Measures and time · Ages 8–9

When it starts and ends worksheet

Part of: Seconds, the 24-hour clock and timetables

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Measures and time · Ages 8–9

Numsprite
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Name:Date:Score:／48

Write each answer in the space. For word problems, show your working and write a sentence answer.

1.An activity ends at 3:05 p.m. after lasting 1 hour 5 minutes. It started at : p.m. (hour, then minutes).
Fill in each blank
Answer:
2.An activity starts at 8:00 a.m. and lasts 1 hour 45 minutes. It ends at : a.m. (hour, then minutes).
Fill in each blank
Answer:
3.How many minutes is it from 10:50 a.m. to 11:30 a.m.?
Answer:
4.An activity ends at 3:50 p.m. after lasting 1 hour 50 minutes. It started at : p.m. (hour, then minutes).
Fill in each blank
Answer:
5.How many minutes is it from 8:45 a.m. to 9:10 a.m.?
Answer:
6.The clock shows when a morning activity starts. It lasts 55 minutes and ends at : a.m. (hour, then minutes).
Fill in each blank
Answer:
7.The clock shows when a morning activity starts. It lasts 30 minutes and ends at : a.m. (hour, then minutes).
Fill in each blank
Answer:

8.An activity starts at 9:45 a.m. and lasts 2 hours. When does it end?
- A. 11:45 a.m.
- B. 12:45 p.m.
- C. 10:45 a.m.
- D. 7:45 a.m.
Choose the right answer
Answer:
9.An activity starts at 9:20 a.m. and lasts 1 hour 55 minutes. When does it end?
- A. 7:25 a.m.
- B. 11:15 a.m.
- C. 12:15 p.m.
- D. 10:15 a.m.
Choose the right answer
Answer:
10.An activity starts at 9:25 a.m. and lasts 1 hour 15 minutes. When does it end?
- A. 11:40 a.m.
- B. 10:40 a.m.
- C. 8:10 a.m.
- D. 9:40 a.m.
Choose the right answer
Answer:
11.An activity starts at 9:05 a.m., lasts 55 minutes, and ends at 9:00 a.m..
True or false?
Answer:
12.An activity starts at 9:45 a.m., lasts 50 minutes, and ends at 9:35 a.m..
True or false?
Answer:

13.A shop is open every day from 10:00 a.m. to 6:00 p.m.. How many hours is it open each day?
Working:
Answer:
14.Ka-yee leaves home at 9:20 a.m. and takes 1 hour 40 minutes to reach Grandma's. Ka-yee arrives at : a.m. (hour, then minutes).
Fill in each blank
Working:
Answer:
15.A train leaves at 7:15 a.m.. It runs 40 minutes to the first station, stops for 5 minutes, then runs 30 minutes to the end of the line. It arrives at : a.m. (hour, then minutes).
Fill in each blank
Working:
Answer:
16.A swimming class starts at 4:55 p.m. and ends at 5:05 p.m.. How many minutes long is it?
Working:
Answer:
17.A film lasts 2 hours 10 minutes and finishes at 8:15 p.m.. It started at : p.m. (hour, then minutes).
Fill in each blank
Working:
Answer:
18.A train leaves at 8:25 a.m.. It runs 35 minutes to the first station, stops for 5 minutes, then runs 15 minutes to the end of the line. It arrives at : a.m. (hour, then minutes).
Fill in each blank
Working:
Answer:

Show the answers and working

When it starts and ends worksheet: Answers and working

1. 2, 0
This time count back: from 3:05 p.m., subtract the hours first, then the minutes.
Count back 1 hour 5 minutes from 3:05 p.m.: 2:00 p.m..
2. 9, 45
From 8:00 a.m., add the hours first, then the minutes; 60 minutes carry as an hour.
Count on 1 hour 45 minutes from 8:00 a.m.: 9:45 a.m..
3. 40 minutes
Count from 10:50 a.m. to the next o'clock first, then on to 11:30 a.m., and add the two.
To the next o'clock: 10 minutes; then 30 more: 10 + 30 = 40.
4. 2, 0
This time count back: from 3:50 p.m., subtract the hours first, then the minutes.
Count back 1 hour 50 minutes from 3:50 p.m.: 2:00 p.m..
5. 25 minutes
Count from 8:45 a.m. to the next o'clock first, then on to 9:10 a.m., and add the two.
To the next o'clock: 15 minutes; then 10 more: 15 + 10 = 25.
6. 10, 20
Read the time on the clock first, then add 55 minutes; 60 minutes carry as an hour.
The clock shows 9:25 a.m.; 55 minutes later it is 10:20 a.m..
7. 11, 5
Read the time on the clock first, then add 30 minutes; 60 minutes carry as an hour.
The clock shows 10:35 a.m.; 30 minutes later it is 11:05 a.m..

8. A. 11:45 a.m.
After whole hours the minutes don't change. From 9:45 a.m., count on an hour at a time, 2 times.
The minutes stay the same; just add 2 to the hour: 2 hours after 9:45 a.m. is 11:45 a.m..
9. B. 11:15 a.m.
Add 1 hour 55 minutes in parts: the hours first, then the minutes, carrying 60 minutes as an hour.
Add the hour, then the minutes, carrying 60 minutes as an hour: 11:15 a.m..
10. B. 10:40 a.m.
Add 1 hour 15 minutes in parts: the hours first, then the minutes, carrying 60 minutes as an hour.
Add the hour, then the minutes, carrying 60 minutes as an hour: 10:40 a.m..
11. False
Add 55 minutes to 9:05 a.m. yourself to find the end, then compare it with 9:00 a.m..
The minutes add up past 60, which carries an hour: it ends at 10:00 a.m..
12. False
Add 50 minutes to 9:45 a.m. yourself to find the end, then compare it with 9:35 a.m..
The minutes add up past 60, which carries an hour: it ends at 10:35 a.m..

Marking: 2 for the working, 1 for the answer, 1 for the sentence.

13. 8 hours
The opening hours cross noon. Count the hours from 10:00 a.m. to noon, then from noon to 6:00 p.m..
From 10:00 a.m. to noon, then on to 6:00 p.m.: 8 hours.
14. 11, 0
From 9:20 a.m., add the hours first, then the minutes; 60 minutes carry as an hour.
1 hour 40 minutes after 9:20 a.m.: 11:00 a.m..
15. 8, 30
The 5-minute stop counts too. Add the three times first, then count on from 7:15 a.m..
The stop counts too: 40 + 5 + 30 minutes after 7:15 a.m. is 8:30 a.m..
16. 10 minutes
Count from 4:55 p.m. to the next o'clock first, then on to 5:05 p.m., and add the two.
Count to the next o'clock, then the rest: 10 minutes.
17. 6, 5
To find the start, count back from 8:15 p.m.: subtract the hours first, then the minutes.
Count back 2 hours 10 minutes from 8:15 p.m.: 6:05 p.m..
18. 9, 20
The 5-minute stop counts too. Add the three times first, then count on from 8:25 a.m..
The stop counts too: 35 + 5 + 15 minutes after 8:25 a.m. is 9:20 a.m..

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