Would you rather: Have 10% of £5 or 75% of 80p? Be given 60% of 2 pizzas or 26% of 5 pizzas?
In this game the winner is the first to make the total 37. Is this a fair game?
Can you sketch triangles that fit in the cells in this grid? Which ones are impossible? How do you know?
Use your knowledge of place value to try to win this game. How will you maximise your score?
Can you put these four calculations into order of difficulty? How did you decide?
Can you find out which 3D shape your partner has chosen before they work out your shape?
Do you agree with Badger's statements? Is Badger's reasoning 'watertight'? Why or why not?
Ayah conjectures that the diagonals of a square meet at right angles. Do you agree? How could you find out?
Here is an interesting property about two sets of digits. Can you work out what the digits might be?
Choose four different digits from 1-9 and put one in each box so that the resulting four two-digit numbers add to a total of 100.
