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.
Is there a quick way to work out whether a fraction terminates or recurs when you write it as a decimal?
What do you notice about these families of recurring decimals?
Can you express every recurring decimal as a fraction?
Can you match pairs of fractions, decimals and percentages, and beat your previous scores?
What is the last digit of the number 1 / 5^903 ?
A jigsaw where pieces only go together if the fractions are equivalent.
Where will the point stop after it has turned through 30 000 degrees? I took out my calculator and typed 30 000 ÷ 360. How did this help?