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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?

Jomista Mat

Age 7 to 11
Challenge Level
This image is intended as a stimulus to encourage children to talk about what they see. You could ask them to discuss first in pairs and then to share their ideas with the whole group. This is an opportunity for pupils to refine their use of mathematical language and this discussion will help them decide how to reconstruct the mat.