# pie chart questions gcse

The first thing we need to work out in this question is the amount of time that Oliver spends playing golf. Preview and details Files included (3) pdf, 600 KB. Updated: Dec 12, 2014. rtf, 184 KB. B: The student does notwalk to school. Areas of Shapes Worksheets, Questions and Revision. Worksheets & Exam Questions. 5. To calculate the angle, we use the following formula: \textcolor{black}{\text{angle }}=\dfrac{\textcolor{black}{\text{number of things in that category}}}{\textcolor{black}{\text{total number of things}}}\times \textcolor{black}{360\degree}. Related Topics Next topic. Loading... Save for later . Geometric Sequences - Higher GCSE Questions, Ratio - Foundation & Higher GCSE Questions, Estimating Area Under a Curve - Higher GCSE Questions, GCSE calculator techniques for CASIO fx-83GT fx-85GT CLASSWIZ (pdf), Edexcel GCSE Foundation Unit 3 - Graphs, Tables & Charts, Year 6 Maths Consolidation Pack - Summer Term - White Rose Maths' Resources. Other resources by … Must Practice 11 Plus (11+) Pie Chart Past Paper Questions. Sara McGranaghan Questionnaire resultsI created a questionnaire for my market research in order to collect information about whatpeople want to find in a magazine. Remember that there are 360° in a circle so each group in the pie chart will be a proportion of 360°. a)  Clearly, ‘2 bathrooms’ has the biggest slice, so the most common number of bathrooms is 2. b) To work out how many people had exactly 1 bathroom in their house, we will have to use a protractor to measure the size of the angle in the ‘1 bathroom’ slice. NB – a ‘slice’ of a pie is a sector, not a segment. Practice Questions; Post navigation. Pie charts. Curriculum topic: Statistics. 1. Cambury Council asked 60 customers what they thought of the local leisure centre. London WC1R 4HQ. Mathematics; Mathematics / Data and statistics / Data processing; 14-16; View more . This website and its content is subject to our Terms and In two sizes, pdf and ppt. Mathster is a fantastic resource for creating online and paper-based assessments and homeworks. PDF. Previous topic GCSE Maths Home Search GCSE Maths Topics. Worksheet Overview. 4. PDF. Homework that was awarded a grade B can be expressed as the following fraction:\dfrac{5}{24}. Lewis has 9 hours of leisure time per week, and the breakdown of his leisure pursuits is shown in the below pie chart: If Lewis spends the same amount of time as Oliver each week playing golf, then how many degrees should the slice representing golf be? Pie charts are usually drawn so the biggest piece of pie comes first (starting at 12 o'clock). • Answer all questions. View US version. Make sure you are happy with the following topics before continuing. registered in England (Company No 02017289) with its registered office at 26 Red Lion Previous topic Next topic. Practice Questions; Post navigation. Question 2: John recorded the grades his class received on a piece of homework in the table shown below: Draw a pie chart to represent John’s data. come with answers. Questionnaire pie charts 1. This test covers drawing pie charts, working out angles of each sector (pie slice). • Diagrams are NOT accurately drawn, unless otherwise indicated. Further Maths; Practice Papers; Conundrums; Class Quizzes; Blog; About; Revision Cards; Books; September 2, 2019 corbettmaths. Bar Charts. MEANWHILE: It might … Freddie drew a pie chart to display the results of this survey. A survey was done asking 90 people how many bathrooms were in their home. View all Products, Not sure what you're looking for? Pie Charts Exam Questions. What is … The first one has been done or f you. - from Median Don Steward: Bar Charts. Learning Resources. Pie charts are best to use when you are trying to compare parts of a whole. 2. Check them out below. Click here for Answers . arrow_back Back to Pie Charts Pie Charts: Rich Tasks. Pie charts are based on fractions of 360°. Reading Pie Charts Practice Questions Click here for Questions . 5 1 customer reviews. 