Copyright © University of Cambridge. All rights reserved.

'Partial Magic' printed from

Show menu

See all short problems arranged by curriculum topic in the short problems collection

In a magic square, each row, each column and both main diagonals have the same total. In the partially completed magic square shown, what number should replace x?


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.