median
don steward
mathematics teaching 10 ~ 16

Sunday 4 January 2015

transformational spiders

such tasks as these aim to emphasise the transformational aspects of the subject

in particular, it can be most helpful for a student to appreciate that multiplying and dividing have a different effect on an expression than adding or subtracting









more than one solution for the missing two operations can be found for spider (v)

and these can be related

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