Resources tagged with: Fractions

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There are 74 results

Broad Topics > Fractions, Decimals, Percentages, Ratio and Proportion > Fractions

A4 Fraction Subtraction

Age 7 to 11
Challenge Level

This task offers opportunities to subtract fractions using A4 paper.

What Do You See Here?

Age 7 to 11
Challenge Level

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

Andy's Marbles

Age 7 to 11
Challenge Level

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.

Early Fraction Development

Age 5 to 11

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

Doughnut

Age 7 to 11
Challenge Level

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

Fun Time

Age 7 to 11
Challenge Level

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.

Pizza Portions

Age 7 to 11
Challenge Level

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

More Fraction Bars

Age 7 to 11
Challenge Level

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

Exploring Fractions

Age 5 to 11

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. . . .

Fraction Lengths

Age 7 to 11
Challenge Level

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?

Linked Chains

Age 7 to 11
Challenge Level

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

A4 Fraction Addition

Age 7 to 11
Challenge Level

Try adding fractions using A4 paper.

Extending Fraction Bars

Age 7 to 11
Challenge Level

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

Once Upon a Time

Age 7 to 11
Challenge Level

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?

Orange Drink

Age 7 to 11
Challenge Level

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?

Fractions Made Faster

Age 7 to 11
Challenge Level

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

Jumping

Age 7 to 11
Challenge Level

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

Chocolate Bars

Age 7 to 11
Challenge Level

This is a 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.

The Greedy Algorithm

Age 11 to 14
Challenge Level

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.

Fair Feast

Age 5 to 11
Challenge Level

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

Terminating or Not

Age 11 to 14
Challenge Level

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

Fractions and Coins Game

Age 7 to 11
Challenge Level

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

Ratio Sudoku 3

Age 11 to 16
Challenge Level

A Sudoku with clues as ratios or fractions.

Rod Fractions

Age 7 to 14
Challenge Level

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?

In the Money

Age 7 to 11
Challenge Level

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

Pies

Age 7 to 11
Challenge Level

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

Water Lilies

Age 11 to 14
Challenge Level

There are some water lilies in a lake. The area that they cover doubles in size every day. After 17 days the whole lake is covered. How long did it take them to cover half the lake?

Ben's Game

Age 11 to 16
Challenge Level

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

Teaching Fractions with Understanding: Part-whole Concept

Age 5 to 14

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

History of Fractions

Age 7 to 14

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.

Tweedle Dum and Tweedle Dee

Age 11 to 14
Challenge Level

Two brothers were left some money, amounting to an exact number of pounds, to divide between them. DEE undertook the division. "But your heap is larger than mine!" cried DUM...

Fractions and Percentages Card Game

Age 11 to 16
Challenge Level

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

Almost One

Age 11 to 14
Challenge Level

Choose some fractions and add them together. Can you get close to 1?

Couples

Age 11 to 14
Challenge Level

In a certain community two thirds of the adult men are married to three quarters of the adult women. How many adults would there be in the smallest community of this type?

Magic Matrix

Age 7 to 11
Challenge Level

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

3388

Age 11 to 14
Challenge Level

Using some or all of the operations of addition, subtraction, multiplication and division and using the digits 3, 3, 8 and 8 each once and only once make an expression equal to 24.

Countdown Fractions

Age 11 to 16
Challenge Level

Here is a chance to play a fractions version of the classic Countdown Game.

Red Balloons, Blue Balloons

Age 7 to 11
Challenge Level

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?

Count the Beat

Age 5 to 11

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?

Same Answer

Age 11 to 14
Challenge Level

Aisha's division and subtraction calculations both gave the same answer! Can you find some more examples?

Dividing a Cake

Age 7 to 11
Challenge Level

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?

Fractions in a Box

Age 7 to 11
Challenge Level

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.

Peaches Today, Peaches Tomorrow...

Age 11 to 14
Challenge Level

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?

Keep it Simple

Age 11 to 14
Challenge Level

Can all unit fractions be written as the sum of two unit fractions?

How Long Is the Cantor Set?

Age 11 to 14
Challenge Level

Take a line segment of length 1. Remove the middle third. Remove the middle thirds of what you have left. Repeat infinitely many times, and you have the Cantor Set. Can you find its length?

Twisting and Turning

Age 11 to 14
Challenge Level

Take a look at the video and try to find a sequence of moves that will untangle the ropes.

Egyptian Fractions

Age 11 to 14
Challenge Level

The Egyptians expressed all fractions as the sum of different unit fractions. Here is a chance to explore how they could have written different fractions.

As Easy as 1,2,3

Age 11 to 14
Challenge Level

When I type a sequence of letters my calculator gives the product of all the numbers in the corresponding memories. What numbers should I store so that when I type 'ONE' it returns 1, and when I type. . . .

Mathematical Swimmer

Age 11 to 14
Challenge Level

Can you work out how many lengths I swim each day?

Light Blue - Dark Blue

Age 7 to 11
Challenge Level

Investigate the successive areas of light blue in these diagrams.