Try grouping the dominoes in the ways described. Are there any left over each time? Can you explain why?

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?

What do you see as you watch this video? Can you create a similar video for the number 12?

These pictures show squares split into halves. Can you find other ways?

In Sam and Jill's garden there are two sorts of ladybirds with 7 spots or 4 spots. What numbers of total spots can you make?

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

A group of children are discussing the height of a tall tree. How would you go about finding out its height?

What is the greatest number of squares you can make by overlapping three squares?