problem Seeing Rhombuses Age 7 to 11 Challenge level 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.
problem Seeing Parallelograms Age 7 to 11 Challenge level 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.
problem Rhombus It Age 11 to 16 Challenge level 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.
problem What numbers can we make now? Age 11 to 14 Challenge level Imagine we have four bags containing numbers from a sequence. What numbers can we make now?
problem More Less is More Age 7 to 14 Challenge level In each of these games, you will need a little bit of luck, and your knowledge of place value to develop a winning strategy.
problem An Easy Way to Multiply by 10? Age 7 to 11 Challenge level Do you agree with Badger's statements? Is Badger's reasoning 'watertight'? Why or why not?
problem Three neighbours Age 7 to 14 Challenge level Take three consecutive numbers and add them together. What do you notice?
problem Equivalent Pairs Age 5 to 7 Challenge level Can you match pairs of cards which show the same amount?
problem Are you well Balanced? Age 5 to 7 Challenge level Can you work out how to make each side of this balance equally balanced? You can put more than one weight on a hook.
problem Guess What? Age 7 to 11 Challenge level Can you find out which 3D shape your partner has chosen before they work out your shape?