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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?

Drilling Many Cubes

Age 7 to 14 Challenge Level:

Here we see the two kinds of drilling with the green cubes showing those that have been drilled through.

drilled cubes