Skip over navigation
Cambridge University Faculty of Mathematics NRich logo
menu search
  • Teachers expand_more
    • Early years
    • Primary
    • Secondary
    • Post-16
    • Events
    • Professional development
  • Students expand_more
    • Primary
    • Secondary
    • Post-16
  • Parents expand_more
    • Early Years
    • Primary
    • Secondary
    • Post-16
  • Problem-Solving Schools
  • About NRICH expand_more
    • About us
    • Impact stories
    • Support us
    • Our funders
    • Contact us
  • search

Or search by topic

Number and algebra

  • The Number System and Place Value
  • Calculations and Numerical Methods
  • Fractions, Decimals, Percentages, Ratio and Proportion
  • Properties of Numbers
  • Patterns, Sequences and Structure
  • Algebraic expressions, equations and formulae
  • Coordinates, Functions and Graphs

Geometry and measure

  • Angles, Polygons, and Geometrical Proof
  • 3D Geometry, Shape and Space
  • Measuring and calculating with units
  • Transformations and constructions
  • Pythagoras and Trigonometry
  • Vectors and Matrices

Probability and statistics

  • Handling, Processing and Representing Data
  • Probability

Working mathematically

  • Thinking mathematically
  • Developing positive attitudes
  • Cross-curricular contexts

Advanced mathematics

  • Decision Mathematics and Combinatorics
  • Advanced Probability and Statistics
  • Mechanics
  • Calculus

For younger learners

  • Early Years Foundation Stage

Fractions, Decimals & Percentages


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

Matching Fractions, Decimals and Percentages

Age 7 to 14
Challenge Level Yellow star

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

Repetitiously

Age 14 to 16
Challenge Level Yellow starYellow star

Can you express every recurring decimal as a fraction?

Ben's Game

Age 11 to 16
Challenge Level Yellow starYellow starYellow star

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

A Chance to Win?

Age 11 to 14
Challenge Level Yellow starYellow starYellow star

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

Peaches Today, Peaches Tomorrow...

Age 11 to 14
Challenge Level Yellow starYellow star

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?

Tiny Nines

Age 14 to 16
Challenge Level Yellow starYellow star

What do you notice about these families of recurring decimals?

Doughnut Percents

Age 7 to 14
Challenge Level Yellow starYellow star

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

Age 11 to 16
Challenge Level Yellow star

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

Fractions, Decimals and Percentages - Short Problems

Age 11 to 16

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

Terminating or Not

Age 11 to 14
Challenge Level Yellow starYellow star

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



 
You may also be interested in this collection of activities from the STEM Learning website, that complement the NRICH activities above.
  • Tech help
  • Accessibility Statement
  • Sign up to our newsletter
  • Twitter X logo

The NRICH Project aims to enrich the mathematical experiences of all learners. To support this aim, members of the NRICH team work in a wide range of capacities, including providing professional development for teachers wishing to embed rich mathematical tasks into everyday classroom practice.

NRICH is part of the family of activities in the Millennium Mathematics Project.

University of Cambridge logo NRICH logo