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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.

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...

Mr Gilderdale is playing a game with his class. What rule might he have chosen? How would you test your idea?

Find the exact difference between the largest ball and the smallest ball on the Hepta Tree and then use this to work out the MAGIC NUMBER!

Find your way through the grid starting at 2 and following these operations. What number do you end on?

Find all the different shapes that can be made by joining five equilateral triangles edge to edge.

What happens to the area of a square if you double the length of the sides? Try the same thing with rectangles, diamonds and other shapes. How do the four smaller ones fit into the larger one?

A practical experiment which will introduce students to tree diagrams, and help them to understand that outcomes may not be equally likely.