MSM07G6_RESBK_Ch9_035-042.pe
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Name
LESSON
Date
Class
Practice B
9-5 Time and Temperature
Convert.
1
1. 3 hours 10 minutes 190
minutes
2. 22 days 60
3. 2 years 1 month 25
months
4. 360 seconds hours
6
minutes
1
22
5. 150 seconds 7. 5 years 6 months 66
9. 2 minutes 10 seconds weeks
8. 86,400 seconds months
130
2
6. 336 hours minutes
1
1
2,160
seconds 10. 12 days
days
minutes
Estimate the temperature.
11. 15°C is about
60
°F.
12. 4°C is about
38
13. 44°F is about
7
°C.
14. 86°F is about
28
°F.
°C.
Compare. Write , , or .
15. 32 hours
1
14 days
17. 3,000 seconds
1 hour
16. 5 weeks
18. 3 years
840 hours
150 weeks
19. Jackson started raking leaves at 10:20 A.M. and raked for 1
hour 55 minutes. At what time did Jackson finish raking the
leaves?
12:15 P.M.
20. Mia rented a movie that lasts 2 hours 5 minutes. She took a
10-minute break after watching half of the movie. Mia started
to watch the movie at 11:45 A.M. When did the movie end?
2:00 P.M.
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Holt Mathematics
Practice B
9-5 Time and Temperature
Practice A
9-5 Time and Temperature
LESSON
LESSON
Convert.
Convert.
1. 10 minutes 60
seconds
2. 2 days 48
3. 24 months 2
years
4. 3 hours 180
2
5. 120 seconds 7. 2 years 3 months 27
210
9. 3 minutes 30 seconds 1
36
seconds 10. 12 days
190
minutes
2. 22 days 3. 2 years 1 month 25
months
4. 360 seconds 1
22
1
50
°F.
12. 12°C is about
54
°F.
11. 15°C is about
60
°F.
12. 4°C is about
13. 60°F is about
15
°C.
14. 70°F is about
20
°C.
13. 44°F is about
7
°C.
14. 86°F is about
3 days
16. 6 weeks
18. 360 seconds
5 minutes
15. 32 hours
42 days
1
day
2
1
14 days
17. 3,000 seconds
minutes
38
°F.
28
°C.
16. 5 weeks
1 hour
18. 3 years
840 hours
150 weeks
19. Jackson started raking leaves at 10:20 A.M. and raked for 1 hour
55 minutes. At what time did Jackson finish raking the leaves?
19. A train arrived at its destination at 3:15 P.M. If the trip took
1 hour and 10 minutes, at what time did the train depart?
12:15 P.M.
2:05 P.M.
20. Mia rented a movie that lasts 2 hours 5 minutes. She took a
10-minute break after watching half of the movie. Mia started
to watch the movie at 11:45 A.M. When did the movie end?
20. Marcella started doing her homework at 5:25 P.M. She finished
her homework 45 minutes later. At what time did Marcella finish
her homework?
2:00 P.M.
6:10 P.M.
35
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
Holt Mathematics
36
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
Holt Mathematics
Reteach
9-5 Time and Temperature
Practice C
9-5 Time and Temperature
LESSON
LESSON
You can use the table below to convert units of time.
Convert.
1. 1 hour 10 seconds 3,610
56
3. 4 years 8 month 1
2
5. 1,800 seconds 7. 51 months 1
4
1
seconds 10. 2 days
172,800
hours
1 year 12 months
1 day 24 hours
1 year 365 days
1
2
1
To convert 1 minute 10 seconds to seconds, find the number of
seconds in 1 minute. Then find the total number of seconds.
days
1 minute 10 seconds 60 seconds 10 seconds 70 seconds
1 minute
seconds
Convert.
11. 28°C is about
86
°F.
12. 0°C is about
13. 36°F is about
3
°C.
14. 20°F is about
30
5
51
hours
Time Started
Time Spent
40 min
Time Finished
8:55 A.M.
Count up 40 minutes.
Solve.
16. 3 years
1,000 days
3. Carlos started to wash the car at 3:15 P.M. He spent 1 hour 10 minutes washing
4:25 P.M.
the car. At what time did he finish?
1
30 hours
You can estimate the temperature by using the rules below.
18. 16 day
2 days
2. 2 days 3 hours Sue started to clean her room at 8:15 A.M. She spent 40 minutes
cleaning. At what time did Sue finish?
°C.
Compare. Write , , or .
1
day
12
minutes
You can find elapsed time by counting up or back.
°F.
8:15 A.M.
17. 100,000 seconds
75
1. 1 hour 15 minutes Estimate the temperature.
1 year 52 weeks
1 hour 60 minutes
weeks
8. 129,600 seconds years
1 minute 60 seconds
1 week 7 days
4
6. 672 hours Time
minutes
1
5
4. 720 seconds months
hour
244
3,600
2. 22 days seconds
4 9. 4 minutes 4 seconds 15. 2 hours
days
Compare. Write , , or .
Compare. Write , , or .
17. 310 seconds
weeks
1
2,160
seconds 10. 12 days
minutes
2
11. 10°C is about
6
Estimate the temperature.
Estimate the temperature.
15. 28 hours
hours
8. 86,400 seconds months
130
9. 2 minutes 10 seconds hours
60
6. 336 hours minutes
66
7. 5 years 6 months years
1
1. 3 hours 10 minutes 5. 150 seconds weeks
1
1
2
8. 18 months months
minutes
4
6. 28 days minutes
hours
• To change from °C to °F, double
the temperature and then add 30.
19. Jennifer spent 15 minutes cleaning the garage and 1 hour 20
minutes painting the garage. If Jennifer started at 10:50 A.M., at
what time did she finish?
• To change from °F to °C, subtract 30 from
the temperature and then divide by 2.
40°C
12:25 P.M.
20. Andrew flew from New York to San Diego. The in-flight movie
started 35 minutes after the plane departed and lasted for 1
hour 50 minutes. If the plane departed at 11:55 A.M., at what
time did the movie end?
110°F
40 40 80
110 – 30 80
80 30 110
80 2 40
40°C is about 110°F.
110°F is about 40°C.
Estimate the temperature.
4. 25°C is about
80
°F.
5. 60°F is about
15
°C.
2:10 P.M.
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ights reserved.
37
Copyright © by Holt, Rinehart and Winston.
Holt Mathematics
Copyright © by Holt, Rinehart and Winston.
All rights reserved.
75
38
Holt Mathematics
Holt Mathematics