Transum Software

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 1 Level 2 Level 3 Level 4 Description Help More Percentages

This is level 4; More difficult questions where the answers require rounding. You can earn a trophy if you get at least 9 questions correct.

What is 30 as a percentage of 90 ? Give your answer to the nearest whole number.

% Correct Wrong
What is 92 as a percentage of 138 ? Give your answer correct to three significant figures.

% Correct Wrong
What is 66 as a percentage of 107 ? Give your answer correct to three significant figures.

% Correct Wrong
What is 83 as a percentage of 140 ? Give your answer correct to three significant figures.

% Correct Wrong
What is 50cm as a percentage of 1.16m ? Give your answer correct to three significant figures.

% Correct Wrong
What is 990g as a percentage of 8.89kg ? Give your answer correct to three significant figures.

% Correct Wrong
What is 29mm as a percentage of 3.7cm ? Give your answer correct to three significant figures.

% Correct Wrong
What is 8.8kg as a percentage of 16200g ? Give your answer correct to three significant figures.

% Correct Wrong
The total length of a road is 15.2km. One Sunday evening 6000m was closed for road works. What percentage of the road was closed? Give your answer correct to three significant figures.

% Correct Wrong
The longest snake ever measured is a reticulated python 7.67m long. A baby python is 18cm long. What percentage is the baby python's length of the longest python's length? Give your answer correct to three significant figures.

% Correct Wrong
A long-haul flight lasts for 11 hours and 45 minutes. Tracey manages to sleep for four and a half hours on the flight. What percentage of the flight time was Tracey awake? Give your answer correct to three significant figures.

% Correct Wrong
What is 5600cm2 as a percentage of 0.98m2? Give your answer correct to three significant figures.

% Correct Wrong
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This is Express as a Percentage level 4. You can also try:
Level 1 Level 2 Level 3

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.

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Comment recorded on the 19 November 'Starter of the Day' page by Lesley Sewell, Ysgol Aberconwy, Wales:

"A Maths colleague introduced me to your web site and I love to use it. The questions are so varied I can use them with all of my classes, I even let year 13 have a go at some of them. I like being able to access the whole month so I can use favourites with classes I see at different times of the week. Thanks."

Comment recorded on the 1 February 'Starter of the Day' page by Terry Shaw, Beaulieu Convent School:

"Really good site. Lots of good ideas for starters. Use it most of the time in KS3."

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Answers

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.

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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.

Don't wait until you have finished the exercise before you click on the 'Check' button. Click it often as you work through the questions to see if you are answering them correctly.

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