Fractions, Decimals & Percentages


This is part of ourĀ Secondary Curriculum collection of favourite rich tasks arranged by topic.

Matching Fractions, Decimals and Percentages

Stage: 3 Challenge Level: Challenge Level:1

An activity based on the game 'Pelmanism'. Set your own level of challenge and beat your own previous best score.

Repetitiously

Stage: 3 Challenge Level: Challenge Level:2 Challenge Level:2

The number 2.525252525252.... can be written as a fraction. What is the sum of the denominator and numerator?

Ben's Game

Stage: 3 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

Ben passed a third of his counters to Jack, Jack passed a quarter of his counters to Emma and Emma passed a fifth of her counters to Ben. After this they all had the same number of counters.

A Chance to Win?

Stage: 3 Challenge Level: Challenge Level:3 Challenge Level:3 Challenge Level:3

Imagine you were given the chance to win some money... and imagine you had nothing to lose...

Peaches Today, Peaches Tomorrow....

Stage: 3 Challenge Level: Challenge Level:2 Challenge Level:2

Whenever a monkey has peaches, he always keeps a fraction of them each day, gives the rest away, and then eats one. How long could he make his peaches last for?

Tiny Nines

Stage: 4 Challenge Level: Challenge Level:1

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.

Fair Shares?

Stage: 4 Challenge Level: Challenge Level:2 Challenge Level:2

A mother wants to share a sum of money by giving each of her children in turn a lump sum plus a fraction of the remainder. How can she do this in order to share the money out equally?

Fractions, Decimals and Percentages - Short Problems

Stage: 3 and 4

A collection of short problems on fractions, decimals and percentages.

Doughnut Percents

Stage: 2, 3 and 4 Challenge Level: Challenge Level:1

A task involving the equivalence between fractions, percentages and decimals which depends on members of the group noticing the needs of others and responding.

Fractions and Percentages Card Game

Stage: 3 and 4 Challenge Level: Challenge Level:1

Match the cards of the same value.