Reading Bar Graphs

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Class:

Date:

Show your work for each problem.

1.
A bar graph shows favorite colors. The bar for "Blue" reaches 15 on the scale. What does this tell us?
1. a)15 people chose blue
2. b)Blue costs 15 dollars
3. c)There are 15 colors total
4. d)Blue is the 15th color
2.
A bar graph shows pets owned by students. The Dog bar reaches 18 on the scale. How many students have dogs?
3.
In a bar graph, what does the vertical axis usually show?
1. a)The title
2. b)The categories
3. c)The colors
4. d)The numbers/values
4.
A bar graph shows apples sold each day: Monday (12), Tuesday (8). How many more apples were sold on Monday than Tuesday?
5.
A bar graph has a scale that goes: 0, 5, 10, 15, 20. What is the interval of this scale?
1. a)10
2. b)1
3. c)5
4. d)20
6.
A bar graph shows books read: Anna (9), Ben (6), Carla (12), Dan (3). What is the total number of books read by all students?
7.
A bar graph shows favorite sports: Soccer (20), Basketball (15), Tennis (10), Swimming (25). Which sport is the most popular and which is the least popular?
8.
A scale goes: 0, 10, 20, 30, 40. A bar stops halfway between 20 and 30. What value does this bar represent?
1. a)25
2. b)22
3. c)27
4. d)35
9.
A bar graph shows ice cream sales: Chocolate (35), Vanilla (28), Strawberry (17). How many more scoops of chocolate were sold than strawberry?
10.
A bar graph shows hours spent on hobbies: Reading (4), Gaming (7), Sports (5), Art (3). How many hours were spent on hobbies in total?
11.
A bar graph shows rainfall in mm: January (45), February (30), March (60), April (75). What is the average (mean) rainfall for these four months?
12.
A bar graph shows test scores with a scale that starts at 60 (not 0). The bars show: Student A reaches 85, Student B reaches 75. What is the ACTUAL difference in their scores?
1. a)25
2. b)10
3. c)20
4. d)15
13.
A bar graph shows votes for class president: Emma (42), Noah (38), Olivia (35), Liam (25). How many more votes did Emma and Noah together get than Olivia and Liam together?
14.
A bar graph shows weekly savings: Week 1 (8 euros), Week 2 (12 euros), Week 3 (5 euros), Week 4 (15 euros). If the goal is to save 50 euros in 5 weeks, how much must be saved in Week 5?
15.
A bar graph shows visitors to a museum each day. The tallest bar is twice as high as the shortest bar. If the shortest bar shows 45 visitors, how many visitors does the tallest bar show?
1. a)90
2. b)135
3. c)22
4. d)47