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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 124 · 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 3 hours 45 minutes long. How many minutes is that?
  2. 2.A train leaves at 09:35 and reaches at 10:05. How long is the journey (in minutes)?
  3. 3.How many hours are there from 08:00 to 12:00?
  4. 4.A train leaves at 07:00 and reaches at 08:45. How long is the journey (in minutes)?
  5. 5.What is 17:25 in 12-hour time? (a) 5:25 p.m. (b) 5:25 a.m. (c) 7:25 p.m.
  6. 6.Write 10:35 p.m. in 24-hour time. (a) 10:35 (b) 22:35 (c) 00:35
  7. 7.Write 2:00 a.m. in 24-hour time. (a) 14:00 (b) 02:00 (c) 04:00
  8. 8.A film is 2 hours 15 minutes long. How many minutes is that?
  9. 9.A train leaves at 08:35 and reaches at 11:30. How long is the journey (in minutes)?
  10. 10.Write 2:40 p.m. in 24-hour time. (a) 14:40 (b) 02:40 (c) 16:40
  11. 11.Write 10:10 a.m. in 24-hour time. (a) 12:10 (b) 10:10 (c) 22:10
  12. 12.A film is 1 hour 55 minutes long. How many minutes is that?
  13. 13.Write 3:30 a.m. in 24-hour time. (a) 15:30 (b) 05:30 (c) 03:30
  14. 14.Write 11:30 p.m. in 24-hour time. (a) 01:30 (b) 23:30 (c) 11:30
  15. 15.What is 02:10 in 12-hour time? (a) 2:10 a.m. (b) 2:10 p.m. (c) 4:10 a.m.
  16. 16.Write 2:05 p.m. in 24-hour time. (a) 02:05 (b) 14:05 (c) 16:05
  17. 17.How many hours are there from 10:00 to 18:00?
  18. 18.Write 9:55 a.m. in 24-hour time. (a) 21:55 (b) 11:55 (c) 09:55
  19. 19.A film is 4 hours 5 minutes long. How many minutes is that?
  20. 20.A match starts at 09:55 and lasts 3 hours 30 minutes. At what time does it end? (a) 12:25 (b) 14:25 (c) 13:25
  21. 21.Write 10:00 a.m. in 24-hour time. (a) 22:00 (b) 12:00 (c) 10:00
  22. 22.A train leaves at 10:40 and reaches at 11:05. How long is the journey (in minutes)?
  23. 23.A match starts at 07:15 and lasts 4 hours 10 minutes. At what time does it end? (a) 11:25 (b) 12:25 (c) 10:25
  24. 24.Write 9:25 p.m. in 24-hour time. (a) 23:25 (b) 21:25 (c) 09:25
  25. 25.A film is 4 hours 30 minutes long. How many minutes is that?
  26. 26.A film is 2 hours 55 minutes long. How many minutes is that?
  27. 27.How many hours are there from 10:00 to 17:00?
  28. 28.A train leaves at 13:10 and reaches at 16:05. How long is the journey (in minutes)?
  29. 29.A match starts at 10:25 and lasts 4 hours. At what time does it end? (a) 15:25 (b) 14:25 (c) 13:25
  30. 30.A match starts at 15:20 and lasts 1 hour 20 minutes. At what time does it end? (a) 17:40 (b) 16:40 (c) 15:40
  31. 31.How many hours are there from 05:00 to 20:00?
  32. 32.How many hours are there from 12:00 to 22:00?
  33. 33.What is 14:45 in 12-hour time? (a) 4:45 p.m. (b) 2:45 p.m. (c) 2:45 a.m.
  34. 34.A film is 3 hours 20 minutes long. How many minutes is that?
  35. 35.Write 11:10 a.m. in 24-hour time. (a) 11:10 (b) 13:10 (c) 23:10
  36. 36.Write 4:30 p.m. in 24-hour time. (a) 04:30 (b) 18:30 (c) 16:30
  37. 37.A film is 2 hours 40 minutes long. How many minutes is that?
  38. 38.How many hours are there from 12:00 to 17:00?
  39. 39.What is 01:45 in 12-hour time? (a) 1:45 p.m. (b) 1:45 a.m. (c) 3:45 a.m.
  40. 40.How many hours are there from 06:00 to 17:00?

Answer key

  1. 225
  2. 30
  3. 4
  4. 105
  5. 5:25 p.m.
  6. 22:35
  7. 02:00
  8. 135
  9. 175
  10. 14:40
  11. 10:10
  12. 115
  13. 03:30
  14. 23:30
  15. 2:10 a.m.
  16. 14:05
  17. 8
  18. 09:55
  19. 245
  20. 13:25
  21. 10:00
  22. 25
  23. 11:25
  24. 21:25
  25. 270
  26. 175
  27. 7
  28. 175
  29. 14:25
  30. 16:40
  31. 15
  32. 10
  33. 2:45 p.m.
  34. 200
  35. 11:10
  36. 16:30
  37. 160
  38. 5
  39. 1:45 a.m.
  40. 11

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