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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 445 · 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 30 minutes long. How many minutes is that?
  2. 2.How many hours are there from 07:00 to 10:00?
  3. 3.Write 11:25 a.m. in 24-hour time. (a) 11:25 (b) 13:25 (c) 23:25
  4. 4.Write 10:35 p.m. in 24-hour time. (a) 22:35 (b) 10:35 (c) 00:35
  5. 5.Write 9:20 a.m. in 24-hour time. (a) 21:20 (b) 09:20 (c) 11:20
  6. 6.A train leaves at 15:15 and reaches at 17:05. How long is the journey (in minutes)?
  7. 7.What is 03:40 in 12-hour time? (a) 3:40 p.m. (b) 5:40 a.m. (c) 3:40 a.m.
  8. 8.Write 5:45 p.m. in 24-hour time. (a) 19:45 (b) 05:45 (c) 17:45
  9. 9.What is 17:50 in 12-hour time? (a) 5:50 a.m. (b) 7:50 p.m. (c) 5:50 p.m.
  10. 10.What is 14:15 in 12-hour time? (a) 4:15 p.m. (b) 2:15 p.m. (c) 2:15 a.m.
  11. 11.A film is 4 hours 20 minutes long. How many minutes is that?
  12. 12.What is 04:50 in 12-hour time? (a) 4:50 a.m. (b) 4:50 p.m. (c) 6:50 a.m.
  13. 13.A train leaves at 15:50 and reaches at 17:45. How long is the journey (in minutes)?
  14. 14.How many hours are there from 12:00 to 17:00?
  15. 15.A match starts at 08:55 and lasts 2 hours 55 minutes. At what time does it end? (a) 12:50 (b) 11:50 (c) 10:50
  16. 16.A film is 4 hours 10 minutes long. How many minutes is that?
  17. 17.A match starts at 11:35 and lasts 3 hours 50 minutes. At what time does it end? (a) 14:25 (b) 15:25 (c) 16:25
  18. 18.A match starts at 13:00 and lasts 1 hour 5 minutes. At what time does it end? (a) 13:05 (b) 14:05 (c) 15:05
  19. 19.Write 11:40 a.m. in 24-hour time. (a) 13:40 (b) 11:40 (c) 23:40
  20. 20.How many hours are there from 06:00 to 17:00?
  21. 21.A train leaves at 10:25 and reaches at 12:45. How long is the journey (in minutes)?
  22. 22.A match starts at 16:20 and lasts 3 hours 30 minutes. At what time does it end? (a) 20:50 (b) 18:50 (c) 19:50
  23. 23.What is 13:15 in 12-hour time? (a) 1:15 a.m. (b) 1:15 p.m. (c) 3:15 p.m.
  24. 24.A train leaves at 13:20 and reaches at 15:50. How long is the journey (in minutes)?
  25. 25.How many hours are there from 12:00 to 14:00?
  26. 26.What is 02:15 in 12-hour time? (a) 2:15 p.m. (b) 2:15 a.m. (c) 4:15 a.m.
  27. 27.Write 9:50 p.m. in 24-hour time. (a) 21:50 (b) 09:50 (c) 23:50
  28. 28.A film is 3 hours 35 minutes long. How many minutes is that?
  29. 29.A film is 1 hour 10 minutes long. How many minutes is that?
  30. 30.How many hours are there from 07:00 to 12:00?
  31. 31.A film is 1 hour 50 minutes long. How many minutes is that?
  32. 32.A film is 3 hours 15 minutes long. How many minutes is that?
  33. 33.What is 09:25 in 12-hour time? (a) 9:25 p.m. (b) 9:25 a.m. (c) 11:25 a.m.
  34. 34.What is 18:55 in 12-hour time? (a) 6:55 a.m. (b) 8:55 p.m. (c) 6:55 p.m.
  35. 35.What is 18:30 in 12-hour time? (a) 8:30 p.m. (b) 6:30 p.m. (c) 6:30 a.m.
  36. 36.A film is 2 hours 5 minutes long. How many minutes is that?
  37. 37.What is 20:15 in 12-hour time? (a) 10:15 p.m. (b) 8:15 a.m. (c) 8:15 p.m.
  38. 38.Write 8:25 a.m. in 24-hour time. (a) 20:25 (b) 08:25 (c) 10:25
  39. 39.A train leaves at 16:35 and reaches at 17:50. How long is the journey (in minutes)?
  40. 40.A match starts at 15:45 and lasts 4 hours 30 minutes. At what time does it end? (a) 19:15 (b) 21:15 (c) 20:15

Answer key

  1. 90
  2. 3
  3. 11:25
  4. 22:35
  5. 09:20
  6. 110
  7. 3:40 a.m.
  8. 17:45
  9. 5:50 p.m.
  10. 2:15 p.m.
  11. 260
  12. 4:50 a.m.
  13. 115
  14. 5
  15. 11:50
  16. 250
  17. 15:25
  18. 14:05
  19. 11:40
  20. 11
  21. 140
  22. 19:50
  23. 1:15 p.m.
  24. 150
  25. 2
  26. 2:15 a.m.
  27. 21:50
  28. 215
  29. 70
  30. 5
  31. 110
  32. 195
  33. 9:25 a.m.
  34. 6:55 p.m.
  35. 6:30 p.m.
  36. 125
  37. 8:15 p.m.
  38. 08:25
  39. 75
  40. 20:15

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