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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 195 · 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.Write 7:45 a.m. in 24-hour time. (a) 07:45 (b) 19:45 (c) 09:45
  2. 2.A film is 3 hours 25 minutes long. How many minutes is that?
  3. 3.Write 1:10 a.m. in 24-hour time. (a) 01:10 (b) 03:10 (c) 13:10
  4. 4.A film is 1 hour 20 minutes long. How many minutes is that?
  5. 5.A film is 2 hours 25 minutes long. How many minutes is that?
  6. 6.Write 4:40 a.m. in 24-hour time. (a) 16:40 (b) 06:40 (c) 04:40
  7. 7.How many hours are there from 05:00 to 17:00?
  8. 8.A match starts at 15:00 and lasts 3 hours. At what time does it end? (a) 19:00 (b) 18:00 (c) 17:00
  9. 9.A match starts at 10:10 and lasts 4 hours 45 minutes. At what time does it end? (a) 14:55 (b) 15:55 (c) 13:55
  10. 10.How many hours are there from 12:00 to 14:00?
  11. 11.A film is 3 hours 20 minutes long. How many minutes is that?
  12. 12.A train leaves at 13:00 and reaches at 15:35. How long is the journey (in minutes)?
  13. 13.A train leaves at 16:35 and reaches at 19:35. How long is the journey (in minutes)?
  14. 14.A match starts at 09:05 and lasts 2 hours 40 minutes. At what time does it end? (a) 12:45 (b) 11:45 (c) 10:45
  15. 15.A match starts at 09:30 and lasts 1 hour 10 minutes. At what time does it end? (a) 09:40 (b) 11:40 (c) 10:40
  16. 16.A film is 4 hours 30 minutes long. How many minutes is that?
  17. 17.Write 9:40 p.m. in 24-hour time. (a) 23:40 (b) 21:40 (c) 09:40
  18. 18.Write 11:05 a.m. in 24-hour time. (a) 13:05 (b) 11:05 (c) 23:05
  19. 19.Write 11:35 a.m. in 24-hour time. (a) 23:35 (b) 11:35 (c) 13:35
  20. 20.A film is 2 hours 20 minutes long. How many minutes is that?
  21. 21.What is 06:00 in 12-hour time? (a) 6:00 p.m. (b) 6:00 a.m. (c) 8:00 a.m.
  22. 22.A match starts at 18:50 and lasts 2 hours 35 minutes. At what time does it end? (a) 22:25 (b) 21:25 (c) 20:25
  23. 23.Write 10:45 p.m. in 24-hour time. (a) 10:45 (b) 22:45 (c) 00:45
  24. 24.A film is 3 hours 5 minutes long. How many minutes is that?
  25. 25.A film is 1 hour 45 minutes long. How many minutes is that?
  26. 26.Write 7:30 a.m. in 24-hour time. (a) 07:30 (b) 09:30 (c) 19:30
  27. 27.What is 18:10 in 12-hour time? (a) 6:10 a.m. (b) 6:10 p.m. (c) 8:10 p.m.
  28. 28.A film is 4 hours 10 minutes long. How many minutes is that?
  29. 29.A film is 1 hour 30 minutes long. How many minutes is that?
  30. 30.What is 01:50 in 12-hour time? (a) 1:50 a.m. (b) 1:50 p.m. (c) 3:50 a.m.
  31. 31.How many hours are there from 07:00 to 19:00?
  32. 32.What is 09:05 in 12-hour time? (a) 9:05 p.m. (b) 9:05 a.m. (c) 11:05 a.m.
  33. 33.A match starts at 13:45 and lasts 2 hours 55 minutes. At what time does it end? (a) 15:40 (b) 16:40 (c) 17:40
  34. 34.How many hours are there from 07:00 to 10:00?
  35. 35.A film is 2 hours 45 minutes long. How many minutes is that?
  36. 36.Write 8:05 a.m. in 24-hour time. (a) 10:05 (b) 08:05 (c) 20:05
  37. 37.A film is 3 hours 35 minutes long. How many minutes is that?
  38. 38.A film is 1 hour 5 minutes long. How many minutes is that?
  39. 39.A film is 2 hours 55 minutes long. How many minutes is that?
  40. 40.A match starts at 09:15 and lasts 1 hour 55 minutes. At what time does it end? (a) 10:10 (b) 11:10 (c) 12:10

Answer key

  1. 07:45
  2. 205
  3. 01:10
  4. 80
  5. 145
  6. 04:40
  7. 12
  8. 18:00
  9. 14:55
  10. 2
  11. 200
  12. 155
  13. 180
  14. 11:45
  15. 10:40
  16. 270
  17. 21:40
  18. 11:05
  19. 11:35
  20. 140
  21. 6:00 a.m.
  22. 21:25
  23. 22:45
  24. 185
  25. 105
  26. 07:30
  27. 6:10 p.m.
  28. 250
  29. 90
  30. 1:50 a.m.
  31. 12
  32. 9:05 a.m.
  33. 16:40
  34. 3
  35. 165
  36. 08:05
  37. 215
  38. 65
  39. 175
  40. 11:10

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