Thinking about how to use this with 5th graders. First a conjecture: The quotient has to be greater than 30. Why do I think that?
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ProfSmudge
Can you think of some formal and informal ways of solving this task?
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You have 13 piles of items.
There are 42 items in each pile.
Could you arrange the items in 14 equal piles?
How many would there be in each pile?