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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 315 · 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 35 minutes long. How many minutes is that?
  2. 2.How many hours are there from 08:00 to 19:00?
  3. 3.Write 8:25 a.m. in 24-hour time. (a) 20:25 (b) 10:25 (c) 08:25
  4. 4.A train leaves at 06:50 and reaches at 08:45. How long is the journey (in minutes)?
  5. 5.Write 2:00 p.m. in 24-hour time. (a) 14:00 (b) 16:00 (c) 02:00
  6. 6.Write 10:30 a.m. in 24-hour time. (a) 10:30 (b) 22:30 (c) 12:30
  7. 7.A film is 1 hour 5 minutes long. How many minutes is that?
  8. 8.How many hours are there from 11:00 to 14:00?
  9. 9.A film is 3 hours 35 minutes long. How many minutes is that?
  10. 10.A match starts at 10:20 and lasts 4 hours 10 minutes. At what time does it end? (a) 15:30 (b) 13:30 (c) 14:30
  11. 11.Write 6:55 p.m. in 24-hour time. (a) 20:55 (b) 06:55 (c) 18:55
  12. 12.A match starts at 10:20 and lasts 4 hours 40 minutes. At what time does it end? (a) 16:00 (b) 14:00 (c) 15:00
  13. 13.A film is 2 hours 35 minutes long. How many minutes is that?
  14. 14.Write 3:50 a.m. in 24-hour time. (a) 03:50 (b) 05:50 (c) 15:50
  15. 15.A train leaves at 07:35 and reaches at 08:20. How long is the journey (in minutes)?
  16. 16.A match starts at 08:05 and lasts 1 hour 40 minutes. At what time does it end? (a) 10:45 (b) 08:45 (c) 09:45
  17. 17.A film is 3 hours 40 minutes long. How many minutes is that?
  18. 18.A match starts at 08:10 and lasts 3 hours 35 minutes. At what time does it end? (a) 12:45 (b) 10:45 (c) 11:45
  19. 19.A film is 2 hours 15 minutes long. How many minutes is that?
  20. 20.Write 9:15 p.m. in 24-hour time. (a) 09:15 (b) 21:15 (c) 23:15
  21. 21.What is 10:50 in 12-hour time? (a) 12:50 a.m. (b) 10:50 a.m. (c) 10:50 p.m.
  22. 22.A film is 2 hours 50 minutes long. How many minutes is that?
  23. 23.Write 10:15 p.m. in 24-hour time. (a) 00:15 (b) 10:15 (c) 22:15
  24. 24.Write 8:15 p.m. in 24-hour time. (a) 20:15 (b) 08:15 (c) 22:15
  25. 25.How many hours are there from 08:00 to 16:00?
  26. 26.A match starts at 09:10 and lasts 1 hour 35 minutes. At what time does it end? (a) 11:45 (b) 10:45 (c) 09:45
  27. 27.Write 6:45 p.m. in 24-hour time. (a) 20:45 (b) 18:45 (c) 06:45
  28. 28.What is 11:15 in 12-hour time? (a) 1:15 a.m. (b) 11:15 p.m. (c) 11:15 a.m.
  29. 29.What is 10:05 in 12-hour time? (a) 10:05 a.m. (b) 10:05 p.m. (c) 12:05 a.m.
  30. 30.A film is 1 hour 30 minutes long. How many minutes is that?
  31. 31.What is 14:00 in 12-hour time? (a) 2:00 a.m. (b) 2:00 p.m. (c) 4:00 p.m.
  32. 32.How many hours are there from 07:00 to 13:00?
  33. 33.What is 14:40 in 12-hour time? (a) 2:40 p.m. (b) 4:40 p.m. (c) 2:40 a.m.
  34. 34.What is 19:40 in 12-hour time? (a) 9:40 p.m. (b) 7:40 a.m. (c) 7:40 p.m.
  35. 35.What is 03:00 in 12-hour time? (a) 5:00 a.m. (b) 3:00 p.m. (c) 3:00 a.m.
  36. 36.A film is 3 hours 45 minutes long. How many minutes is that?
  37. 37.What is 21:20 in 12-hour time? (a) 11:20 p.m. (b) 9:20 a.m. (c) 9:20 p.m.
  38. 38.Write 2:15 a.m. in 24-hour time. (a) 02:15 (b) 14:15 (c) 04:15
  39. 39.What is 01:40 in 12-hour time? (a) 3:40 a.m. (b) 1:40 a.m. (c) 1:40 p.m.
  40. 40.A match starts at 16:50 and lasts 1 hour 40 minutes. At what time does it end? (a) 17:30 (b) 19:30 (c) 18:30

Answer key

  1. 95
  2. 11
  3. 08:25
  4. 115
  5. 14:00
  6. 10:30
  7. 65
  8. 3
  9. 215
  10. 14:30
  11. 18:55
  12. 15:00
  13. 155
  14. 03:50
  15. 45
  16. 09:45
  17. 220
  18. 11:45
  19. 135
  20. 21:15
  21. 10:50 a.m.
  22. 170
  23. 22:15
  24. 20:15
  25. 8
  26. 10:45
  27. 18:45
  28. 11:15 a.m.
  29. 10:05 a.m.
  30. 90
  31. 2:00 p.m.
  32. 6
  33. 2:40 p.m.
  34. 7:40 p.m.
  35. 3:00 a.m.
  36. 225
  37. 9:20 p.m.
  38. 02:15
  39. 1:40 a.m.
  40. 18:30

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