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

Dotty Six game for an adult and child. Will you be the first to have three sixes in a straight line?

Read this riddle and see if you can work out how the trees must be planted.

Can you find some examples when the number of Roman numerals is fewer than the number of Arabic numerals for the same number?

This activity is best done with a whole class or in a large group. Can you match the cards? What happens when you add pairs of the numbers together?

Can you find different ways of showing the same number? Try this matching game and see!

This article for teachers describes how modelling number properties involving multiplication using an array of objects not only allows children to represent their thinking with concrete materials,. . . .

This article for teachers describes how number arrays can be a useful reprentation for many number concepts.

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

This article for the young and old talks about the origins of our number system and the important role zero has to play in it.

This article looks at how models support mathematical thinking about numbers and the number system