Write down the first mathematical question that comes to mind.
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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What tools might you need to solve the problem?
What strategies might you use?
Solve to answer the central question.
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?