8th Grade Graphs

Open Ended

How can graphs be beneficial to students?

Poll

How much experience do you have with reading graphs?

• I feel like an expert.

• I'm good at it, but not perfect.

• I have some experience, but I need more work with them.

• Graphs? What are those?

Let's take a look at the major parts of a bar graph.

What information can we gather by looking at this graph?

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Labelling

Can you label the different parts of the bar graph?

Drag labels to their correct position on the image

x axis

y axis

• Independent variable- typically plotted on the x-axis (horizontal)

  • The variable being manipulated or changed

• Dependent variable is plotted on the y-axis (vertical). 

  • The variable that is measured or observed

• NOTE: On a horizontal bar graph, the dependent and independent variables usally switch places.

Dropdown

The​

Select answer

variable tells the type of animals a person might own. The​

Select answer

variable tells the number of people who own that type of pet.

Drag and Drop

​

Placeholder

would represent the independent variable, and​

Placeholder

would represent the dependent variable.

Drag these tiles and drop them in the correct blank above

Favorite colors

number of students

Multiple Choice

According to the graph, which of the following is true?

• Height remains constant with age.
• Height decreases with age.
• Height increases with age.
• Height varies randomly with age.

Dropdown

According to the graph, City 1 had the lowest amount of rainfall in​

Select answer

. City 2 had the highest amount of rainfall in​

Select answer

.

Multiple Choice

According to the graph, which statement is true?

• Scones sold the most on Friday.
• Muffins sold the least on Sunday.
• Cookies sold the most on Saturday.
• Muffins sold the most on Sunday.

Multiple Choice

According to the scatter plot, how many hours did the student have to study to achieve a score higher than 75 percent?

• at least 30 hours

• at least 25 hours

• at least 15 hours

• at least 10 hours

Multiple Choice

Based on the scatter plot, what conclusion can we draw about the relationship between studying and scores?

• Scores decrease as studying increases.
• Studying negatively impacts scores.
• There is no correlation between studying and scores.
• Scores increase as studying increases.

Multiple Choice

About what percent of cats were purchased from World of Pets?

• 50%
• 10%
• 25%
• 75%

Match

Match the picture of each graph to its name.

pie chart

line graph

histogram

bar graph

scatterplot

• pie chart

• line graph

• histogram

• bar graph

• scatterplot

Poll

After this lesson, how comfortable are you with identifying and reading graphs?

• Give me the test right now! I got this.

• I'm feeling pretty good, and I am pretty sure I could pass a test over it.

• I kind of get it, but I need and want more practice.

• Can you start over, because I am totally lost.