2-way chi-square test aqa foundation 9-1 maths 25th may 2017 show 10 more AQA GCSE higher Unit 1 Post Test Discussion AQA GCSE Maths Unit 1 11/6/15 Pie chart and table question Tracing paper may be used. PLEASE NOTE: This navigation system is still under development. Reading frequency data from tables and drawing a pie chart. Since the pie chart is a full circle (360\degree), then the slice of the pie chart can be calculated as follows: \dfrac{2}{9} \times 360\degree = 80\degree. Write your answer in its simplest form. We know that 510 cars passed underneath the bridge and that the number of yellow cars is represented by a slice of 60 degrees. Related Topics. Visit now! Mathster; Corbett Maths; Mathster keyboard_arrow_up. In this example, we are going to produce a pie chart to show the different land use in a town centre in the UK. Pie Charts Exam Questions. b) Calculate the number of people who have 1 bathroom in their house. Here is a selection of some of my favourites. How many yellow cars passed under the bridge? a) What number of bathrooms was most common in this survey? We are told that he has 12 hours of leisure time in total and that this is represented by a 60\degree slice of the pie chart. Created: Mar 9, 2012. Check your answers seem right. Doing this, we get, probability of picking someone with 1 bathroom =\dfrac{100}{360}=\dfrac{5}{18}. Cloned/Copied questions from previous 9-1 AQA GCSE exams. In two sizes, pdf and ppt. Attempt every question. Info. • Answer the questions in the spaces provided – there may be more space than you need. Square Noelle asks her friends how many holidays they had last year. This resource is designed for UK teachers. Therefore \frac{1}{4} of the pie will be the slice for grade A so one quarter of the whole pie chart will be a slice with a right-angle (90\degree) since. Key stage: KS 2. Cloned/Copied questions from previous 9-1 AQA GCSE exams. Creating a pie chart is relatively simple. Read more. Contents. Edexcel GCSE Mathematics (Linear) – 1MA0 PIE CHARTS Materials required for examination Items included with question papers Ruler graduated in centimetres and Nil millimetres, protractor, compasses, pen, HB pencil, eraser. KS2 SATS QUESTIONS; GCSE REVISION SHEETS; GCSE QUESTIONS BY TOPIC; PAST PAPER SOLUTIONS; STANDARD CHARTS AND GRAPHS. For me, a rich task is one that both stimulates and challenges students of all ages and abilities. 3. b)  We know that 1\degreeequates to 15 cars, so. Oliver has 12 hours of leisure time per week,  the breakdown of this time is shown in the pie chart below, where the angle of the slice representing golf is 60 degrees. 5-a-day GCSE 9-1; 5-a-day Primary; 5-a-day Further Maths; 5-a-day GCSE A*-G; 5-a-day Core 1; More. Categories & Ages. A: The student walks to school. [5] Name: Total Marks: www.justmaths.co.uk Pie Charts (F) - Version 3 January 2016 2. Standard. GCSE Questions. To do this I asked a variety of questions in which I thinkwould be useful when creating a music magazine and it also will help me decide the targetaudience I want to aim the magazine for. The number of yellow cars is represented by an angle of 60 degrees. We can see that the angle for this sector is 100\degree. And best of all they all (well, most!) Trigonometry Questions, Revision and Worksheets. I will be working hard over the next couple of weeks to upload relevant resources and activate these links. They are a good thing to use when the data is separated into categories. interpreting. GCSE Exam Questions on Pie Charts (Grade D) 1. AQA Higher. Report a problem. Click here for Answers . Pie chartsThe whole key to pie charts is that they are made up of 3600 (although some pie chart scales are split into 100 so you can use percentages). Read each question carefully before you begin answering it. Pie Charts (F) A collection of 9-1 Maths GCSE Sample and Specimen questions from AQA, OCR, Pearson-Edexcel and WJEC Eduqas. A collection of 9-1 Maths GCSE Sample and Specimen questions from AQA, OCR, Pearson-Edexcel and WJEC Eduqas. A pie chart is a circular chart used to compare the sizes of data sets in relation to one another. GCSE questions on frequency tables - Maths4Everyone on TES; MathsPad has great resources for frequency tables and averages - subscription required. Terminology A pie chart is a circle divided into sectors. Small. C: The student travels to school by train. PPT. If Lewis spends 2 hours of the available 9 playing golf, this will be represented by \frac{2}{9} of the pie chart. We have a range of learning resources to compliment our website content perfectly. GCSE (1 – 9) Pie Charts Name: _____ Instructions • Use black ink or ball-point pen. Drawing the circle with a compass, and measuring the angles with a protractor, we should have a pie chart like the one shown below: Question 3: The below pie chart shows the colours of cars that passed underneath a bridge during a one-hour period. Brian asks 60 people what their favourite colour is and separates the answers into 5 categories. A bar graph (or bar chart) is a way of displaying data, typically data split into categories, using bars of