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median
don steward
mathematics teaching 10 ~ 16

Showing posts with label pmp. Show all posts
Showing posts with label pmp. Show all posts

Saturday, 28 March 2020

Thursday, 15 March 2018

arithmetic practice makes perfect

a ppt is here

connected results, opportunities for spin-off






Thursday, 12 October 2017

Thursday, 24 August 2017

small data set average problems

reversing the question: given details of the averages and spread
can a data set (or several) be found?

intended to be tackled by trial and improvement
possibly later involving algebra

a powerpoint with some worked examples is here