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?

Two by One

An activity making various patterns with 2 x 1 rectangular tiles.

Playground Snapshot

The image in this problem is part of a piece of equipment found in the playground of a school. How would you describe it to someone over the phone?

Overlapping Circles

Age 7 to 11 Challenge Level:

Can you describe the sides of the shapes you can make?

Do you notice anything about all the shapes you make using two circles the same size?

When the two circles are different sizes, what else is possible?