median
don steward
mathematics teaching 10 ~ 16

Thursday, 23 April 2015

ratio Venn diagrams

the idea for this task is from one of John Mason's presentations e.g. in Vancouver 2014
(see the workshop resources on his website)


prove that 1 : 5 is impossible
prove that there is only one way for 4 : 5
prove that 1 : 6 is impossible
John Mason's extension task

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