don steward
mathematics teaching 10 ~ 16

Tuesday, 12 February 2013

fractions to recurring decimals

a fine opportunity to do some long division
see also the posting on Puntmat relating to this topic

using a picture that was on Puntmat:
(from Wikimedia)

how can you tell what number the sevenths start with?

 from Math less traveled

 from Math Less Traveled

YouTube video: 998,001 Numberphile
introduced by Dr James Grime

where did the 8 go?

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