# Express as a Percentage

## This self-marking quiz requires you to work out what one quantity is as a percentage of a second quantity.

##### Level 1Level 2Level 3Level 4DescriptionHelpMore Percentages

This is level 3; Express one quantity as a percentage of another quantity with different units. You can earn a trophy if you get at least 9 questions correct.

 Express 72 centimetres as a percentage of 1.5 metres. % Express 360cm as a percentage of 4.5m. % Express 25mm as a percentage of 25cm. % Express 1170mm as a percentage of 4.5m. % Express 385m as a percentage of 3.85km. % Express 2325m as a percentage of 4.65km. % Express 16.53m as a percentage of 4350cm. % Express 897g as a percentage of 3.45kg. % Express 1780g as a percentage of 4.45kg. % A garden has an area of 1050m2. Within the garden there is a flower bed in the shape of a rectangle 7m long and 3m wide. What percentage of the area of the garden is taken up by the flower bed? % A new healthy wedding cake is being sold in a shop. Each cake weighs 6kg and contains 360g of protein, 640g of fat and 5kg of carbohydrate. What percentage of protein does one wedding cake contain? % A bottle of Junky Cola contains one point five litres of the sugary, unhealthy drink. Winky Lash drinks a 30cl glass of Junky Cola. What percentage of the whole bottle is that? %
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This is Express as a Percentage level 3. You can also try:
Level 1 Level 2 Level 4

## Instructions

Try your best to answer the questions above. Type your answers into the boxes provided leaving no spaces. As you work through the exercise regularly click the "check" button. If you have any wrong answers, do your best to do corrections but if there is anything you don't understand, please ask your teacher for help.

When you have got all of the questions correct you may want to print out this page and paste it into your exercise book. If you keep your work in an ePortfolio you could take a screen shot of your answers and paste that into your Maths file.

## Transum.org

This web site contains over a thousand free mathematical activities for teachers and pupils. Click here to go to the main page which links to all of the resources available.

## More Activities:

Mathematicians are not the people who find Maths easy; they are the people who enjoy how mystifying, puzzling and hard it is. Are you a mathematician?

Comment recorded on the 24 May 'Starter of the Day' page by Ruth Seward, Hagley Park Sports College:

"Find the starters wonderful; students enjoy them and often want to use the idea generated by the starter in other parts of the lesson. Keep up the good work"

Comment recorded on the 11 January 'Starter of the Day' page by S Johnson, The King John School:

"We recently had an afternoon on accelerated learning.This linked really well and prompted a discussion about learning styles and short term memory."

#### ChrisMaths

Christmas activities make those December Maths lessons interesting, exciting and relevant. If students have access to computers there are some online activities to keep them engaged such as Christmas Ornaments and Christmas Light Up.

There are answers to this exercise but they are available in this space to teachers, tutors and parents who have logged in to their Transum subscription on this computer.

A Transum subscription unlocks the answers to the online exercises, quizzes and puzzles. It also provides the teacher with access to quality external links on each of the Transum Topic pages and the facility to add to the collection themselves.

Subscribers can manage class lists, lesson plans and assessment data in the Class Admin application and have access to reports of the Transum Trophies earned by class members.

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## Go Maths

Learning and understanding Mathematics, at every level, requires learner engagement. Mathematics is not a spectator sport. Sometimes traditional teaching fails to actively involve students. One way to address the problem is through the use of interactive activities and this web site provides many of those. The Go Maths page is an alphabetical list of free activities designed for students in Secondary/High school.

## Maths Map

Are you looking for something specific? An exercise to supplement the topic you are studying at school at the moment perhaps. Navigate using our Maths Map to find exercises, puzzles and Maths lesson starters grouped by topic.

## Teachers

If you found this activity useful don't forget to record it in your scheme of work or learning management system. The short URL, ready to be copied and pasted, is as follows:

Do you have any comments? It is always useful to receive feedback and helps make this free resource even more useful for those learning Mathematics anywhere in the world. Click here to enter your comments.

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## Description of Levels

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Level 1 - Express one number as a percentage of another.

Level 2 - Express one amount of money as a percentage of another.

Level 3 - Express one quantity as a percentage of another quantity with different units.

Level 4 - More difficult questions where the answers require rounding.

## Expressing one quantity as a percentage of another

This video is from Corbett Maths.

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