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problem

Room doubling

7 to 11

Investigate the different ways you could split up these rooms so that you have double the number.

problem

Favourite

Snooker frames

16 to 18

It is believed that weaker snooker players have a better chance of winning matches over eleven frames (i.e. first to win 6 frames) than they do over fifteen frames. Is this true?

problem

Favourite

Bridge builder

16 to 18

In this short problem we investigate the tensions and compressions in a framework made from springs and ropes.

problem

Mobile numbers

5 to 11

In this investigation, you are challenged to make mobile phone numbers which are easy to remember. What happens if you make a sequence adding 2 each time?

problem

Little squares

5 to 7

Look at the squares in this problem. What does the next square look like? I draw a square with 81 little squares inside it. How long and how wide is my square?