median
don steward
mathematics teaching 10 ~ 16

Wednesday 2 February 2011

reptiles or sprugles

students copy and draw enlarged versions of these shapes (anywhere), scale factor 2

try to fill the enlarged version with the original shapes
how many are needed?

do the same thing, enlarging the shapes with scale factor 3

the name 'reptiles' seems to have been introduced by Solomon Golomb












what happens to the lengths?
what happens to the areas?
why?














reptiles on isometric paper:

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