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.
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 the book "Numbers in Your Head" by John Spooner, published by BEAM Education. This book is out of print but can still be found on Amazon.
This problem has been adapted from the book "Numbers in Your Head" by John Spooner, published by BEAM Education. This book is out of print but can still be found on Amazon.
You may also like
Prompt Cards
These two group activities use mathematical reasoning - one is numerical, one geometric.
Consecutive Numbers
An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.
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.