An environment which simulates working with Cuisenaire rods.

Katie and Will have some balloons. Will's balloon burst at exactly the same size as Katie's at the beginning of a puff. How many puffs had Will done before his balloon burst?

Calculate the fractional amounts of money to match pairs of cards with the same value.

One quarter of these coins are heads but when I turn over two coins, one third are heads. How many coins are there?

A 750 ml bottle of concentrated orange squash is enough to make fifteen 250 ml glasses of diluted orange drink. How much water is needed to make 10 litres of this drink?

This task offers opportunities to subtract fractions using A4 paper.

This challenge asks you to imagine a snake coiling on itself.

After training hard, these two children have improved their results. Can you work out the length or height of their first jumps?

Find out why these matrices are magic. Can you work out how they were made? Can you make your own Magic Matrix?

Pick two rods of different colours. Given an unlimited supply of rods of each of the two colours, how can we work out what fraction the shorter rod is of the longer one?

Can you work out the height of Baby Bear's chair and whose bed is whose if all the things the three bears have are in the same proportions?

Andy had a big bag of marbles but unfortunately the bottom of it split and all the marbles spilled out. Use the information to find out how many there were in the bag originally.

Here is a picnic that Petros and Michael are going to share equally. Can you tell us what each of them will have?

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

An interactive game to be played on your own or with friends. Imagine you are having a party. Each person takes it in turns to stand behind the chair where they will get the most chocolate.

My friends and I love pizza. Can you help us share these pizzas equally?

The discs for this game are kept in a flat square box with a square hole for each. Use the information to find out how many discs of each colour there are in the box.

Annie cut this numbered cake into 3 pieces with 3 cuts so that the numbers on each piece added to the same total. Where were the cuts and what fraction of the whole cake was each piece?

An activity for teachers to initiate that adds to learners' developing understanding of fractions.

On Saturday, Asha and Kishan's grandad took them to a Theme Park. Use the information to work out how long were they in the theme park.

An article describing activities which will help develop young children's concept of fractions.

Can you work out how many apples there are in this fruit bowl if you know what fraction there are?

Can you find ways to make twenty-link chains from these smaller chains? This gives opportunities for different approaches.

What fraction of the black bar are the other bars? Have a go at this challenging task!

Can you compare these bars with each other and express their lengths as fractions of the black bar?

Investigate the successive areas of light blue in these diagrams.

Use the fraction wall to compare the size of these fractions - you'll be amazed how it helps!

Grandma found her pie balanced on the scale with two weights and a quarter of a pie. So how heavy was each pie?

In how many ways can you halve a piece of A4 paper? How do you know they are halves?

Written for teachers, this article describes four basic approaches children use in understanding fractions as equal parts of a whole.

How can you cut a doughnut into 8 equal pieces with only three cuts of a knife?

Can you find combinations of strips of paper which equal the length of the black strip? If the length of the black is 1, how could you write the sum of the strips?

This article, written for primary teachers, links to rich tasks which will help develop the underlying concepts associated with fractions and offers some suggestions for models and images that help. . . .

This problem challenges you to work out what fraction of the whole area of these pictures is taken up by various shapes.

Ahmed is making rods using different numbers of cubes. Which rod is twice the length of his first rod?

This article, written by Nicky Goulder and Samantha Lodge, reveals how maths and marimbas can go hand-in-hand! Why not try out some of the musical maths activities in your own classroom?

Can you predict, without drawing, what the perimeter of the next shape in this pattern will be if we continue drawing them in the same way?

The large rectangle is divided into a series of smaller quadrilaterals and triangles. Can you untangle what fractional part is represented by each of the shapes?

How can these shapes be cut in half to make two shapes the same shape and size? Can you find more than one way to do it?

Who first used fractions? Were they always written in the same way? How did fractions reach us here? These are the sorts of questions which this article will answer for you.