In this feature we have selected some problems which you could do in a short amount of time, or some longer investigations if you have more time. There are also some games for you to play against a willing partner! Let us know how you get on and send in your solutions.
These two group activities use mathematical reasoning - one is numerical, one geometric.
Can you go through this maze so that the numbers you pass add to exactly 100?
Ram divided 15 pennies among four small bags. He could then pay any sum of money from 1p to 15p without opening any bag. How many pennies did Ram put in each bag?
Put operations signs between the numbers 3 4 5 6 to make the highest possible number and lowest possible number.
What happens when you add three numbers together? Will your answer be odd or even? How do you know?
This challenge is a game for two players. Choose two numbers from the grid and multiply or divide, then mark your answer on the number line. Can you get four in a row before your partner?