median
don steward
mathematics teaching 10 ~ 16

Showing posts with label ratio transitivity. Show all posts
Showing posts with label ratio transitivity. Show all posts

Wednesday, 6 February 2019

ratio transitivity 2

a powerpoint is here















ratio transitivity 1

given a : b and b : c find a : c

starting from a diagram/approach suggested by John Mason in his 2015 presentation (Auckland NZ, 'being rational about fractions') presentation list

the powerpoint is here