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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?

Playground Snapshot

Age 7 to 14
Challenge Level

Emma T., Gavin T. and Keenan L. all gave brief descriptions of the structure - I suppose the next question should be - how many rods of what lengths have been used to make this frame?

Picture of frame

All of them identified the shape as a climbing frame. It has a hexagon shaped base with horizontal bars connected to vertical bars all like steps going upwards and no top. The sun is hitting it on the left side making the shadow fall onto the right.