continental divide – (This article was f


continental divide – (This article was first published on R – Xi’an’s Og, and kindly contributed to R-bloggers) While the Riddler puzzle this week was anticlimactic,  as it meant filling all digits in the above division towards a null remainder, it came as an interesting illustration of how different division is taught in the US versus France: when I saw the picture above, I had to go and check an American primary school on-line introduction to division, since the way I… http://ow.ly/X4xG50bAuW2

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