# Pie Charts

## Develop the skills to construct and interpret pie charts in this self-marking set of exercises.

##### Level 1Level 2Level 3Level 4Level 5DescriptionHelpData Handling

This is level 2: estimating what quantities the sectors of pie charts represent. You can earn a trophy if you get at least 7 questions correct and you do this activity online.

Different groups of students are asked whether they like certain food items. The pie charts below show the results. For some of the estimation questions you are allowed to be one away from the correct answer.

 This pie chart shows how many of 5 students liked lemons. Estimate how many people liked lemons as represented by the yellow sector. This pie chart shows how many of 8 students liked cheese. Estimate how many people liked cheese. This pie chart shows data from 10 people. Estimate how many people liked tea. This pie chart shows data from 12 people. Estimate how many people liked milk. This pie chart shows data from 18 people. Estimate how many people liked Marmite. This pie chart shows data from 20 people. Estimate how many people liked jelly. This pie chart shows data from 24 people. Estimate how many students did not like apples according to this pie chart. This pie chart shows data from 24 people. Estimate how many students did not like shrimp according to this pie chart. The photograph below shows the world's most accurate pie chart! (Joke)You could call it a Pizza Pie Chart.Estimate the percentage of the pizza already eaten (to the nearest 5%). % Estimate the percentage of the pie left (to the nearest 5%). %

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This is Pie Charts level 2. You can also try:
Level 1 Level 3 Level 4 Level 5

## 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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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 18 September 'Starter of the Day' page by Mrs. Peacock, Downe House School and Kennet School:

"My year 8's absolutely loved the "Separated Twins" starter. I set it as an optional piece of work for my year 11's over a weekend and one girl came up with 3 independant solutions."

Comment recorded on the 9 April 'Starter of the Day' page by Jan, South Canterbury:

"Thank you for sharing such a great resource. I was about to try and get together a bank of starters but time is always required elsewhere, so thank you."

#### Polygon Pieces

Arrange the nine pieces of the puzzle on the grid to make the given polygon. Level one is for those learning the names of shapes while other levels are for those who like a challenge!

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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:

Unknown Source,

Sunday, July 7, 2019

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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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© Transum Mathematics :: This activity can be found online at:
www.transum.org/software/SW/Starter_of_the_day/Students/Pie_Charts.asp?Level=2

## Description of Levels

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Level 1 - Label the diagram showing two pie charts

Level 2 - Estimating what quantities the sectors of pie charts represent

Level 3 - Measuring the angles in the sectors and calculating what they represent

Level 4 - Drawing pie charts from the given data

Level 5 - Problem solving tasks involving pie charts

Pie Chart Creator - A quick and convenient tool for rapidly creating simple pie charts.

Pie Chart Starter - The Starter Of The Day for June 10th is a pie chart from which pupils are invited to estimate what each sector stands for.

More on this topic including lesson Starters, visual aids and investigations.

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.

## Curriculum Reference

See the National Curriculum page for links to related online activities and resources.

## Example

The video above is from the YouTube channel called 'Mathscasts'

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. You can double-click the 'Check' button to make it float at the bottom of your screen.

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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