median
don steward
mathematics teaching 10 ~ 16
Saturday, 10 December 2016
radiating expressions (3)
as with radiating expressions (2), one intention for using this task might be to establish routes from the centre to the outside
a longish expression can be formed from a journey
and students can be asked how this longish expression simplifies to give an appropriate (end of the branch) expression - by collecting like terms
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