Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?
There are nasty versions of this dice game but we'll start with the nice ones...
In this game the winner is the first to make the total 37. Is this a fair game?
Can you find two butterflies to go on each flower so that the numbers on each pair of butterflies adds to the number on their flower?
How will you work out which numbers have been used to create this multiplication square?
Caroline and James pick sets of five numbers. Charlie tries to find three that add together to make a multiple of three. Can they stop him?
Dotty Six is a simple dice game that you can adapt in many ways.
Can you work out the domino pieces which would go in the middle in each case to complete the pattern of these eight sets of three dominoes?
Can you arrange the numbers 1 to 17 in a row so that each adjacent pair adds up to a square number?
Choose four different digits from 1-9 and put one in each box so that the resulting four two-digit numbers add to a total of 100.
