You may also like

problem icon

Prompt Cards

These two group activities use mathematical reasoning - one is numerical, one geometric.

problem icon

Exploring Wild & Wonderful Number Patterns

EWWNP means Exploring Wild and Wonderful Number Patterns Created by Yourself! Investigate what happens if we create number patterns using some simple rules.

problem icon

Worms

Place this "worm" on the 100 square and find the total of the four squares it covers. Keeping its head in the same place, what other totals can you make?

1, 2, 3 Magic Square

Age 7 to 11 Challenge Level:

Arrange three $1$s, three $2$s and three $3$s in this square so that every row, column and diagonal adds to the same total.

three by three grid

You might like to use this interactivity to do this problem.





You may like to try this with other sets of three consecutive numbers (numbers which come one after the other).



This problem has been adapted from "Numbers in Your Head" by John Spooner, published by BEAM Education. It can be purchased for £9.50 plus VAT (and handling and delivery) by calling the BEAM orderline on 01242 267 287.