Tutorial
GCSE Maths: Pie Charts
Learn how to construct a pie chart from a frequency table and how to interpret information from a given pie chart.
Tutorial
GCSE Maths: Pie Charts
Learn how to construct a pie chart from a frequency table and how to interpret information from a given pie chart.
Management & Tools
Deck Contents
25 CardsLesson#1
Welcome to this deck on pie charts. A pie chart is a circular graph that shows how a total amount is divided into different categories. It's great for showing proportions, or what fraction of the whole each category represents.
Lesson#2
Because a pie chart is a circle, it's all about angles. A full circle has 360 degrees. This total of 360 degrees represents the total frequency of all your data combined.
Quiz#3
What is the total angle in a pie chart?
360 degrees
Lesson#4
To draw a pie chart from a frequency table, you need to calculate the angle for each category's sector. The first thing you must do is add up all the frequencies to find the total frequency.
Quiz#5
What is the first step when calculating the angles for a pie chart from a frequency table?
Find the total frequency
Lesson#6
Once you have the total frequency, you can find the angle for each category. The formula is the frequency of the category, divided by the total frequency, all multiplied by 360.
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