Using your knowledge of the properties of numbers, can you fill all the squares on the board?
Think of a two digit number, reverse the digits, and add the numbers together. Something special happens...
Watch these videos to see how Phoebe, Alice and Luke chose to draw 7 squares. How would they draw 100?
Play around with sets of five numbers and see what you can discover about different types of average...
Use properties of numbers to work out whether you can satisfy all these statements at the same time.
Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?
Sequences of multiples keep cropping up...
Four friends must cross a bridge. How can they all cross it in just 17 minutes?
