First day of probability! We are starting with sample space: lists, tables, tree diagrams. Last year I started with notes and told the kids step by step how to create an organized list or tree diagram to show the sample space.
This year we started with a problem: a new store is releasing a new mp3 player that comes in 3 shapes, 3 colors, and 2 sizes. I asked the students to tell me how many different mp3 players will need to be order and show me all the possibilities but didn’t give them any indication of how I wanted them to do this.
Here are some of their answers:
Wow- I was impressed. Loved that I could see their thinking and that they were sharing strategies and ideas. Lesson learned. I need to do a lot less teaching and a lot more listening.
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