Reteach 1-3

Name
LESSON
Date
Class
Reteach
1-3 Metric Measurements
You can use the relationships in this table to help you convert metric units.
Length
1 cm 10 mm
1 m 100 cm 1,000 mm
1 km 1,000 m
Mass
1 g 1,000 mg
1 kg 1,000 g
Capacity
1 L 1,000 mL
1 kL 1,000 L
To change larger units to smaller units, multiply.
1 L 1,000 mL
Liters are larger than milliliters,
so multiply by 1,000.
Move the decimal point 3 places
to the right: 5.300
5.3 L mL
5.3 1,000 5,300
5.3 L 5,300 mL
To change smaller units to larger units, divide.
46 cm 1 m 100 cm
Centimeters are smaller than
meters, so divide by 100.
Move the decimal point 2
places to the left: 046
m
46 100 0.46
46 cm 0.46 m
Convert each measure.
1. 15 cm to millimeters
2. 964 g to kilograms
Think: 1 cm Think 1 kg mm
Multiply 15 by
.
15 cm =
g
Divide 964 by
964 g mm
3. 4.9 kL to liters
kg
4. 3,531 cm to meters
4.9 by
4.9 kL =
3,531 by
3,531 cm L
5. 468 mg to grams
468 mg =
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
m
6. 0.69 kL to liters
0.69 kL g
22
L
Holt Mathematics
Practice B
1-3 Metric Measurements
Practice A
1-3 Metric Measurements
LESSON
LESSON
Choose the most appropriate metric unit for each
measurement. Justify your answer.
Choose the letter for the best answer.
1. The height of a flagpole
A millimeters
C meters
B centimeters
D kilometers
2. The mass of a bicycle
F milligrams
H grams
J centimeters
G kilograms
3. The capacity of a spoon
A liters
C kiloliters
D millimeters
B milliliters
4. The thickness of a piece of cardboard
H kilometers
F millimeters
G centimeters
J meters
5. The mass of a banana
A kilograms
C liters
D milligrams
B grams
6. The capacity of a swimming pool
F kilograms
H liters
G milliliters
J kiloliters
1. The capacity of a paper cup
8. 2.5 kg m
C 3.2
A 0.032
B 0.32
11. 0.35 g than a textbook, which may have
C 350
of a pencil is similar to the mass
less than the width of a doorway,
of 10 paperclips, each of which
which is about 1 m.
may have a mass of about 1 g.
5. 496 mm to centimeters
6. 0.68 kg to grams
49.6 cm
J 0.078
10. 2.9 cm to meters
76,000 m
11. 0.041kL to liters
0.029 m
12. 14.9 g to milligrams
41 L
13. Benjamin is 165 cm tall. His sister is 1.8 m tall. Who is shorter?
Explain your answer.
3.8 L
9. 76 km to meters
0.832 g
H 430
J 4,300
7. 3,800 mL to liters
680 g
8. 832 mg to grams
cm
F 0.043
G 0.43
D 3,500
Possible answer: Grams; the mass
the width of a computer screen is
H 0.78
12. 4.3 mm mg
4. The mass of a pencil
Possible answer: Centimeters;
Convert each measure.
km
F 780,000
G 78,000
C 56
D 5.6
A 0.00035
B 0.0035
H 250
J 2,500
10. 780 m L
A 5,600,000
B 56,000
small poodle has a greater mass
bottle, which may hold about 1 L.
3. The width of a computer screen
g
F 0.0025
G 0.25
D 32
9. 5,600 mL Possible answer: Kilograms; a
holds much less than a large water
a mass of about 1 kg.
Choose the letter of the best answer.
7. 320 cm 2. The mass of a small poodle.
Possible answer: Milliliters; a cup
13. 7,800 cm to meters
14,900 mg
78 m
14. Sam’s laptop computer has a mass of 4.2 kg. Fred’s laptop
computer has a mass of 4,940 grams. Which computer has the
lesser mass? Explain your answer.
