Calculations with Dot Plots, Bar Graphs, & Pie Charts

When you add up the percentages of a circle graph it should equal _____.

• 100%

• 50%

Students were surveyed on their favorite sport. Drag and drop values to create a proportion that could be used to solve for the percentage of students who picked basketball.

b

c

e

50

100

x

22

18

The following pie chart represents purchases made at a carnival. Drag and drop values to create a proportion that could be used to solve for the percentage of popcorn sales

d

b

a

20

100

x

2

In the bar graph, the total number of people who answer is ​ (a)   .

The number of people who selected drama is ​ (b)   .

• 20
• 100
• 50
• 1
• 2

Students were surveyed in the cafeteria on what instrument they played. The results are shown in the pie chart.

If Half the amount of students play clarinet than trumpet and half the amount of students play Tuba than trombone, determine the percentages for Tuba, Clarinet, and Other.

c

d

b

10%

5%

15%

20%

25%

There are 200 vegetable plants in a garden.  How many of the vegetable plants are green beans?

• 24

• 32

a graph that uses the length of bars to represent numeric values to compare categories

• bar graph

• dot plot

a graph that uses a circle to show how a whole is broken into parts

• line graph

• circle graph

a graph that uses dots above a number line to show the frequency of data

• line graph

• dot plot

How many more students like soccer than basketball?

• 10

• 17