Math Arguments

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

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Item 16

Circles 2

A slightly different question about tangential circles and the spaces in between.




Compare this question to the following, from the 2004 SAT Practice Test:





  • Which question seems harder? What are the difficult aspects of each?

  • Do we have to specify the angle APB?

  • How are these two questions different in terms of the knowledge they require for solving?

  • Is this question made harder by the "how many times" part? Does that phrasing make the question unnatural?


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Comparisons
Emma Bell
GEOM

Source: Emma Bell
Emma Bell and ETS, 2004
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