Can you work out which drink has the stronger flavour?
How much of the square is coloured blue? How will the pattern continue?
The Egyptians expressed all fractions as the sum of different unit fractions. The Greedy Algorithm might provide us with an efficient way of doing this.
Can all unit fractions be written as the sum of two unit fractions?
Can you work out the parentage of the ancient hero Gilgamesh?
Which dilutions can you make using only 10ml pipettes?
I need a figure for the fish population in a lake. How does it help to catch and mark 40 fish?
Can you tangle yourself up and reach any fraction?
It would be nice to have a strategy for disentangling any tangled ropes...
