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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?

Taking Steps

Age 7 to 11 Challenge Level:

In each of the pictures the invitation is for you to:

Count what you see:
how many bricks? sectors? circles?


Identify how you think the pattern would continue:
how many will be in the next layer/ level?


Look at what would happen if you started (or ended) with a different number of items:
how many will there be in total?

Pattern of bricks piled in a pyramid
Radial Pattern of chains joined at the centre and by a circle of chains around the edge
7 circles inside each of 4 circles inside one large circle