Take an equilateral triangle and cut it into smaller pieces. What can you do with them?
How many ways can you find to put in operation signs (+, −, ×, ÷) to make 100?
These eleven shapes each stand for a different number. Can you use the multiplication sums to work out what they are?
Choose some fractions and add them together. Can you get close to 1?
If you move the tiles around, can you make squares with different coloured edges?
A 2 by 3 rectangle contains 8 squares and a 3 by 4 rectangle contains 20 squares. What sizes of rectangle contain exactly 100 squares? Can you find them all?
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.
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.
