Math Is Fun Forum

  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

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#1 Re: This is Cool » Whyslopes Website » 2006-11-15 15:23:47

In fall 1983, I invented or gave three lessons (three skills for algebra, why slopes - a calculus preview, and logic - one versus two way implications).  The lessons worked in class, and I used them repeatedly.  I started writing in 1991 with the aim of reporting ideas through channels. But channels were closed, and I put online a dozen webpages in summer 1995. Kind website reviews in 1996, spring, led to more and more writing. Enjoy.

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