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In this exercise you will learn how to add and subtract time.
There are a few basic thing you will need to know before you can get started.
Look at the information provided in the box below. This will help you solve the
problems in the exercises. Good Luck!
| 60 seconds = 1
minute |
60 minutes = 1
hour |
24 hours = 1
day |
7 days = 1
week |
| 52 weeks = 1 year |
365 days = 1 year |
12 months = 1 year |
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Exercise One:
Add the following (example)
4 minutes 30 seconds
+ 2 minutes 40
seconds
= 6 minutes 70 seconds
= 7 minutes 10 seconds |
Note: 70 seconds = (60 seconds + 10 seconds) = (1
minute + 10 seconds)
| 1. |
4 minutes 45
seconds
+ 3 minutes 21
seconds
__________________
__________________ |
2. |
7 minutes 23
seconds
+ 1 minutes 39
seconds
__________________
__________________ |
3. |
8 minutes 52
seconds
+ 3 minutes 05
seconds
__________________
__________________ |
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| 4. |
8 minutes 38 seconds
- 5
minutes 23 seconds
__________________
__________________ |
5. |
10 minutes 56 seconds
- 7
minutes 45 seconds
__________________
__________________ |
6. |
9 minutes 43 seconds
- 2
minutes 40 seconds
__________________
__________________ |
Exercise Two:
Lets try some more difficult ones. Remember to use the chart.
Ask your instructor for help if you need it.
| 1. |
1 week 4
days
+ 2 weeks 4 days
______________
______________ |
2. |
14 days 17
hours
+ 8 days 20 hours
______________
______________ |
3. |
20 hours 16
minutes
+ 5 hours 56
minutes
________________
________________ |
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| 4. |
6 years 10 days
- 2 years
15 days
______________
______________ |
5. |
13 minutes 23 seconds
- 9
minutes 34 seconds
__________________
__________________ |
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Exercise Three:
- 140 seconds = ________ minutes, ________ seconds
- 348 minutes = ________ hours, ________ minutes
- 75 days = ________ weeks, ________ days
- 1,000 minutes = ________ hours, ________ minutes
- 50 days = ________ weeks, ________ days
- 400 days = ________ years, ________ days
- 109 weeks = ________ years, ________ weeks
- 76 hours = ________ days, ________ hours
- 89 minutes = ________ hours, ________ minutes
- 2,005 days = ________ years, ________ days
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