Rolling that cube
Square corners
What is the greatest number of counters you can place on the grid below without four of them lying at the corners of a square?
Treasure hunt
Can you find a reliable strategy for choosing coordinates that will locate the treasure in the minimum number of guesses?
Shape draw
Use the information on these cards to draw the shape that is being described.
Shapes on the playground
Sponge sections
You have been given three shapes made out of sponge: a sphere, a cylinder and a cone. Your challenge is to find out how to cut them to make different shapes for printing.
Dice in a corner
How could you arrange at least two dice in a stack so that the total of the visible spots is 18?
Square it
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.