This challenge is a game for two players. Choose two of the numbers to multiply or divide, then mark your answer on the number line. Can you get four in a row?
Each light in this interactivity turns on according to a rule. What happens when you enter different numbers? Can you work out the rule for each light?
How many ways can you find to do up all four buttons on my coat? How about if I had five buttons? Six ...?
Investigate the different numbers of people and rats there could have been if you know how many legs there are altogether!
This challenge combines addition, multiplication, perseverance and even proof.
Take a look at the video of this trick. Can you perform it yourself? Why is this maths and not magic?
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a rhombus.
