Therefore, 6 has one circle. It is worth 1 point. 8 has two circles and is worth 2.
According to many people, this is the hardest riddle in the world. Only 3% of Harvard graduates can answer it yet 84% of kindergarten children can. Why not try it yourself and then read it out to your students? The answer is on page 150.
One of my favourites to give a class is the riddle which shows them an alternative way of thinking. Like all riddles, it seems silly to ask when you know the answer. If there are students who haven’t heard it before, it can lift a veil from their mind, however. They can now see the link between impossibility, logic and possibilities. This is the riddle:
Two cops walked into a room without windows and found a dead man. He had obviously hung himself from the ceiling, but they couldn’t figure out how. There wasn’t a chair underneath him that he could have jumped off. In fact, there was nothing except a puddle of water beneath him. How did he do it?
There are many great websites for riddles. A lot of them are specifically for children. Just type in: Best riddles for children. Try to ask the students a riddle a day at the start of the lesson. It gets their creative juices flowing and they will look forward to your lessons.