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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 741 · 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 15 minutes long. How many minutes is that?
  2. 2.A match starts at 10:10 and lasts 2 hours 30 minutes. At what time does it end? (a) 13:40 (b) 12:40 (c) 11:40
  3. 3.A train leaves at 07:55 and reaches at 08:35. How long is the journey (in minutes)?
  4. 4.A train leaves at 10:20 and reaches at 13:15. How long is the journey (in minutes)?
  5. 5.Write 1:50 a.m. in 24-hour time. (a) 13:50 (b) 01:50 (c) 03:50
  6. 6.A film is 1 hour 35 minutes long. How many minutes is that?
  7. 7.A train leaves at 10:00 and reaches at 13:00. How long is the journey (in minutes)?
  8. 8.A film is 2 hours 30 minutes long. How many minutes is that?
  9. 9.A film is 4 hours 10 minutes long. How many minutes is that?
  10. 10.What is 03:05 in 12-hour time? (a) 3:05 a.m. (b) 5:05 a.m. (c) 3:05 p.m.
  11. 11.Write 1:35 p.m. in 24-hour time. (a) 15:35 (b) 13:35 (c) 01:35
  12. 12.A train leaves at 15:25 and reaches at 15:50. How long is the journey (in minutes)?
  13. 13.Write 2:25 a.m. in 24-hour time. (a) 02:25 (b) 14:25 (c) 04:25
  14. 14.What is 21:45 in 12-hour time? (a) 9:45 a.m. (b) 9:45 p.m. (c) 11:45 p.m.
  15. 15.A film is 1 hour 55 minutes long. How many minutes is that?
  16. 16.How many hours are there from 05:00 to 19:00?
  17. 17.A film is 1 hour 5 minutes long. How many minutes is that?
  18. 18.Write 11:10 a.m. in 24-hour time. (a) 23:10 (b) 13:10 (c) 11:10
  19. 19.How many hours are there from 08:00 to 10:00?
  20. 20.Write 10:30 p.m. in 24-hour time. (a) 10:30 (b) 00:30 (c) 22:30
  21. 21.A film is 4 hours 55 minutes long. How many minutes is that?
  22. 22.Write 3:40 a.m. in 24-hour time. (a) 15:40 (b) 03:40 (c) 05:40
  23. 23.How many hours are there from 06:00 to 13:00?
  24. 24.Write 7:30 p.m. in 24-hour time. (a) 07:30 (b) 19:30 (c) 21:30
  25. 25.Write 5:25 a.m. in 24-hour time. (a) 05:25 (b) 07:25 (c) 17:25
  26. 26.A match starts at 16:20 and lasts 4 hours 30 minutes. At what time does it end? (a) 19:50 (b) 20:50 (c) 21:50
  27. 27.How many hours are there from 11:00 to 13:00?
  28. 28.Write 3:00 p.m. in 24-hour time. (a) 03:00 (b) 15:00 (c) 17:00
  29. 29.A match starts at 06:40 and lasts 2 hours. At what time does it end? (a) 08:40 (b) 09:40 (c) 07:40
  30. 30.How many hours are there from 07:00 to 13:00?
  31. 31.What is 11:55 in 12-hour time? (a) 11:55 p.m. (b) 11:55 a.m. (c) 1:55 a.m.
  32. 32.How many hours are there from 08:00 to 12:00?
  33. 33.How many hours are there from 12:00 to 14:00?
  34. 34.A match starts at 10:10 and lasts 4 hours 20 minutes. At what time does it end? (a) 13:30 (b) 15:30 (c) 14:30
  35. 35.A match starts at 14:50 and lasts 1 hour 30 minutes. At what time does it end? (a) 15:20 (b) 17:20 (c) 16:20
  36. 36.A train leaves at 16:20 and reaches at 17:40. How long is the journey (in minutes)?
  37. 37.How many hours are there from 10:00 to 12:00?
  38. 38.A film is 3 hours 45 minutes long. How many minutes is that?
  39. 39.Write 2:00 a.m. in 24-hour time. (a) 02:00 (b) 14:00 (c) 04:00
  40. 40.How many hours are there from 09:00 to 14:00?

Answer key

  1. 75
  2. 12:40
  3. 40
  4. 175
  5. 01:50
  6. 95
  7. 180
  8. 150
  9. 250
  10. 3:05 a.m.
  11. 13:35
  12. 25
  13. 02:25
  14. 9:45 p.m.
  15. 115
  16. 14
  17. 65
  18. 11:10
  19. 2
  20. 22:30
  21. 295
  22. 03:40
  23. 7
  24. 19:30
  25. 05:25
  26. 20:50
  27. 2
  28. 15:00
  29. 08:40
  30. 6
  31. 11:55 a.m.
  32. 4
  33. 2
  34. 14:30
  35. 16:20
  36. 80
  37. 2
  38. 225
  39. 02:00
  40. 5

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