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This interactive includes grids and tiles that move randomly across a grid. One challenge is to predict the square at the opposite edge of a grid upon which a tile will most likely land. It is interesting that such random movements when applied to many tiles produce dependable patterns.

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	Distributions Internet Resources Collecting and Graphing Data Bibliography Math Investigation Writing/Discussion Problems Describing and Analyzing Data Bibliography Math Investigation Writing/Discussion Problems Sampling, Predictions, and Simulations Bibliography Math Investigation Writing/Discussion Problems