SDAP 1.2 Organize and display single-variable data in appropriate graphs
and representations (e.g., histogram, circle graphs) and explain
which types of graphs are appropriate for various data sets.
UNDERLYING SKILLS AND CONCEPTS:
understand parts of a graph;
interpret graphs
Make a Circle Graph
A circle graph can be used to show different pieces of information.
It can be used to compare data.
Make a circle graph for this data.
First find the total number of students. 7 ! 7 ! 14 " 28
How many students buy a sandwich? 7
1
7
What fraction of the students buy a sandwich? # or #
28
4
How many students bring a sack lunch? 7
1
7
What fraction of the students bring a sack lunch? # or #
28
4
How many students buy a hot lunch? 14
14
1
What fraction of the students bring a hot lunch? # or #
28
2
Type
School
Lunch
Sack Lunch
Hot Lunch
Sandwich
Number
of
Students
7
14
7
E – © CSL Associates, Inc. All rights reserved.
E x am p l E
1
Since # of the students bring a hot lunch,
2
shade half of the circle and label that half "Hot Lunch."
1
Since # of the students buy a sandwich,
4
1
shade # of the circle and label it “Sandwich.”
4
1
Label the remaining # of the circle “Sack Lunch.”
4
page 242
Chapter 21 – Lesson 1
Name
P RAC T I C E
Make a circle graph for each set of data.
1.
Drama Club
Boys
5
Girls
E – © CSL Associates, Inc. All rights reserved.
2.
3.
15
Ways We Come to School
Walk
6
Bike
6
Car
6
Bus
12
Favorite Activity
Type
School
# of Students
6
Crafts
12
Sports
18
Math
Reasoning
Make a Circle Graph
MR 3.3
4. Explain how to make a circle graph.
Possible answer: Find the total number of items. Then find what
fraction of the total each category is. Then divide the circle into parts
so that you can show each fraction. Label each category.
Chapter 21 – Lesson 1
page 243
MCX94.HW.CL.G5.FM&Lesson.v211
8/2/04
18:03
Page 162
Name
P RAC T I C E
…at home!
Make a circle graph for each set of data.
Chess Club
Boys
25
Girls
2.
3.
15
Exercise We Like
Walk
8
Bike
8
Swim
10
Roller Blade
14
Favorite Activity
Type
Movies
# of Students
18
Crafts
6
Sports
12
Math
Reasoning
Make a Circle Graph
MR 3.3
4. Explain how to make a circle graph.
Possible answer: Find the total number of items. Then find what
fraction of the total each category is. Then divide the circle into parts
so that you can show each fraction. Label each category.
page 162
Home Resource and Homework
Chapter 21 Lesson 1
E – © CSL Associates, Inc. All rights reserved.
1.
MCX94TEG5CH01_32.v7.4.2 2/24/01 19:48 Page 447
Name
P RAC T I C E
Make a circle graph for each set of data.
1.
Drama Club
Boys
5
Girls
Boys
15
Girls
E – © CSL Associates, Inc. All rights reserved.
2.
3.
Ways We Come to School
Walk
6
Bike
6
Car
6
Bus
12
Walk
Bus
Bike
Car
Favorite Activity
Type
School
# of Students
6
Crafts
12
Sports
18
Math
Reasoning
School
Crafts
Make a Circle Graph
Sports
MR 3.3
4. Explain how to make a circle graph.
Possible answer: Find the total number of items. Then find what
fraction of the total each category is. Then divide the circle into parts
so that you can show each fraction. Label each category.
Chapter 21 – Lesson 1
Student Book Page
page 243
Name
…at home!
P RAC T I C E
Make a circle graph for each set of data.
1.
Chess Club
Boys
25
Girls
Girls
15
Boys
3.
Exercise We Like
Walk
8
Bike
8
Swim
10
Roller Blade
14
Walk Roller
Blade
Bike
Swim
Favorite Activity
Type
Movies
# of Students
18
Crafts
6
Sports
12
Math
Reasoning
Crafts
Movies
Sports
Make a Circle Graph
MR 3.3
4. Explain how to make a circle graph.
Possible answer: Find the total number of items. Then find what
fraction of the total each category is. Then divide the circle into parts
so that you can show each fraction. Label each category.
page 162
Home Resource and Homework
Chapter 21 Lesson 1
E – © CSL Associates, Inc. All rights reserved.
2.