Browse - Specific Math Concepts/Techniques

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221 threads found:
  1. Subtracting fractions with borrowing
    Focusing on the understanding of fractions, rather than "rules" when teaching subtraction of fractions with borrowing
    - Date of thread's last activity: 7 January 2007

  2. 17-gon with straight-edge and compass
    An explination of Gauss' construction of a heptakaidecagon (17-gon) using a ruler and a compas
    - Date of thread's last activity: 14 October 2009

  3. Distance from a point to a line.
    Derivation of formula for finding the distance from a point to a line, given the point and the equation of the line.
    - Date of thread's last activity: 5 April 2002

  4. Division
    An explanation of various types of division.
    - Date of thread's last activity: 22 January 2013

  5. Problem solving
    Help with providing full explanations of answers to word problems.
    - Date of thread's last activity: 3 December 2007

  6. Quadratics
    The origins of the word quadratic.
    - Date of thread's last activity: 2 December 2007

  7. A different way to subtract than normally taught
    Examples of ways to subtract numbers without using traditional "borrowing"
    - Date of thread's last activity: 12 February 2013

  8. Decimals, even numbers, fractions, and order
    Some ways to explain various properities of numbers to students
    - Date of thread's last activity: 2 November 1999

  9. Rounding off-Estimation
    Visualizations for helping students to understand rounding numbers
    - Date of thread's last activity: 16 October 2000

  10. Estimation
    The difference between methods for estimation: front-end, reasonableness, clustering, compatible numbers
    - Date of thread's last activity: 19 October 2009

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