Pie Chart

Presentation

•

Mathematics

•

5th - 12th Grade

•

Hard

Joseph Anderson

FREE Resource

13 Slides • 15 Questions

Pie charts

Learning objectives

To understand pie charts
How to calculate the degrees of each segment
How to write it as a fraction

Before we get into the math

lets look at some basic pie charts and retrieve information

Multiple Choice

Which animal is the most popular?

dog

parrot

hamster

Multiple Choice

Which animal has

\frac{1}{4}

of the pie chart.

hamster

dog

cat

Lets step up!

Multiple Choice

The pie chart represents 40 children. How many children chose summer?

Multiple Choice

How many children chose spring?

Multiple Choice

How many children chose spring?

How do we calculate the proportion of the pie that each bit of data should take?

Here is a table

It shows us how 60 people voted in a favourite takeaway poll.

How do we put this into an accurate pie chart?

What do we know?

Think about it..

Now we can work out how many degrees are in each group.

We do this by multiplying the number of people who are in the group by the number of degrees each person is worth.

Multiple Choice

Quick fire division
$\div90=$

Multiple Choice

How many degrees in a full turn?

$180\degree$

$270\degree$

360 $\degree$

Multiple Choice

$360\div40=$

The best thing to master pie charts is:

Practice
Practice
and practice!
Lets have a go!

Multiple Choice

How many degrees is the spring angle?

$90\degree$

$45\degree$

60 $\degree$

Multiple Choice

90 students answer a survey, How many degrees does each student represent?

$3\degree$

4 $\degree$

6 $\degree$

Multiple Choice

A PIE Chart is created using

Cherries

Apples

Data

Cars

Multiple Choice

A darts player hits his target 40% of the time. Which pie chart represents his hits and misses?

Multiple Choice

How many birds are represented by the green sector?

Multiple Choice

Which Continent is home to 36% of the wild cats?

Asia

Africa

North America

South America

Multiple Choice

Students were surveyed about their favorite sports to play in phys.ed. The results are represented in this circle graph. If 48 students were surveyed, how many chose soccer?

Phew! Done!

Don't forget! Hegarty, Q & A, RYG!

Pie charts

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