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Is it a raindrop?

Author:Dave Van Leeuwen
A very simple graph that almost no one ever sees in math class.

New Resources

  • Segment Addition Postulate (Mild Questions)
  • Slope Illustrator (2)
  • 繪畫垂直線
  • Isosceles Right Triangle
  • Squaring a Rectangle (PST Version)

Discover Resources

  • Equation of line, parallel and perpendicular lines
  • Fractions as decimals
  • Algebraic Proof: Rewriting an equation
  • What's My Number?
  • Rolling a circle on a circle!

Discover Topics

  • Root
  • Indefinite Integral
  • Geometric Transformations
  • Poisson Distribution
  • Geometric Distribution
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