Math Arguments
Problems, Questions, and Puzzles to spark discussion and argument in the maths classroom.
Two Triangles
We have this "hard" SAT question:
In the figure above, if AB = 4, BC = 24, and AD = 26, then CD = ?
How could we redraw this to make it simpler to see and understand the solution?
What other mathematical aspects of this caught your attention? What do you wonder about the situation?
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Source:
internet
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
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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