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

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?

There are six numbers written in five different scripts. Can you sort out which is which?

On a digital 24 hour clock, at certain times, all the digits are consecutive. How many times like this are there between midnight and 7 a.m.?

What is the greatest number of counters you can place on the grid below without four of them lying at the corners of a square?

Place the numbers from 1 to 9 in the squares below so that the difference between joined squares is odd. How many different ways can you do this?

This 100 square jigsaw is written in code. It starts with 1 and ends with 100. Can you build it up?

What happens when you add the digits of a number then multiply the result by 2 and you keep doing this? You could try for different numbers and different rules.

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?

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