Try grouping the dominoes in the ways described. Are there any left over each time? Can you explain why?
Sort the houses in my street into different groups. Can you do it in any other ways?
Can you sort these triangles into three different families and explain how you did it?
Mr Gilderdale is playing a game with his class. What rule might he have chosen? How would you test your idea?
Can you create symmetrical designs by cutting a square into strips?
Two children made up a game as they walked along the garden paths. Can you find out their scores? Can you find some paths of your own?
This box does something to the numbers that go into it. If you know the numbers that come out, what might be going on inside the box?
There are three versions of this challenge. The idea is to change the colour of all the spots on the grid. Can you do it in fewer throws of the dice?
Shapes are added to other shapes. Can you see what is happening? What is the rule?
What patterns can you make with a set of dominoes?
