Arithmagons

Stage: 3 Challenge Level: Challenge Level:2 Challenge Level:2

Check you understand how the values of the circles determine the values of the squares:

This text is usually replaced by the Flash movie.

Full Size Version

I:n the triangles below, can you find the values of the circles?
This text is usually replaced by the Flash movie.


Look carefully at your answers. What do you notice?
Choose some other values to put in the squares and complete the arithmagons.
Is it always possible to complete them? Do you always get single solutions?
Can youdevise a strategy to work out the value of the circles when you are given anyvalues in the squares?
Describe and explain what you have discovered.
Can it help you complete the following?
This text is usually replaced by the Flash movie.

Full Size Version


A poster of this resource is available here.

search engine page

Published March 2005,April 2005.