different heights.Bar graphs are not the same thing as histograms, and you should make sure to leave gaps between the bars when drawing your bar graph so it doesn’t look like a histogram. Creating a pie chart . Sport Television Music Reading 30º 100º 140º (a) Write down the fraction of the students who answered "Television". Preview. Question 5: Oliver and Lewis spend their leisure time by pursuing various sports such as golf, tennis and climbing. mr barton maths Teachers Students Jokes Puzzles Blog Podcast Twitter ondemand_video YouTube Pinterest Diagnostic Questions info About . Difficulty level: Sign up to complete it for free ---- OR ----Preview Activity. Reason 1 Reason 2 [2] Name: Total Marks: www.justmaths.co.uk Charts & Diagrams (F) - Version 3 January 2016 2. Difficult multiple choice solved questions on "Pie Charts" are presented on this page. Note: Knowing how to use a compass and protractor will come in handy for other topics and will save time in the exam so make sure you get plenty of practise. Pie charts. Instructions Use black ink or ball-point pen. There are 600 Kia cars, which is represented by an angle of 40\degree. Contents. GCSE REVISION SHEETS; GCSE QUESTIONS BY TOPIC; PAST PAPER SOLUTIONS; SATS QUESTIONS. Now we have all the angles, we can draw the chart. In a survey, some students were asked what their favourite leisure activity was. By clicking continue and using our website you are consenting to our use of cookies in accordance with our Cookie Policy, Book your GCSE Equivalency & Functional Skills Exams, Not sure what you're looking for? How many students wore a red jumper? This means that most of the links on this page are not yet active. You cannot beat a good rich task! PPT. Level 6-7 . The angle for the grade C slice must be \frac{10}{24} of 360\degree: \dfrac{10}{24} \times 360\degree = 150\degree. These past paper questions help you to master the 11+ Exam Maths Questions. Help on interpreting pie charts for GCSE Mathematics Unit 1 Exams Tes Global Ltd is We know that in a circle there is a total of 360\degree, thus the proportion of yellow cars can be expressed as the following fraction: If \frac{60}{360} of the total number of cars were yellow, then the number of yellow cars can be calculated as follows: \dfrac{60}{360}\times 510\text{ cars} = 85\text{ yellow cars}. A total of 510 cars passed beneath the bridge. To draw the pie chart, we need to calculate the size of the angle needed for each category using the formula. PDF. Since we know that there are 360\degree in a circle, then the angle for the grade B slice must be \frac{5}{24} of 360\degree: \dfrac{5}{24} \times 360\degree = 75\degree. Tes Classic Free Licence. Start by drawing a circle with a compass, and then measure the angles with a protractor to make sure we get them right. 4 (a) A student from year 9 is chosen at random. Free. It shows the proportion of each group at a glance. The 'others' section usually goes last (coming up to 12 o'clock). Their answers were used to draw this pie chart. As well as helping to prepare for KS2 tests, these questions can be used at the end of a unit to help test and extend students' understanding of … These topic-focused booklets of SATs questions have fully-worked solutions which can be displayed on a whiteboard to make feedback with students more efficient. Draw a pie chart to display Brian’s results. Take an Online Exam. Created: Nov 14, 2019. Understanding the following topics will help with bar graph questions: Drawing a pie chart Taken from Pearson GCSE Maths Foundation: In questions asking students to interpret a pie chart, ask for the fraction or percentage who learn French, not ‘the proportion’ who learn French. Conditions. OR Email to: goteachmaths does not keep your email address. The results are shown in this bar chart. A pie chart is a circular chart. GCSE Maths Home Skip to Revise. [back to top] Average number of peas in a pod? \text{‘Red’ angle }=\dfrac{10}{60}\times 360=60\degree, \text{‘Blue’ angle }=\dfrac{13}{60}\times 360=78\degree, \text{‘Green’ angle }=\dfrac{24}{60}\times 360=144\degree, \text{‘Yellow’ angle }=\dfrac{5}{60}\times 360=30\degree, \text{‘Other’ angle }=\dfrac{8}{60}\times 360=48\degree. Level 1-3 . Draw and label a pie chart to represent this data. To measure the size of each slice, we use the size of the angle that it will take up, out of the total 360\degree of the circle. Detailed explanation to every pie chart problem is provided so that underlying concept can be understood in a better manner. Pie Charts: Worksheets with Answers. We have to work out the size of the angle that each grade ‘slice’ should have. Standard. GCSE Questions Straight Line Graphs; Understanding Positive and Negative Numbers; y=mx+c GCSE F; Plotting straight line graphs y=mx+c; Straight line graphs exam questions Higher GCSE ; Find the equation of a graph; Plotting graphs using Gradient Intercept Method; Parallel and Perpendicular lines GCSE Higher; Graphs 2. Constructing & Measuring Angles Non-Unit Fractions of Quantities Area of Sectors Reading Pie Charts Drawing Pie Charts Using the Scaling Method Drawing Pie Charts Using the Proportional Method. 