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Differentiate
between and use appropriate units of measures
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for, two- and three-dimensional objects (e.g., find the perimeter,
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UNDERLYING SKILLS AND CONCEPTS:
use a ruler;
use basic and facts;
use proportional reasoning
area, and volume).
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Measure Length
When you measure length, you can use customary units or metric
units.
Customary Units
Metric Units
12 inches ! 1 foot
1 kilometer ! 1,000 meters
36 inches ! 1 yard
3 feet ! 1 yard
1 meter ! 100 centimeters
1 centimeter ! 10 millimeters
A ruler is useful to measure small lengths.
Proportions can help you imagine great lengths.
E x am p l E
1
What is the length of the paper clip?
E x am p l E
IN.
1
2
3
2
The map shows the road from Meridian to Centerville.
What is the actual driving distance between Meridian and Centerville?
Use your centimeter ruler.
Measure the length of the road
between Meridian and Centerville.
It is 7.5 cm.
Meridian
to Doolittle
Use the scale on the map.
Scale: 3 cm ! 10 km
3 cm ! 10 km
Write a proportion.
3
7.5
" ! "
10
y
Centerville
3y ! 75
y ! 25 km
page 278
The actual distance is 25 kilometers.
Chapter 24 – Lesson 1
E – © CSL Associates, Inc. All rights reserved.
1
The paper clip is 2 "4 inches long.
Name
P RAC T I C E
Complete each statement.
1. 36 inches 2. 12 feet 3
4
1
2
3. 6 inches 4. 9 feet 7. 20 millimeters feet
3
8. 10 centimeters 100
millimeters
feet
9. 3 centimeters 30
millimeters
5. 144 inches 12
feet
10. 5 meters 500
centimeters
11. 700 centimeters 7
Measure the figure in each diagram. Use the scale to solve.
1
13. How far is it from Newburg to the Mega mall? 1
miles
2
Post
Office
meters
12. 1 meter 1,000 millimeters
inches
Newburg
Center
centimeters
yards
yards
6. 2 feet 24
2
Mega
Mall
Movie
Theater
Ice Cream
Stand
E – © CSL Associates, Inc. All rights reserved.
Scale: 1 inch 1
mile
4
Bank
14. Measure in inches. What is the actual
height of the tree?
15. Measure in centimeters. What is the
actual perimeter of the park?
Greenland
Park
scale: 1 inch 12 feet
1,250 feet
18 feet
Math
Reasoning
scale: 1 cm 100 feet
Compare Length
MR 3.3
16. There are two classrooms. Room 101 is 9 yards long. Room 102 is 26 feet long. Which
room is longer? Explain your answer.
Room 101, because Room 101 is 27 feet (9 3).
Chapter 24 – Lesson 1
page 279
MCX94.HW.CL.G5.FM&Lesson.v211
8/2/04
18:03
Page 186
Name
…at home!
P RAC T I C E
Complete each statement.
1. 24 inches 2000 feet
7. 30 millimeters 3000 centimeters
2. 15 feet 5000 yards
8. 20 centimeters 2000 millimeters
3 000 feet
3. 9 inches 4
4. 6 feet 2000 yards
9. 4 centimeters 4000 millimeters
10. 6 meters 6000 centimeters
11. 800 centimeters 8000 meters
5. 60 inches 500 feet
12. 2 meter 2,000 millimeters
6. 3 feet 3600 inches
Measure the figure in each diagram. Use the scale to solve.
13. How far is it from Newburg to the Movie theater?
1 3 3 3 inches Mega
1
Mall
2
4
4
Post
Office
Newburg
Center
Movie
Theater
3 mile
3 in 4
Ice Cream
Stand
1
mile
4
Bank
14. Measure in inches. What is the actual
3 mile to the movie theater
It is 4
15. Measure in centimeters. What is the
height of the tree?
actual perimeter of the park?
Oak
Park
scale: 1 inch 24 feet
12 cm 300 3,600 feet
36 feet
Math
Reasoning
scale: 1 cm 300 feet
Compare Length
MR 3.3
16. There are two classrooms. Room 25 is 12 yards long. Room 24 is 32 feet long.
Which room is longer? Explain your answer.
Room 25 is longer, because it is 36 feet long (12 yards 3), while
Room 24 is only 32 feet long.
page 186
Home Resource and Homework
Chapter 24 Lesson 1
E – © CSL Associates, Inc. All rights reserved.
Scale: 1 inch MCX94TEG5CH01_32.v7.4.2 2/24/01 19:49 Page 513
Name
P RAC T I C E
Complete each statement.
1. 36 inches 3
feet
7. 20 millimeters 2
centimeters
2. 12 feet 4
yards
8. 10 centimeters 100
3. 6 inches 1
2
feet
9. 3 centimeters 30
4. 9 feet 3
5. 144 inches 6. 2 feet 10. 5 meters yards
12
24
500
7
meters
12. 1 meter 1,000 millimeters
inches
Measure the figure in each diagram. Use the scale to solve.
1 miles
13. How far is it from Newburg to the Mega mall? 1
2
Post
Office
Newburg
Center
millimeters
centimeters
11. 700 centimeters feet
millimeters
Mega
Mall
Movie
Theater
Ice Cream
Stand
E – © CSL Associates, Inc. All rights reserved.
Scale: 1 inch 1
mile
4
Bank
14. Measure in inches. What is the actual
height of the tree?
15. Measure in centimeters. What is the
actual perimeter of the park?
Greenland
Park
scale: 1 inch 12 feet
1,250 feet
18 feet
Math
Reasoning
scale: 1 cm 100 feet
Compare Length
MR 3.3
16. There are two classrooms. Room 101 is 9 yards long. Room 102 is 26 feet long. Which
room is longer? Explain your answer.
Room 101, because Room 101 is 27 feet (9 3).
Chapter 24 – Lesson 1
Student Book Page
page 279
Name
…at home!
P RAC T I C E
Complete each statement.
1. 24 inches 2000 feet
7. 30 millimeters 3000 centimeters
2. 15 feet 5000 yards
8. 20 centimeters 2000 millimeters
3
3. 9 inches 000 feet
4
4. 6 feet 2000 yards
9. 4 centimeters 4000 millimeters
10. 6 meters 6000 centimeters
11. 800 centimeters 8000 meters
5. 60 inches 500 feet
12. 2 meter 2,000 millimeters
6. 3 feet 3600 inches
Measure the figure in each diagram. Use the scale to solve.
13. How far is it from Newburg to the Movie theater?
Mega
1
3
3
1
3 inches Mall
2
4
4
Post
Office
Newburg
Center
Movie
Theater
3
3 in mile
4
Scale: 1 inch 1
mile
4
Bank
14. Measure in inches. What is the actual
height of the tree?
3
It is mile to the movie theater
4
15. Measure in centimeters. What is the
actual perimeter of the park?
Oak
Park
scale: 1 inch 24 feet
12 cm 300 3,600 feet
36 feet
Math
Reasoning
scale: 1 cm 300 feet
Compare Length
MR 3.3
16. There are two classrooms. Room 25 is 12 yards long. Room 24 is 32 feet long.
Which room is longer? Explain your answer.
Room 25 is longer, because it is 36 feet long (12 yards 3), while
Room 24 is only 32 feet long.
page 186
Home Resource and Homework
Chapter 24 Lesson 1
E – © CSL Associates, Inc. All rights reserved.
Ice Cream
Stand