Benjamin; 1.8 m 180 cm; 165 cm 180 cm
14. Jan has a bag of grapes that has a mass of 0.9 kg. Terri has a
bag of grapes that has a mass of 830 g. Whose grapes have the
greater mass? Explain your answer.
Sam’s computer; 4.2 kg 4,200 g; 4,200 g 4,940 g
15. Elise makes a poster that is 1.5 m tall. Meg makes a poster that
is 96 cm tall. Who makes a taller poster? Explain your answer.
Jan’s; 0.9 kg 900 g; 900 g 830 g
Elise; 1.5 m 150 cm; 150 cm 96 cm
19
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
Holt Mathematics
LESSON
You can use the relationships in this table to help you convert metric units.
Choose the most appropriate metric unit for each
measurement. Justify your answer.
1. The thickness of a piece of spaghetti
Length
1 cm 10 mm
1 m 100 cm 1,000 mm
1 km 1,000 m
2. The capacity of a small sink
Possible answer: Millimeters; the
Possible answer: liters; The capacity
thickness of a piece of spaghetti
of a small sink might be similar to the
is similar to the thickness of a
capacity of about 5 large water bottles,
dime, which is about 1 mm.
each of which holds about 1 L.
3. The mass of an envelope
5.3 L 5,300 mL
Possible answer: Kiloliters; the
an envelope is similar to the mass of
capacity of a gas truck is greater
a group of 10 paperclips, each of
than the capacity of 2 large refrig-
which may have a mass of about 1 g.
erators, which may be about 1 kL.
To change smaller units to larger units, divide.
46 cm 46 cm 0.46 m
14. 53 m
5 mm
5,400 mm
0.604 kg
Convert each measure.
1. 15 cm to millimeters
10. 48 mg to grams
5,600 mL
Compare. Write , , or for
7. 604 g to kilograms
7.5 cm
9. 5.6 L to milliliters
95 cm
11. 0.5 cm
1 m 100 cm
Centimeters are smaller than
meters, so divide by 100.
Move the decimal point 2
places to the left: 046
m
46 100 0.46
Convert each measure.
3,060 L
0.048 g
.
12. 4.6 kg
15. 8,840 mL
Think: 1 cm 10
Multiply 15 by
10
15 cm =
462 g
13. 0.03 kL
200 L
16. 416 mg
0.4 g
9L
Capacity
1 L 1,000 mL
1 kL 1,000 L
1 L 1,000 mL
Liters are larger than milliliters,
so multiply by 1,000.
Move the decimal point 3 places
to the right: 5.300
mL
5.3 1,000 5,300
4. The capacity of a gas truck
6. 75 mm to centimeters
Mass
1 g 1,000 mg
1 kg 1,000 g
To change larger units to smaller units, multiply.
5.3 L Possible answer: Grams; the mass of
8. 0.95 m to centimeters
Holt Mathematics
Reteach
1-3 Metric Measurements
Practice C
1-3 Metric Measurements
LESSON
5. 3.06 kL to liters
20
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
150
2. 964 g to kilograms
mm
.
17. Eleanor ran 3.5 km on Friday and 2.8 km on Saturday. Monroe ran
6,400 m on the same two days. Who runs a greater distance? Explain.
4.9 kL =
Monroe. 3.5 km 3,500 m; 2.8 km 2,800 m; 3,500 m 2,800 m 6,300 m; 6,300 m 6,400 m.
468 mg =
1,000
0.964
g
kg
4. 3,531 cm to meters
4.9 by
4,900
1,000
Divide
3,531 cm L
5. 468 mg to grams
18. Tunnel A is 1.6 km long. Tunnel B is 740 meters long. Which
tunnel is longer? How much longer?
1,000
Divide 964 by
964 g mm
3. 4.9 kL to liters
Multiply
Think 1 kg 0.468
3,531 by
35.31
100
m
6. 0.69 kL to liters
0.69 kL g
690
L
Tunnel A; 860 m
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
21
Copyright © by Holt, Rinehart and Winston.
Holt Mathematics
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
103
22
Holt Mathematics
Holt Mathematics