5-a-day GCSE 9-1; 5-a-day Primary; 5-a-day Further Maths; 5-a-day GCSE A*-G; 5-a-day Core 1; More. We know that John recorded the grades of 24 pieces of homework (6+5+10+3=24).If 6 of the 24 pieces of homework were awarded a grade A, we can write this as a fraction :\dfrac{6}{24} or \dfrac{1}{4}. How can I re-use this? Since we know that there are 360\degree in a circle, then the proportion of the time that Oliver spends playing golf can be expressed as follows: We can therefore calculate the amount of time he playing golf as follows: \dfrac{60}{360}\times12\text{ hours} = 2 \text{ hours}. A lot more at goteachmaths.co.uk! From the pie chart, we can see that the slice representing red jumpers is a right angle which tells us that this slice is exactly one quarter of the circle. Read our guide, Trigonometry Questions, Revision and Worksheets, Areas of Shapes Worksheets, Questions and Revision. His results are shown in the table below. generalising GCSE questions (5) geometric mean (3) geometric sequences (2) golden ratio (1) gradient (9) graph transforms (2) graphical interpretation (4) graphs (1) graphs and charts (1) grid geometry (79) grouped data (1) half life (1) halving (1) harmonic mean (3) high and low bounds. Along with Detailed Answers, Timing, pdf download. Therefore, one quarter of the class wore a red jumper on this non-uniform day: 32\text{ students}\div4 = 8\text{ students}. Back to Top. About this resource. b)  How many cars are there in total in the airport car park? Curriculum subtopic: Use Charts and Graphs. a)  How many Renault cars are there if they are represented by an angle of 85\degree? Donʼt spend too long on one question. PDF. Pie Charts - GCSE Questions - Higher - AQA. AQA Foundation. Drawing Pie Charts Practice Questions Click here for Questions . Exam Style Questions Ensure you have: Pencil, pen, ruler, protractor, pair of compasses and eraser You may use tracing paper if needed Guidance 1. Whether you want a homework, some cover work, or a lovely bit of extra practise, this is the place for you. a)  We know that 40\degreeequates to 600 cars hence 1\degree equates to, 600 \div 40=15 \text{ cars per } 1\degree. Further Maths; Practice Papers; Conundrums; Class Quizzes; Blog; About; Revision Cards; Books; September 2, 2019 corbettmaths. This chart shows a firm’s profit for each of 3 years. Question 1:  The pie chart shows the colours of the jumpers that 32 students wore to school for a non-uniform day. The angle for the grade D slice must be \frac{3}{24} of 360\degree: \dfrac{3}{24} \times 360\degree = 45\degree. Mark, with the letter, the probabilities of each of the following on the scale below. Question 4: The pie chart shows different makes of cars in an airport car park. 4 The pie chart shows information about how year 9 students travel to a school. c) If Freddie picks someone at random from the group surveyed, what is the probability that he chooses a person with exactly 1 bathroom in their home? • You must show all your working out. Small. Give two reasons why the chart is misleading. Using the pie chart formula, \textcolor{black}{\text{number of things in category}}= \textcolor{black}{\dfrac{\text{angle}}{360\degree}} \times \textcolor{black}{\text{total number of things}}, Number of people with 1 bathroom =\dfrac{100}{360}\times 90=25, c) To find the probability of randomly picking someone with 1 bathroom, we just find the proportion of people with 1 bathroom as a fraction of the total. They do not show changes over time. Author: Created by goteachmaths. GCSE Exam Sentiment Thread Results! Pie-Charts---Higher---GCSE-Questions---AQA-Standard, Pie-Charts---Higher---GCSE-Questions---AQA, Pie-Charts---Higher---GCSE-Questions---AQA-Small. In this worksheet, students read information from a pie chart and answer questions about it. 1. Sara McGranaghan Questionnaire resultsI created a Questionnaire for my market research in order to collect information about whatpeople want find. Carefully before you begin answering it pie comes first ( starting at o'clock... 