1. Time to the Quarter and Half Hour
Grade 3
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2. We are going to begin another Lesson on Time.
Hello! How are you Today?
We are going to begin another Lesson on Time.
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Hour
Hour is a unit of time.
1 hour = 60 minutes
1 day = 24 hours
The Clock shows 9o’clock.
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Half-hour
Half of one hour is called half-hour.
1 half-hour = 30 minutes
The Clock shows 9:30
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Example
If the time shown in the clock is 2:30. It is
Half past 2
Two- thirty
30 minutes after 2
30 minutes before 3
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Quarter-hour
Half of one half hour is called quarter hour.
1 quarter hour = 15 minutes
The Clock shows 1:15
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Example
The time shown in the Clock is
Quarter to seven
Six-forty five
15 minutes before 7
45 minutes after 6
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To represent 3:15 and 3:45
3:15 can be written as
Quarter after 3
Three-fifteen
3:45 can be written as
Quarter to 4
Three-forty five
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A.M.
A.M. is used for the hours 12 midnight (12 A.M.) until 12 noon.
Example:
11 A.M.
9 A.M.
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P.M.
P.M. is used for the hours 12 noon (12 P.M.) to 12 midnight.
Example:
11 P.M.
8 P.M.
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11. Choose the most reasonable time for
Getting up
Eating dinner
Eating breakfast
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12. Standard and Military time
The system we use to tell time is Standard Time.
The System that soldiers use to tell time is called Military Time.
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Military Time
In Military Time, no A.M., P.M. is required.
The first 12 hours(1 A.M. to 12 noon) are the hours
The second twelve hours(1:00 P.M. to 12 midnight ) are the hours 13 – 24.
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14. Write each Standard Time in Military Time.
3:00 A.M.
3:00 P.M.
Answer-
0300 hours
1500 hours
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15. Write each time using numbers
Quarter after five
Quarter to six
Seven o’clock
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16. Describe the time in different ways. 8:30
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17. Describe the time in 2 different ways. 1:45
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Short Break!
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20. It’s time for Assessment Questions.
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21. 1. How many times does your watch show 6:00 in one day?
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22. 2. Where does the minute hand point when it is a quarter to an hour?
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23. 3. A clock shows 6:15. Write the time in different ways.
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24. 4. Write each standard time in military time.
6:00 P.M.
1:00 A.M.
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25. 5. Write each military time in Standard Time.
2105
1545
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6. What time is quarter to 5?
4:15
Four-forty
Four-forty three
4:45
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27. 7. Write 9:45 in four different ways.
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8. The trains arrive at 1:15, 1:30, 1:45. If the same pattern continues, what time does the next train arrives?
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29. 9. Describe the time in different ways. 3:30
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10. Where does the hour hand and minute hand point when the clock shows 7:45?
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Recap
Hour
Half-hour
Quarter-hour
A.M.
P.M.
Standard and military time
Solved Examples
Practice Problems
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Great Job Today!
Practice your worksheets to know more about Time
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