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Percentage Change

Test your understanding of using percentages with this self marking quiz about percentage change.

Level 1 Level 2 Level 3 Level 4 Level 5 Level 6 Exam-Style Description Help More Percentages

This is level 3: find the percentage increase given the original and final values. You can earn a trophy if you get at least 7 questions correct. You can use a calculator.

Find the percentage increase if 40 increases to 78. % Correct Wrong

Find the percentage increase if 180 increases to 225. % Correct Wrong

If 160 increases to 216, by what percentage has it increased? % Correct Wrong

Yesterday a painting was valued at £56. Last year it had been valued at £40. By what percentage had the valuation increased?Artist % Correct Wrong

At the last count there were 780 cars passing a junction each hour. Two years ago there were only 600 cars passing the junction each hour. By what percentage has the number of cars increased? % Correct Wrong

Find the percentage increase in the number of butterflies estimated in a butterfly farm. Last year the estimate was 200 and this year it was 252. % Correct Wrong

There are now 1026 fans of the Wolftree Football Club. Last year there were only 950 fans. By what percentage has the number of fans increased? % Correct Wrong

The number of Stirbooks coffee shops in the world increased from 60400 to 115968 in the last five years. By what percentage has the number of shops increased? % Correct Wrong

A total of 6400 blades of grass were counted in one square meetre of a lawn. After adding fertiliser the count one month later was 8192 blades, by what percentage had the amount of grass increased? % Correct Wrong

A station could cope with 98700 passengers per day. After extending the platforms and ticket office it could accomodate 113505 passengers per day. Express this increase as a percentage. % Correct Wrong

Check

This is Percentage Change level 3. You can also try:
Level 1 Level 2 Level 4 Level 5 Level 6

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.

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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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Tran Tunnels

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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:

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Description of Levels

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Simple Percentages

Level 1 - Find the new amount after a percentage increase.

Level 2 - Find the new amount after a percentage decrease.

Level 3 - Find the percentage increase given the original and final values.

Level 4 - Find the percentage decrease given the original and final values.

Level 5 - Find the original amount after a percentage increase or decrease given the final value.

Level 6 - Mixed questions.

Exam Style questions are in the style of GCSE or IB/A-level exam paper questions and worked solutions are available for Transum subscribers.

Answers to this exercise are available lower down this page when you are logged in to your Transum account. If you don’t yet have a Transum subscription one can be very quickly set up if you are a teacher, tutor or parent.

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Example

This video is from the excellent Corbettmaths.

You may want to use a calculator for some of the questions. See Calculator Workout skill 3.

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.

Answers to this exercise are available lower down this page when you are logged in to your Transum account. If you don’t yet have a Transum subscription one can be very quickly set up if you are a teacher, tutor or parent.

Log in Sign up

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