In these addition and subtraction games, you'll need to think strategically to get closest to the target.
A game for two people, or play online. Given a target number, say 23, and a range of numbers to choose from, say 1-4, players take it in turns to add to the running total to hit their target.
Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?
Jennifer Piggott and the NRICH team introduce Nim-like games to help children think creatively in mathematics.
Here are two games you can play. Which offers the better chance of winning?
This problem explores the range of events in a sports day and which ones are the most popular and attract the most entries.
In a league of 5 football teams which play in a round robin tournament show that it is possible for all five teams to be league leaders.
