Copyright © University of Cambridge. All rights reserved.

'Weekly Problem 44 - 2011' printed from http://nrich.maths.org/

Show menu


A 4 by 4 "anti-magic square" is an arrangement of the numbers 1 to 16 inclusive in a square, so that the totals of each of the four rows and four columns and two main diagonals are ten consecutive numbers in some order. The diagram shows an incomplete magic square. Can you complete it?

Use the interactivity below

This text is usually replaced by the Flash movie.

 

If you liked this problem, here is an NRICH task which challenges you to use similar mathematical ideas.

This problem is taken from the UKMT Mathematical Challenges.

View the previous week's solution
View the current weekly problem