Great GraphsGreat Graphs

Ms. DouvisMs. Douvis

Third GradeThird Grade

All graphs need... All graphs need...

• A titleA title

• A legendA legend• Two axes (x and y) labeled Two axes (x and y) labeled (except (except

pie graphs)pie graphs)

• Information/DataInformation/Data

3 Types of Graphs3 Types of Graphs

• Bar GraphsBar Graphs

• Pie GraphsPie Graphs

• Line Graphs Line Graphs

Bar GraphsBar Graphs

Information/data is displayed in the form of rectangular bars. The bars can run horizontally (across) or vertically (up and down).

Subjects we love best!

0 5 10 15

math

reading

p.e.

computersS

ub

ject

# of students

Subjects we love best!

math reading p.e. computers

Pie GraphsPie GraphsInformation/data is Information/data is displayed in a displayed in a circular form (pie) circular form (pie) and divided into and divided into sections (slices) to sections (slices) to show different show different quantities.quantities.

Line GraphsLine Graphs

Information/data is Information/data is displayed in the displayed in the form of dots which form of dots which are then connected are then connected be lines.be lines.

Subjects we love best!

02468

101214

math reading p.e. computers

Subject

# of

stu

dent

s

Why We Use GraphsWhy We Use Graphs

• Graphs are a way of displaying Graphs are a way of displaying information and data.information and data.

• Graphs are a way of organizing Graphs are a way of organizing information and data.information and data.

• Graphs allow us to analyze Graphs allow us to analyze information and data. information and data.

Analyze This!Analyze This!By looking at the bar graph make as many observations as you can.

What We Had For Lunch

0 2 4 6 8 10

sandwich

chile

yogurt

pizza

Ite

m

# of students

Possible QuestionsPossible Questions

• How many students were asked about what they had How many students were asked about what they had for lunch?for lunch?

• Which item did most students have for lunch?Which item did most students have for lunch?

• Which item was least popular at lunch?Which item was least popular at lunch?

• Which item should the cafeteria order more of?Which item should the cafeteria order more of?

• Did any of the items tie?Did any of the items tie?

• How many students ate yogurt? Pizza? Sandwich? How many students ate yogurt? Pizza? Sandwich? Chile?Chile?

• Which new item would you like added to the menu? Which new item would you like added to the menu? Make a new graph!Make a new graph!