I wrote on my smart board: How many cups does it take to reach my height? Then I asked students to generate a list of questions they wanted me to answer. They came up with:
- How tall am I?
- What type of cup are we using? (When they asked this, I gave them two styrofoam cups but they weren't allowed to touch them yet)
- How are we going to stack them?
Next, I had them make an estimate for the amount of cups needed and I recorded their guess on the board.
Then, I had them solve the problem and write their strategy on their personal whiteboards. I gave them 10 minutes.
I had them present their solutions to the class. Some wrote equations, others guess and checked, some made a table for the pattern.
Finally, we actually stacked cups to me. This lesson took roughly 39 minutes.
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