Monday, 20 May 2019
this is based on a picture by Michael Kidner 1917 ~ 2009 an intention is to show the picture and to ask students to analyse how the picture...
Monday, 29 April 2019
AQA problem solving questions
these (90) problems cover a range of topics and have been made available by the AQA exam board in England powerpoint solutions the ques...
Friday, 19 April 2019
probability history (2)
the 'problem of points' is usually identified as the birth of a proper study of probability this is a little harsh on Cardano, who ...
probability history (1)
the history of probability presents insights into the (genuine) problems that were faced and how they were overcome it shows people collab...
the first part of the presentation at the ATM/MA conference 2019 download the powerpoint for the animations to work my thanks to those w...
Thursday, 4 April 2019
dividing a number of coins in pairs of ratios
this idea is from Martin Wilson in Harrogate and is intended to be a variation of dividing in a ratio (sorry about the names, mine rather...
Saturday, 23 February 2019
given the lcm and hcf
reversing the question given the lcm and hcf of a pair of numbers what could they be? the powerpoint is here from an idea by David Wel...
lcm and hcf generalising
deducing the hcf and lcm of two numbers from their prime factorisations the powerpoint is here type 1 type 2
Wednesday, 20 February 2019
directed number addition and subtraction 2 (of 2)
the powerpoint is here with subtraction, viewed as a 'gap', you can always shift it along to a more convenient location on a numbe...
directed number addition and subtraction 1 (of 2)
the powerpoint is here uses directed numbers as vectors involving the start and end (like stations) and the journey these journeys can b...
directed number teaching four articles
four articles on the teaching of directed number (1) some history (2) three effective models (3) a 'vector'approach (4) furthe...
simultaneous equation generalising 6 (out of 6)
some reasonable ones.. involving a linear nth term powerpoint is here
simultaneous equations generalising 5 (out of 6)
three patterns powerpoint is here
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