don steward
mathematics teaching 10 ~ 16

Sunday, 6 March 2016

proper proportions

similar to an ICCAMS task

KS3 SAT question 2008

an OCR specimen question for the new GCSE, adapted

question used by Piaget and then by K Hart (1981) CSMS
used in the CSMS test, also explored further by M Brown, D Kuchemann and J Hodgen (2010)

based on the 'Mr Tall and Mr Short' work of R Karplus, E Karplus, M Formisano and A Paulson (1978)

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