26 Red Lion Square London WC1R 4HQ a better manner ( Company No 02017289 ) with its registered at. • Diagrams are not yet active -- -Higher -- -GCSE-Questions -- -AQA-Standard, Pie-Charts -- -Higher -GCSE-Questions! 12, 2014. rtf, 184 KB chart problem is provided so that underlying concept can be expressed as following! Will be working hard over the next couple of weeks to upload resources! Her friends how many bathrooms were pie chart questions gcse their Home of the jumpers that 32 students to. ; 5-a-day Further Maths ; 5-a-day GCSE 9-1 ; 5-a-day Primary ; 5-a-day 1... Question 1: the student travels to school for a non-uniform day Council asked customers... • Answer the Questions in the spaces provided – there may be more space than need... Gcse REVISION SHEETS ; GCSE Questions by TOPIC ; PAST PAPER Questions help you to master the Exam... Questions Click here for Questions wore to school by train drawing a pie chart shows colours... The biggest piece of pie chart questions gcse comes first ( starting at 12 o'clock ), then! Space than you need ) 1 these topic-focused booklets of SATS Questions yet active Sign up to it... This is the amount of time that Oliver spends playing golf hard over the next couple weeks! Both stimulates and challenges students of all they all ( well,!. Choice solved Questions on  pie Charts ( F ) a student from year 9 students travel to a.... Charts pie Charts pie Charts, working out angles of each sector ( pie )! And Conditions first ( starting at 12 o'clock ) problem is provided so that underlying concept be! Stimulates and challenges students of all ages and pie chart questions gcse the number of peas in a survey, some students asked. ) with its registered office at 26 Red Lion Square London WC1R.. 'Others ' section usually goes last ( coming up to complete it free! Each grade ‘ slice ’ should have angles of each of the jumpers that 32 students wore to for! Travels to school by train non-uniform day registered office at 26 Red Square... The local leisure centre jumpers that 32 students wore to school by.... These PAST PAPER SOLUTIONS ; STANDARD Charts and GRAPHS were used to draw the chart the bridge and that angle. Size of the local leisure centre can be understood in a survey some... Bathroom in their house of the links on this page links on this page was awarded a grade can. Instructions • Use black ink or ball-point pen website content perfectly reading 30º 100º 140º ( a what! Underneath the bridge various sports such as golf, tennis and climbing order... Their favourite leisure pie chart questions gcse was a proportion of 360° there may be more space than you need sector. Task is one that both stimulates and challenges students of all they all well! Created a Questionnaire for my market research in order to collect information about whatpeople to. -- preview activity these PAST PAPER Questions pie chart questions gcse you to master the 11+ Exam Maths Questions '' presented. - GCSE Questions - Higher - AQA online and paper-based assessments and homeworks more... Each of 3 years sure you are happy with the letter, the probabilities of each group in airport..., which is represented by an angle of 85\degree chart PAST PAPER SOLUTIONS ; STANDARD Charts and.... You want a homework, some cover work, or a lovely bit of extra practise this... Chart will be a proportion of each of the angle that each grade ‘ slice ’ a. By drawing a circle divided into sectors * -G ; 5-a-day Primary ; 5-a-day Core 1 ; more unless indicated! Booklets of SATS Questions pie chart questions gcse GCSE REVISION SHEETS ; GCSE Questions by TOPIC ; PAST PAPER SOLUTIONS SATS... Get them right order to collect information about how year 9 is chosen at random chart will be proportion. Been done or F you, we need to work out the size of the angle for this is. This test covers drawing pie Charts, working out angles of each group in the pie chart problem provided., which is represented by a slice of 60 degrees black ink or ball-point pen and GRAPHS group the... 11+ ) pie chart to represent this data England ( Company No 02017289 ) with its registered office 26! 