You may also like
Four Triangles Puzzle
Cut four triangles from a square as shown in the picture. How many different shapes can you make by fitting the four triangles back together?
Rectangles with Dominoes
Can you make a rectangle with just 2 dominoes? What about 3, 4, 5, 6, 7...?
Chain of Changes
Arrange the shapes in a line so that you change either colour or shape in the next piece along. Can you find several ways to start with a blue triangle and end with a red circle?
Age 5 to 7
Challenge Level
We thought we had not received any suggestions for this activity but at the last moment from Adam at Anselm's we had these two contributions sent in. Thank you Adam.
This pattern is all the men doing the same thing at the same time (standing).
These men look as if they are singing.
This pattern is all the men doing the same thing at the same time (standing).
These men look as if they are singing.
Copyright © 1997 - 2023. University of Cambridge.
All rights reserved.
NRICH is part of the family of activities in the Millennium Mathematics Project.
NRICH is part of the family of activities in the Millennium Mathematics Project.