An investigation involving adding and subtracting sets of consecutive numbers. Lots to find out, lots to explore.

There are nine teddies in Teddy Town - three red, three blue and three yellow. There are also nine houses, three of each colour. Can you put them on the map of Teddy Town according to the rules?

Four bags contain a large number of 1s, 3s, 5s and 7s. Pick any ten numbers from the bags above so that their total is 37.

This practical problem challenges you to make quadrilaterals with a loop of string. You'll need some friends to help!

How can you arrange the 5 cubes so that you need the smallest number of Brush Loads of paint to cover them? Try with other numbers of cubes as well.

A game in which players take it in turns to choose a number. Can you block your opponent?

Can you put the numbers 1-5 in the V shape so that both 'arms' have the same total?

What can you see? What do you notice? What questions can you ask?

Use your addition and subtraction skills, combined with some strategic thinking, to beat your partner at this game.

There are nasty versions of this dice game but we'll start with the nice ones...

Dotty Six is a simple dice game that you can adapt in many ways.