[Maths-Education] Cryptic QAA problem.
Paul Ernest
P.Ernest@exeter.ac.uk
Thu, 2 Nov 2000 17:28:21 +0000 (GMT Standard Time)
Think of a number between 1-24. Call it X. Add 7. Double
it. Multiply by three. Add 200. subtract 98. Divide by 6.
Subtract X. What's the answer? Understand?
PS Thanks for helpful earlier replies!
Paul
PPS Consultancies considered!!
-----------------------------------------------------------------------
Paul Ernest Phone: +44-1392-264857
University of Exeter Secretary: +44-1392-264877
School of Education Fax: +44-1392-264736
Heavitree Road Email: p.ernest@ex.ac.uk
Exeter EX1 2LU, UK Web: http://www.ex.ac.uk/~PErnest/
The Philosophy of Mathematics Education Journal
No. 13 is now available at this website as is the
chapter "Why Teach Maths?" (cf. Guardian 3-10-00)