You may also like

Tangrams

Can you make five differently sized squares from the interactive tangram pieces?

Geoboards

This practical challenge invites you to investigate the different squares you can make on a square geoboard or pegboard.

Polydron

This activity investigates how you might make squares and pentominoes from Polydron.

Square Corners

Age 7 to 11 Challenge Level:

On each of these grids the counters lie at the four corners of a square:

        

What is the greatest number of counters you can place on the grid without four of them lying at the corners of a square?
 

You might like to use this printable sheet.


This problem is taken from 'Mathematical Challenges for Able Pupils Key Stages 1 and 2', published by DfES.