Why do this problem?
This problem offers a good opportunity for students to work
This is a good starter question to have on the board as students
enter the room.
- What numbers might go next to the 12?
- How many ways of putting the numbers on the clock might there
- Can the numbers 1 - 13 be arranged in a circle so that the
pairs add up to a triangle number?
This problem is taken from the UKMT Mathematical Challenges.