Mastering Graphs: Calculate Differences & Interpret Data

A bar graph shows the number of books read by students in a month. Sarah read 15 books, and Tom read 10 books. How many more books did Sarah read than Tom?

• 10

• 5

• 20

• 7

The line graph displays the temperature over a week. On Monday, the temperature was 20°C, and on Friday, it was 25°C. What is the difference in temperature between these two days?

• 5°C

• 15°C

• 3°C

• 10°C

A pie chart represents the favorite fruits of a class. 40% of students chose apples, and 30% chose bananas. How many more students preferred apples than bananas if there are 30 students in total?

• 3 students

• 5 students

• 2 students

• 4 students

In a bar graph showing the number of pets owned by families, the label for dogs shows 12 and for cats shows 8. How many more dogs are there than cats?

• 2

• 4

• 6

• 10

A line graph tracks the distance a runner covers each day. On day one, the runner covered 3 miles, and on day four, they covered 5 miles. What is the difference in distance covered between these two days?

• 4 miles

• 3 miles

• 1 mile

• 2 miles

The graph shows the sales of lemonade over four weeks. Week one had sales of 50 cups, and week four had sales of 80 cups. How many more cups were sold in week four compared to week one?

• 30 cups

• 20 cups

• 50 cups

• 40 cups

A bar graph shows the number of hours students study each week. Emily studies for 10 hours, while Jake studies for 15 hours. How many fewer hours does Emily study than Jake?

• 10

• 3

• 15

• 5

The line graph shows the height of a plant over five weeks. At week two, the plant was 10 cm tall, and at week five, it was 15 cm tall. What is the increase in height from week two to week five?

• 10 cm

• 3 cm

• 7 cm

• 5 cm

A pie chart shows the distribution of sports played by students. 25% play soccer, and 50% play basketball. How many more students play basketball than soccer if there are 40 students?

• 5 students

• 10 students

• 20 students

• 15 students

The bar graph shows the number of tickets sold for a concert. On the first day, 200 tickets were sold, and on the second day, 300 tickets were sold. How many more tickets were sold on the second day?

• 300

• 200

• 100

• 150