Stimulus: It’s Lucy’s birthday and today she has turned 10. She has finally reached the age of her favourite number: the number 10. She has decided that she wants to try and find a real number 10 so that she can keep it forever. Lucy thinks to herself ‘… Mmm, where am I going to find a number 10?’ She think...

The Hueys are counting things, but when they realise that the number of pieces of cheese over there is ‘none’, they start to wonder, if none is a number or not? Task Questions: Is none a number? Is zero a number? Is zero the same as none? Is nothing, something or nothing? Is none the same as nothing? Extensi...

  2                     2 2                     2 Start Question: Take a look at the 2s above. How many numbers do you think are there? Nested Questions: How many different answers can you think of? If someone said that...

The Philosophy This session needs a little bit of general knowledge – that is why it is KS2, but half the fun is how the children try to apply their limited general knowledge to solve the problem. There are two basic issues. The first is whether 'facts' about the world expressed in numbers are literally true. The second is wheth...