Math Arguments

Problems, Questions, and Puzzles to spark discussion and argument in the maths classroom.

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Item 253

Lending $50



If I were to give you $50 we'd have the same amount. If you were to give me $50 I'd have 9 times as much as you. How much do we each have?


What other mathematical aspects of this caught your attention? What do you wonder about the situation?

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Notice, Wonder
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More Information:
Noticing and wondering is a tool to help students:
- Understand the story, the quantities, and the relationships in the problem.
- Understand what the problem is asking and what the answer will look like. Have some ideas to begin to solve the problem.
More Here at NCTM


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