Name
LESSON
Date
Class
Problem Solving
10-1 Perimeter
Write the correct answer.
1. Use a ruler to find the perimeter of
your math textbook in inches.
2. Use a ruler to find the perimeter of
your desk in feet and inches.
3. The world’s largest flag weighs
3,000 pounds and requires at least
500 people to set up! This United
States flag is 505 feet long and
255 feet wide. What is the perimeter
of this United States flag?
4. Students in Lisbon, Ohio, built the
world’s largest mousetrap in 1998.
The mousetrap is 9 feet 10 inches
long and 4 feet 5 inches wide—and it
actually works! What is the perimeter
of the mousetrap in feet and inches?
Circle the letter of the correct answer.
5. The giant ball dropped every New
Year’s Eve in New York City is
covered with 504 crystal equilateral
triangles. The average perimeter
3
of each triangle is 154 inches. What
is the average side length of each
crystal triangle on the ball?
A 5 inches
6. United States dollar bills are
2.61 inches wide and 6.14 inches
long. Larger notes in circulation
before 1919 measured 3.125 inches
wide by 7.4218 inches long. What is
the difference between the old and
new dollar bill perimeters?
F 3.5936 inches
G 3.9536 inches
H 4.0956 inches
1
B 5 8 inch
1
C 5 4 inch
J 4.5936 inches
1
D 5 2 inch
8. Each Scrabble® tile is 1.8 centimeters
wide and 2.1 centimeters tall. If the
tiles spell the word LOVE, what is the
perimeter of the entire word?
F 7.8 cm
G 18.6 cm
H 12 cm
J 31.2 cm
7. The perimeter of regular octagonshaped swimming pool is 42 feet.
What is the length of each side of the
pool?
A 5 feet
B 5 feet 3 inches
C 5 feet 2 inches
D 5.2 feet
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
10
Holt Mathematics
Problem Solving
LESSON
10-1 Perimeter
Challenge
LESSON
10-1 Perimeters Around the World
Write the correct answer.
Find the perimeter of the base of each famous site.
1. Use a ruler to find the perimeter of
your math textbook in inches.
921.6 ft
921.6 ft
2. Use a ruler to find the perimeter of
your desk in feet and inches.
Answer depends on size
39.5 inches
921.6 ft
of desk.
921.6 ft
241 m
241 m
921.6 ft
Great Pyramid of Khufu, Giza, Egypt
Perimeter:
3. The world’s largest flag weighs
3,000 pounds and requires at least
500 people to set up! This United
States flag is 505 feet long and
255 feet wide. What is the perimeter
of this United States flag?
Pentagon, Arlington, Virginia
964 m
Perimeter:
4,608 ft
4. Students in Lisbon, Ohio, built the
world’s largest mousetrap in 1998.
The mousetrap is 9 feet 10 inches
long and 4 feet 5 inches wide—and it
actually works! What is the perimeter
of the mousetrap in feet and inches?
1,520 feet
28 feet 6 inches
Circle the letter of the correct answer.
228 ft
w 101 ft
57 m
Parthenon, Athens, Greece
5. The giant ball dropped every New
Year’s Eve in New York City is
covered with 504 crystal equilateral
triangles. The average perimeter
3
of each triangle is 154 inches. What
is the average side length of each
crystal triangle on the ball?
A 5 inches
57 m
Taj Mahal, Agra, India
6. United States dollar bills are
2.61 inches wide and 6.14 inches
long. Larger notes in circulation
before 1919 measured 3.125 inches
wide by 7.4218 inches long. What is
the difference between the old and
new dollar bill perimeters?
F 3.5936 inches
G 3.9536 inches
H 4.0956 inches
1
658 ft
Perimeter:
Perimeter:
B 5 8 inch
228 m
1
C 5 4 inch
J 4.5936 inches
1
D 5 2 inch
400 m
w 150 m
1,224 ft
w 660 ft
Red Square, Moscow, Russia
Perimeter:
Hoover Dam, Arizona and Nevada
1,100 m
Perimeter:
3,768 ft
9
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
8. Each Scrabble® tile is 1.8 centimeters
wide and 2.1 centimeters tall. If the
tiles spell the word LOVE, what is the
perimeter of the entire word?
F 7.8 cm
G 18.6 cm
H 12 cm
J 31.2 cm
7. The perimeter of regular octagonshaped swimming pool is 42 feet.
What is the length of each side of the
pool?
A 5 feet
B 5 feet 3 inches
C 5 feet 2 inches
D 5.2 feet
Holt Mathematics
10
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
Holt Mathematics
Puzzles, Twisters & Teasers
LESSON
10-1 Fancy Footwork
Reading Strategies
LESSON
10-1 Use a Graphic Organizer
This chart will help you understand perimeter and how to measure it.
Find the perimeter of each figure and circle the letter next to the correct answer. To
solve the riddle, match the letter of the correct answer to the number of the problem.
1.
4 ft
Perimeter of Any Polygon
Perimeter is the sum of the
lengths of each side.
Definition
The total distance around
a figure.
3.5 ft
I 7.5 ft
B 1.5 ft
P 15 ft
L 12 ft
P 39 cm
T 47 cm
U 37 cm
J 38 cm
F 2.9 m
M 3.4 m
D 3.9 m
C 5.1 m
S 14 mm
R 16 mm
V 12 mm
Y 240 mm
E 40 in.
H 90 in.
B 15 in.
S 75 in.
T 19.6 ft
E 39.20 ft
G 58.8 ft
A 78.4 ft
Perimeter
Perimeter of
a Square
Perimeter is four times the
length on one side.
P 4s
Perimeter of a
Rectangle
Perimeter is twice the length
plus twice the width.
P 2 2w
2.
9 cm
10 cm
7 cm
8 cm
13 cm
3.
Use the graphic organizer to answer the following.
1.7 m
1.2 m
1. What name is given to the total distance around a figure?
perimeter
2.2 m
2. How do you find the perimeter of a polygon?
4.
4 mm
Add the lengths of each side.
2 mm
3. Write the formula for finding the perimeter of a rectangle.
5 mm
2 2w
3 mm
4. What does the letter stand for in the perimeter formula for a
rectangle?
2 mm
5.
5 in
length
3 times the width
5. What does the letter s stand for in the perimeter formula for a
square?
6.
side
19.6 ft
6. Why do you need the length of only one side of a square to find
its perimeter?
because all four sides are the same length
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
11
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
What is sold by the yard, but worn by the foot?
Holt Mathematics
C
A
R
P
E
T
3
6
4
1
5
2
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
126
12
Holt Mathematics
Holt Mathematics