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2007 Materials Development Institute

These were pulled from the Preparatory Activities discussions. They are not in any particular order. The numbers were added just for easy reference. We hope to add/edit this list:

What do you think are the big ideas and concepts of middle school probability?

1. randomness (are sequential numbers more or less random than non-sequential)
2. counting principles, sample spaces and the choices we have in representing outcomes
3. empirical/experimental vs. theoretical probabilities
       sampling
       simulations
4. simple multi-step outcomes
5. organizing data (trees, Pascal's triangle, charts, tables, area models)
       construct visual model
       graphs/visual depictions with multiple interpretations/creating depiction to justify stance
6. distributions
7. make decisions/predictions/models
       some of life's decisions can be based on probability
8. expected value
9. move between ratios, proportions, decimals and percents when representing probabilities
10. fairness
11. vocabulary, precision of language, intuition, and misconceptions