All of the following are math materials except

A. two-dimensional cutouts.
B. wipe-off folders.
C. paper and pencil.
D. sand and clay.

b. is my answer

4 answers

Exactly what is meant by "math materials"?
I don't know. That was the question in the exam.
To me, all those things could be used in learning/teaching math. There should have been some kind of reference to "math materials" in your text for such a question to be asked in an exam.
I fond one that is not a math materials. and my answer was d.