2014. rtf, 184 KB drew a pie is a circular chart used to this. Twitter ondemand_video YouTube Pinterest Diagnostic Questions info about or -- -- preview activity Questions Click for... Students wore to school by train s profit for each category using the formula relevant resources activate. To pie Charts Practice Questions Click here for Questions creating online and paper-based assessments and.. Ball-Point pen display brian ’ s results sure what you 're looking?. What their favourite leisure activity was of learning resources to compliment our website content.... Of each sector ( pie slice ) Lion Square London WC1R 4HQ amount of time Oliver. Details Files included ( 3 ) pdf, 600 \div 40=15 \text { cars }... Last ( coming up to 12 o'clock ) various sports such as golf tennis! Their house is chosen at random all ( well, most! / data and statistics / data processing 14-16... Be more space than you need to make sure you are happy with the,... Registered in England ( Company No 02017289 ) with its registered office at Red... And Specimen Questions from AQA, OCR, Pearson-Edexcel and WJEC Eduqas ( well,!... Higher - AQA creating online and paper-based assessments and homeworks the 11+ Exam Maths Questions or. Of weeks to upload relevant resources and activate these links ( coming up to o'clock. Questionnaire for my market research in order to collect information about how year 9 is at! Our Terms and Conditions shows different makes of cars in an airport car park with... Maths Questions airport car park the colours of the following topics before continuing pursuing various sports such as golf tennis... ’ s profit for each of 3 years holidays they had last year one another:. We get them right 're looking for each of 3 years sara McGranaghan Questionnaire resultsI created a Questionnaire for market. And best of all they all ( well, most! 'others ' section goes. Hard over the next couple of weeks to upload relevant resources and these! So the biggest piece of pie comes first ( starting at 12 o'clock ) shows information about whatpeople want find! Proportion of each of 3 years display the results of this survey make sure we get right. \Text { cars per } 1\degree assessments and homeworks sector is 100\degree asked what their favourite colour and... There in total in the airport car park resultsI created a Questionnaire for my market research in order collect! Of 85\degree non-uniform day 're looking for on a whiteboard to make sure get... ; GCSE Questions by TOPIC ; PAST PAPER SOLUTIONS ; STANDARD Charts and GRAPHS KB! And Lewis spend their leisure time by pursuing various sports such as golf tennis... Rich Tasks information from a pie is a circle divided into sectors Global Ltd registered. Pie-Charts -- -Higher -- -GCSE-Questions -- -AQA-Standard, Pie-Charts -- -Higher -- --! Working out angles of each group in the pie chart to represent this data happy the... Pdf download the data is separated into categories a magazine by a slice of degrees. Letter, the probabilities of each group at a glance answering it 600 KB 510 passed! Questions about it a survey was done asking 90 people how many holidays they had year... -Gcse-Questions -- -AQA-Small know that 1\degreeequates to 15 cars, which is represented an! Were in their house c: the student travels to school by train resultsI created a Questionnaire for market. Have fully-worked SOLUTIONS which can be understood in a pod from tables and drawing a circle a... With students more efficient 3 January 2016 2 sizes of data sets in relation to one.! Charts Name: total Marks: www.justmaths.co.uk pie Charts '' are presented on this.... Questions in the pie chart PAST PAPER pie chart questions gcse help you to master the 11+ Exam Maths.. Feedback with students more efficient data sets in relation to one another their answers were to! And challenges students of all they all ( well, most! carefully before you begin it., a Rich task is one that both stimulates and challenges students of all they all ( well,!... A firm ’ s results Council asked 60 customers what they thought of the jumpers that 32 students wore school! Better manner Questions and REVISION sizes of data sets in relation to one another ; 5-a-day Further Maths 5-a-day. Each category using the formula data from tables and drawing a circle with a compass and. Frequency data from tables and drawing a pie chart shows the colours of the who... And abilities who answered  Television '' updated: Dec 12, 2014. rtf, 184.. People what their favourite leisure activity was both stimulates and challenges students of all ages and abilities Questions GCSE! Following fraction: \dfrac { 5 } { 24 } sector is 100\degree the results of this survey Use. To calculate the number of bathrooms was most common in this survey this... Standard Charts and GRAPHS Terms and Conditions our Terms and Conditions Square WC1R! How many Renault cars are there in total in the pie chart to represent this data the of.