median
don steward
mathematics teaching 10 ~ 16
Sunday, 22 March 2015
the stories of 6
what is the story of
6
?
what has happened to it?
how do you undo this process?
this says that
6
=
say it,
then try to write it as an expression involving numbers
thanks to John Mason ( e.g. PM649 Supporting Primary Mathematics 1990)
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