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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 797 · 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 4 hours 25 minutes long. How many minutes is that?
  2. 2.Write 3:45 a.m. in 24-hour time. (a) 05:45 (b) 15:45 (c) 03:45
  3. 3.What is 06:05 in 12-hour time? (a) 8:05 a.m. (b) 6:05 p.m. (c) 6:05 a.m.
  4. 4.A match starts at 12:40 and lasts 3 hours 35 minutes. At what time does it end? (a) 16:15 (b) 17:15 (c) 15:15
  5. 5.How many hours are there from 12:00 to 16:00?
  6. 6.Write 7:25 a.m. in 24-hour time. (a) 09:25 (b) 07:25 (c) 19:25
  7. 7.A film is 2 hours 30 minutes long. How many minutes is that?
  8. 8.A film is 2 hours 40 minutes long. How many minutes is that?
  9. 9.A film is 2 hours 20 minutes long. How many minutes is that?
  10. 10.Write 10:25 a.m. in 24-hour time. (a) 10:25 (b) 12:25 (c) 22:25
  11. 11.Write 5:05 p.m. in 24-hour time. (a) 19:05 (b) 17:05 (c) 05:05
  12. 12.Write 10:20 a.m. in 24-hour time. (a) 22:20 (b) 12:20 (c) 10:20
  13. 13.How many hours are there from 06:00 to 17:00?
  14. 14.A film is 3 hours 10 minutes long. How many minutes is that?
  15. 15.What is 09:25 in 12-hour time? (a) 9:25 p.m. (b) 11:25 a.m. (c) 9:25 a.m.
  16. 16.Write 3:40 p.m. in 24-hour time. (a) 17:40 (b) 15:40 (c) 03:40
  17. 17.Write 3:25 a.m. in 24-hour time. (a) 03:25 (b) 15:25 (c) 05:25
  18. 18.A train leaves at 14:45 and reaches at 15:45. How long is the journey (in minutes)?
  19. 19.Write 2:35 a.m. in 24-hour time. (a) 04:35 (b) 14:35 (c) 02:35
  20. 20.How many hours are there from 09:00 to 14:00?
  21. 21.Write 8:05 p.m. in 24-hour time. (a) 20:05 (b) 22:05 (c) 08:05
  22. 22.What is 16:40 in 12-hour time? (a) 6:40 p.m. (b) 4:40 a.m. (c) 4:40 p.m.
  23. 23.Write 10:20 p.m. in 24-hour time. (a) 22:20 (b) 10:20 (c) 00:20
  24. 24.How many hours are there from 05:00 to 17:00?
  25. 25.A train leaves at 12:55 and reaches at 14:50. How long is the journey (in minutes)?
  26. 26.How many hours are there from 11:00 to 16:00?
  27. 27.Write 4:15 p.m. in 24-hour time. (a) 18:15 (b) 04:15 (c) 16:15
  28. 28.A match starts at 12:05 and lasts 2 hours 30 minutes. At what time does it end? (a) 14:35 (b) 15:35 (c) 13:35
  29. 29.A match starts at 12:00 and lasts 1 hour 35 minutes. At what time does it end? (a) 14:35 (b) 12:35 (c) 13:35
  30. 30.What is 14:10 in 12-hour time? (a) 4:10 p.m. (b) 2:10 p.m. (c) 2:10 a.m.
  31. 31.A match starts at 17:20 and lasts 1 hour 40 minutes. At what time does it end? (a) 20:00 (b) 18:00 (c) 19:00
  32. 32.A film is 1 hour 10 minutes long. How many minutes is that?
  33. 33.How many hours are there from 06:00 to 14:00?
  34. 34.Write 10:40 p.m. in 24-hour time. (a) 10:40 (b) 22:40 (c) 00:40
  35. 35.How many hours are there from 11:00 to 23:00?
  36. 36.Write 11:15 p.m. in 24-hour time. (a) 01:15 (b) 11:15 (c) 23:15
  37. 37.What is 18:15 in 12-hour time? (a) 8:15 p.m. (b) 6:15 a.m. (c) 6:15 p.m.
  38. 38.A film is 3 hours 35 minutes long. How many minutes is that?
  39. 39.A train leaves at 09:35 and reaches at 10:10. How long is the journey (in minutes)?
  40. 40.A match starts at 08:40 and lasts 3 hours 55 minutes. At what time does it end? (a) 12:35 (b) 13:35 (c) 11:35

Answer key

  1. 265
  2. 03:45
  3. 6:05 a.m.
  4. 16:15
  5. 4
  6. 07:25
  7. 150
  8. 160
  9. 140
  10. 10:25
  11. 17:05
  12. 10:20
  13. 11
  14. 190
  15. 9:25 a.m.
  16. 15:40
  17. 03:25
  18. 60
  19. 02:35
  20. 5
  21. 20:05
  22. 4:40 p.m.
  23. 22:20
  24. 12
  25. 115
  26. 5
  27. 16:15
  28. 14:35
  29. 13:35
  30. 2:10 p.m.
  31. 19:00
  32. 70
  33. 8
  34. 22:40
  35. 12
  36. 23:15
  37. 6:15 p.m.
  38. 215
  39. 35
  40. 12:35

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