Use properties of numbers to work out whether you can satisfy all these statements at the same time.
Collect as many diamonds as you can by drawing three straight lines.
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a square.
Can you find the pairs that represent the same amount of money?
Given the products of diagonally opposite cells - can you complete this Sudoku?
Here is a machine with four coloured lights. Can you develop a strategy to work out the rules controlling each light?
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a parallelogram.
Players take it in turns to choose a dot on the grid. The winner is the first to have four dots that can be joined to form a rhombus.
