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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 949 · 40 sums
TalentJR

The method (Add 12 after noon): a.m. → keep the hour, written with 2 digits: 07:15. p.m. → add 12 to the hour: 3:35 p.m. = 15:35. 24-hour back to 12-hour: hour more than 12 → take away 12 and say p.m. Time taken: count whole hours, then minutes. 1 hour = 60 minutes.

NameDateTime takenScore ___ / 40
  1. 1.A film is 1 hour 10 minutes long. How many minutes is that?
  2. 2.A film is 1 hour 20 minutes long. How many minutes is that?
  3. 3.A train leaves at 13:15 and reaches at 15:35. How long is the journey (in minutes)?
  4. 4.Write 4:05 a.m. in 24-hour time. (a) 04:05 (b) 06:05 (c) 16:05
  5. 5.A train leaves at 07:00 and reaches at 08:10. How long is the journey (in minutes)?
  6. 6.How many hours are there from 12:00 to 19:00?
  7. 7.Write 8:10 p.m. in 24-hour time. (a) 22:10 (b) 08:10 (c) 20:10
  8. 8.Write 11:05 a.m. in 24-hour time. (a) 23:05 (b) 11:05 (c) 13:05
  9. 9.What is 22:55 in 12-hour time? (a) 12:55 p.m. (b) 10:55 p.m. (c) 10:55 a.m.
  10. 10.What is 03:10 in 12-hour time? (a) 3:10 a.m. (b) 5:10 a.m. (c) 3:10 p.m.
  11. 11.What is 09:10 in 12-hour time? (a) 11:10 a.m. (b) 9:10 p.m. (c) 9:10 a.m.
  12. 12.What is 07:50 in 12-hour time? (a) 7:50 p.m. (b) 7:50 a.m. (c) 9:50 a.m.
  13. 13.A train leaves at 07:55 and reaches at 09:40. How long is the journey (in minutes)?
  14. 14.How many hours are there from 10:00 to 14:00?
  15. 15.A train leaves at 14:00 and reaches at 15:40. How long is the journey (in minutes)?
  16. 16.What is 20:00 in 12-hour time? (a) 10:00 p.m. (b) 8:00 a.m. (c) 8:00 p.m.
  17. 17.How many hours are there from 11:00 to 13:00?
  18. 18.Write 10:20 p.m. in 24-hour time. (a) 10:20 (b) 00:20 (c) 22:20
  19. 19.Write 3:50 a.m. in 24-hour time. (a) 05:50 (b) 15:50 (c) 03:50
  20. 20.Write 6:55 p.m. in 24-hour time. (a) 06:55 (b) 18:55 (c) 20:55
  21. 21.A match starts at 10:00 and lasts 2 hours 15 minutes. At what time does it end? (a) 11:15 (b) 12:15 (c) 13:15
  22. 22.How many hours are there from 08:00 to 13:00?
  23. 23.A match starts at 13:20 and lasts 1 hour 45 minutes. At what time does it end? (a) 15:05 (b) 16:05 (c) 14:05
  24. 24.A match starts at 07:05 and lasts 1 hour 15 minutes. At what time does it end? (a) 07:20 (b) 08:20 (c) 09:20
  25. 25.A match starts at 15:40 and lasts 3 hours 30 minutes. At what time does it end? (a) 20:10 (b) 18:10 (c) 19:10
  26. 26.What is 10:25 in 12-hour time? (a) 10:25 p.m. (b) 10:25 a.m. (c) 12:25 a.m.
  27. 27.Write 9:45 p.m. in 24-hour time. (a) 09:45 (b) 21:45 (c) 23:45
  28. 28.Write 11:10 p.m. in 24-hour time. (a) 23:10 (b) 11:10 (c) 01:10
  29. 29.A match starts at 12:45 and lasts 3 hours 15 minutes. At what time does it end? (a) 16:00 (b) 17:00 (c) 15:00
  30. 30.A film is 2 hours 45 minutes long. How many minutes is that?
  31. 31.What is 02:25 in 12-hour time? (a) 4:25 a.m. (b) 2:25 p.m. (c) 2:25 a.m.
  32. 32.Write 3:05 p.m. in 24-hour time. (a) 17:05 (b) 03:05 (c) 15:05
  33. 33.How many hours are there from 08:00 to 20:00?
  34. 34.Write 10:45 p.m. in 24-hour time. (a) 00:45 (b) 10:45 (c) 22:45
  35. 35.Write 1:00 p.m. in 24-hour time. (a) 15:00 (b) 13:00 (c) 01:00
  36. 36.Write 8:55 a.m. in 24-hour time. (a) 10:55 (b) 08:55 (c) 20:55
  37. 37.A film is 4 hours 10 minutes long. How many minutes is that?
  38. 38.A match starts at 13:10 and lasts 4 hours 25 minutes. At what time does it end? (a) 18:35 (b) 17:35 (c) 16:35
  39. 39.How many hours are there from 08:00 to 17:00?
  40. 40.A train leaves at 07:10 and reaches at 10:30. How long is the journey (in minutes)?

Answer key

  1. 70
  2. 80
  3. 140
  4. 04:05
  5. 70
  6. 7
  7. 20:10
  8. 11:05
  9. 10:55 p.m.
  10. 3:10 a.m.
  11. 9:10 a.m.
  12. 7:50 a.m.
  13. 105
  14. 4
  15. 100
  16. 8:00 p.m.
  17. 2
  18. 22:20
  19. 03:50
  20. 18:55
  21. 12:15
  22. 5
  23. 15:05
  24. 08:20
  25. 19:10
  26. 10:25 a.m.
  27. 21:45
  28. 23:10
  29. 16:00
  30. 165
  31. 2:25 a.m.
  32. 15:05
  33. 12
  34. 22:45
  35. 13:00
  36. 08:55
  37. 250
  38. 17:35
  39. 9
  40. 200

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