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This challenge is to design different step arrangements, which must go along a distance of 6 on the steps and must end up at 6 high.

Throw the dice and decide whether to double or halve the number. Will you be the first to reach the target?

These sixteen children are standing in four lines of four, one behind the other. They are each holding a card with a number on it. Can you work out the missing numbers?

Choose a symbol to put into the number sentence.

Can you work out how to make each side of this balance equally balanced? You can put more than one weight on a hook.

You'll need to know your number properties to win a game of Statement Snap...

Can you work out what shape is made when this piece of paper is folded up using the crease pattern shown?

We can arrange dots in a similar way to the 5 on a dice and they usually sit quite well into a rectangular shape. How many altogether in this 3 by 5? What happens for other sizes?

Cut differently-sized square corners from a square piece of paper to make boxes without lids. Do they all have the same volume?

Here are shadows of some 3D shapes. What shapes could have made them?