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Construct-o-straws

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

Matchsticks

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?

Regular Rings 1

Age 7 to 11 Challenge Level:
What do you notice about the different types of fold on the crease pattern?   Can you tell which direction each fold is in?
What order do you think the folds were made in?
How could we check what we’ve done so far?