Reading Pie Charts

Show your work for each problem.

1.
A pie chart shows favorite colors: Red 25%, Blue 35%, Green 20%, Yellow 20%. Which color is the most popular?
1. a)Yellow
2. b)Blue
3. c)Red
4. d)Green
Answer: Blue
Blue has 35%, which is the largest percentage. The bigger the slice, the more popular the choice.
2.
In a pie chart, all the slices together represent:
1. a)75%
2. b)100%
3. c)360%
4. d)50%
Answer: 100%
All slices in a pie chart add up to 100% because the whole circle represents 100% of the data.
3.
A pie chart shows: Pizza 40%, Pasta 25%, Salad 20%, Soup 15%. What percentage is Pizza?
Answer: 40
The pie chart clearly shows Pizza at 40%. This is the largest slice.
4.
A pie chart shows: Dogs 50%, Cats 30%, Birds 20%. What percentage chose Dogs?
Answer: 50
Dogs is shown at 50%, which is exactly half of the pie chart.
5.
Which slice represents the smallest amount in a pie chart showing: A 45%, B 30%, C 15%, D 10%?
1. a)B
2. b)D
3. c)C
4. d)A
Answer: D
D has only 10%, which is the smallest percentage. The smaller the percentage, the smaller the slice.
6.
A pie chart shows: Math 35%, Science 25%, History 20%, Art ?%. What percentage is Art?
Answer: 20
, so Art is .
7.
100 students were surveyed about their favorite subject. The pie chart shows Math at 40%. How many students chose Math?
Answer: 40
1. What is the total number of students? 100
2. What percentage chose Math? 40
3. Convert 40% to a decimal 0.4
4. Multiply: 40
8.
A pie chart shows how 200 people travel to work: Car 55%, Bus 25%, Bike 15%, Walk 5%. How many people take the bus?
Answer: 50
1. What is the total number of people? 200
2. What percentage takes the bus? 25
3. Convert 25% to a decimal 0.25
4. Calculate: 50
9.
Two slices of a pie chart show 25% each. Together they represent:
1. a)25%
2. b)100%
3. c)75%
4. d)50%
Answer: 50%
. Two quarter slices make half of the pie.
10.
A pie chart shows expenses: Rent 40%, Food 30%, Transport 20%, Entertainment 10%. If the total expenses are 500 dollars, how much is spent on Food?
Answer: 150
Food is 30% of total. dollars spent on food.
11.
A pie chart shows favorite seasons: Spring 20%, Summer 35%, Fall 25%, Winter 20%. Which season is most popular? Which two seasons together equal Summer's percentage?
Answer: Summer
1. Which season has the highest percentage? Summer
2. What is Summer's percentage? 35
3. Which two seasons add up to 35%? Try Spring + Fall No
4. Try Winter (20%) + Fall (25%)? No
5. Can any two seasons equal exactly 35%? No
12.
A school of 400 students took a survey. The pie chart shows: Basketball 30%, Soccer 25%, Tennis 20%, Swimming 15%, Other 10%. How many more students chose Basketball than Swimming?
Answer: 60
1. How many students chose Basketball? (30% of 400) 120
2. How many students chose Swimming? (15% of 400) 60
3. What is the difference? 60
13.
A pie chart shows how 250 people spend their weekend: Relaxing 40%, Sports 24%, Shopping 20%, Studying 16%. How many people go shopping?
Answer: 50
Shopping is 20%. people go shopping on weekends.
14.
A company has 800 employees. The pie chart shows departments: Sales 25%, Marketing 15%, Engineering 35%, Support 20%, HR 5%. How many employees work in Engineering and Sales combined?
Answer: 480
1. What percentage is Engineering + Sales? 60
2. Convert 60% to decimal 0.6
3. Calculate: 480
15.
A pie chart has 4 equal slices. Each slice represents:
1. a)10%
2. b)20%
3. c)50%
4. d)25%
Answer: 25%
With 4 equal slices: per slice. This is like cutting a pie into quarters.
16.
Last year, a store sold 600 items. This year, they sold 800 items. Both years had the same pie chart distribution: Electronics 40%, Clothing 35%, Books 25%. How many more Electronics items were sold this year compared to last year?
Answer: 80
1. Electronics last year: 40% of 600 = ? 240
2. Electronics this year: 40% of 800 = ? 320
3. Difference: 80