
Gabriel's problem
Gabriel multiplied together some numbers and then erased them. Can you figure out where each number was?
Gabriel multiplied together some numbers and then erased them. Can you figure out where each number was?
Charlie and Abi put a counter on 42. They wondered if they could visit all the other numbers on their 1-100 board, moving the counter using just these two operations: x2 and -5. What do you think?
Can you work out what step size to take to ensure you visit all the dots on the circle?
A game in which players take it in turns to turn up two cards. If they can draw a triangle which satisfies both properties they win the pair of cards. And a few challenging questions to follow...
A game in which players take it in turns to try to draw quadrilaterals (or triangles) with particular properties. Is it possible to fill the game grid?
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...
Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?