Pie Charts

Presentation

•

Mathematics

•

12th Grade

•

Easy

Rachel Mc Namee

Used 2+ times

FREE Resource

4 Slides • 7 Questions

Introduction to Pie
Charts

A fundamental tool for visualizing proportions

by Rachel McNameeRA

Open Ended

What are the advantages of using pie charts?

Type response here

Advantages of Using Pie Charts

Simple Data
Representation

Easy to understand

proportions and

percentages

Effective for
Comparing
Categories

Clear visualization of

how parts relate to the

whole

Visually Striking

Eye-catching and

memorable for

presenting key data

Drawing a Pie Chart

Step 1
Calculate the total

Step 2
Calculate the angle for each segment using the formula

Step 3
Angle = (Data Value /
Sum of Values) x 360

How to Calculate the Angles of a
Pie Chart

Example Calculation

Angle = (Data Value / Sum of Values)

x 360°

Example Calculation

5 ÷ 15 x 360 =119.9°

Rounded to 120°

Multiple Choice

How many birds are represented by the green sector?

Multiple Choice

What angle would you use to represent 40 red cars out of 90 cars in total on a pie chart?

40 degrees

160 degrees

4 degrees

90 degrees

Multiple Choice

The pie chart shows the colours of 32 beads. How many green beads are there?

Multiple Choice

A PIE Chart is created using

Cherries

Apples

Data

Cars

Multiple Choice

This pie chart shows the colour of hats that Tom owns. Which colour hat does he own the second most of?

red

blue

green

yellow

Multiple Choice

Which Continent has the smallest % of wild cats?

Asia

Europe

North America

South America

Introduction to Pie
Charts

A fundamental tool for visualizing proportions

by Rachel McNameeRA

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