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Make a cube out of straws and have a go at this practical challenge.


Reasoning about the number of matches needed to build squares that share their sides.

Little Boxes

How many different cuboids can you make when you use four CDs or DVDs? How about using five, then six?

Sea Defences

Age 7 to 14 Challenge Level:
This activity is designed to encourage pupils to talk about what they see in the images and therefore refine their mathematical language. In trying to reconstruct the basic shape, the students will need to try out ideas, based on their visualisations, using practical equipment. By discussing in small groups, they will be able to refine these constructions and also develop their own designs.