In this follow-up to the problem Odds and Evens, we invite you to analyse a probability situation in order to find the general solution for a fair game.

Can you make a spiral for yourself? Explore some different ways to create your own spiral pattern and explore differences between different spirals.

Look at some of the results from the Olympic Games in the past. How do you compare if you try some similar activities?

Here's a very elementary code that requires young children to read a table, and look for similarities and differences.

Looking at the Olympic Medal table, can you see how the data is organised? Could the results be presented differently to give another nation the top place?

Watch our videos of multiplication methods that you may not have met before. Can you make sense of them?

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

Can you work out which spinners were used to generate the frequency charts?

This activity is based on data in the book 'If the World Were a Village'. How will you represent your chosen data for maximum effect?

15 = 7 + 8 and 10 = 1 + 2 + 3 + 4. Can you say which numbers can be expressed as the sum of two or more consecutive integers?