don steward
mathematics teaching 10 ~ 16

Sunday, 1 March 2015

what's the question?

I very much like this idea
it is, I think, a fine example of how reversing the question can often lead to a more challenging task

I gather that the idea originates from an article by Alan Bell in Maths Teaching 118
(thanks to Jo Morgan for passing on the information from Mary Pardoe)

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