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.
A jigsaw where pieces only go together if the fractions are equivalent.
The number 2.525252525252.... can be written as a fraction. What is the sum of the denominator and numerator?
What is the last digit of the number 1 / 5^903 ?
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?
Find the decimal equivalents of the fractions one ninth, one ninety ninth, one nine hundred and ninety ninth etc. Explain the pattern you get and generalise.
A task involving the equivalence between fractions, percentages and decimals which depends on members of the group noticing the needs of others and responding.
Match the cards of the same value.