As a class, we will decide on a central question to work on.
Make three smart guesses to answer the central question:
a guess too low, a guess too high, and a guess in the middle.
Place your guesses on the number line.
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WHILE WE'RE ON THE TOPIC...
How close was the actual solution to your estimate?
What would have helped you achieve a more accurate estimate?
Did you make any mistakes along the way?
How might you avoid such a mistake in the future?
Explain your work to someone else? Did s/he do the work differently?
Can you explain the process using the other person's methods?