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

Scroll down to see the complete collection, or explore our subcollections on Perimeter and Area in two dimensions, and Surface Area and Volume in three dimensions.

problem

Favourite

### Matching Fractions, Decimals and Percentages

Can you match pairs of fractions, decimals and percentages, and beat your previous scores?

problem

Favourite

### Doughnut percents

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

problem

Favourite

### Fractions and Percentages Card Game

Can you find the pairs that represent the same amount of money?

problem

Favourite

### Peaches today, Peaches tomorrow...

A monkey with peaches, keeps a fraction of them each day, gives the rest away, and then eats one. How long can his peaches last?

problem

Favourite

### Terminating or not

Is there a quick way to work out whether a fraction terminates or recurs when you write it as a decimal?

problem

Favourite

### Ben's Game

Ben, Jack and Emma passed counters to each other and ended with the same number of counters. How many did they start with?

problem

Favourite

### A Chance to Win?

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

Image

Y

*ou may also be interested in this collection of activities from the STEM Learning website, that complement the NRICH activities above.*