradients
    An activity to help students discover the relationship between slopes of perpendicular lines.
    - Date of thread's last activity: 1 November 1998

  3. Probability
    Suggestions for teaching probability.
    - Date of thread's last activity: 30 October 1998

  4. Functional, life math skills for autistic teenager
    Math resources for autistic high school student with math difficulties.
    - Date of thread's last activity: 18 November 2007

  5. "Bottoms up" as a method to factor trinomials
    A method for factoring trinomials and why it works.
    - Date of thread's last activity: 17 March 2014

  6. Rigor
    What is rigor in math education? This offers a perspective on how much and what kind of rigor is appropriate.
    - Date of thread's last activity: 24 May 2006

  7. Foundations of Math - block schedule
    How to organize a 95-minute instructional block in a middle school math class.
    - Date of thread's last activity: 10 December 2007

  8. Manipulatives for square roots
    Helping students understand square roots visually when they're not dealing with perfect squares.
    - Date of thread's last activity: 4 December 2007

  9. Code breaking - History
    Including history when teaching encoding and decoding using matrices. Was the Enigma machine based on matrices or another encryption technique?
    - Date of thread's last activity: 20 January 2012

  10. Which algorithms should we still teach in high school?
    With technology available in classrooms, should we be teaching the square root algorithm? Cramer's rule? Descartes rule of signs?
    - Date of thread's last activity: 10 November 2006

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