If you have The Geometer's Sketchpad, you can download and experiment with an interactive version of Pascal's Triangle (401K) that will show some of the patterns.
Interactive Number Sets: The Geometer's Sketchpad
You can also download a sketch that illustrates Sierpinski's Triangle and Multiples of Threes (385K)
and a sketch that illustrates Hexagonal, Tetrahedral, and Pentatope Numbers (389K).
If you don't have the Geometer's Sketchpad, you may download a demo version from the Math Forum.
[Pascal Web Unit]
[Web Links] [Lessons] [Standards]
[Teacher Reference] [Number Patterns]
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