Hot potato

19th April 1996 at 01:00
Recently found on an Ayrshire staffroom wall, headed: "The Evolution of Mathematics Education".

1960s: A peasant sells a bag of potatoes for Pounds 10. His costs amount to three-fifths of his selling price. What is his profit?

1970s: A farmer sells a bag of potatoes which he has produced for Pounds 6 i.e. three-fifths of his eventual selling price. What is his profit?

1970s (New Maths): A farmer exchanges a set of P potatoes with a set M of money. The cardinality of the set M is equal to Pounds 10, and each element of M is worth Pounds 1. Draw 10 big dots representing elements of M. The set C of product costs is comprised of 4 big dots less than the set M. Represent C as a subject of M and give the answer to the question: what is the cardinality of the set of profits?

1980s: A farmer sells a bag of potatoes for Pounds 10. His product costs are Pounds 6 and his profit is Pounds 4. Underline the word "potatoes" and discuss with your classmates.

1990s: A kapitalist pig unfjustlee akuires Pounds 4 on a sak of potatoze. Analiz this tekst and serch for erors in speling, gamar and punktuashon, and then expres your views regarding this method of geting ritch.

Subscribe to get access to the content on this page.

If you are already a Tes/ Tes Scotland subscriber please log in with your username or email address to get full access to our back issues, CPD library and membership plus page.

Not a subscriber? Find out more about our subscription offers.
Subscribe now
Existing subscriber?
Enter subscription number


The guide by your side – ensuring you are always up to date with the latest in education.

Get Tes magazine online and delivered to your door. Stay up to date with the latest research, teacher innovation and insight, plus classroom tips and techniques with a Tes magazine subscription.
With a Tes magazine subscription you get exclusive access to our CPD library. Including our New Teachers’ special for NQTS, Ed Tech, How to Get a Job, Trip Planner, Ed Biz Special and all Tes back issues.

Subscribe now