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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 704 · 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.What is 11:10 in 12-hour time? (a) 1:10 a.m. (b) 11:10 a.m. (c) 11:10 p.m.
  2. 2.A train leaves at 13:05 and reaches at 14:10. How long is the journey (in minutes)?
  3. 3.How many hours are there from 05:00 to 14:00?
  4. 4.What is 21:05 in 12-hour time? (a) 9:05 p.m. (b) 9:05 a.m. (c) 11:05 p.m.
  5. 5.Write 2:00 a.m. in 24-hour time. (a) 04:00 (b) 02:00 (c) 14:00
  6. 6.A match starts at 16:40 and lasts 1 hour 50 minutes. At what time does it end? (a) 18:30 (b) 17:30 (c) 19:30
  7. 7.Write 4:00 p.m. in 24-hour time. (a) 18:00 (b) 04:00 (c) 16:00
  8. 8.A match starts at 11:25 and lasts 3 hours 55 minutes. At what time does it end? (a) 16:20 (b) 14:20 (c) 15:20
  9. 9.A train leaves at 06:55 and reaches at 09:00. How long is the journey (in minutes)?
  10. 10.What is 04:50 in 12-hour time? (a) 6:50 a.m. (b) 4:50 p.m. (c) 4:50 a.m.
  11. 11.A film is 3 hours 10 minutes long. How many minutes is that?
  12. 12.A film is 1 hour 40 minutes long. How many minutes is that?
  13. 13.A film is 2 hours 15 minutes long. How many minutes is that?
  14. 14.A train leaves at 16:10 and reaches at 17:05. How long is the journey (in minutes)?
  15. 15.A train leaves at 06:50 and reaches at 08:35. How long is the journey (in minutes)?
  16. 16.A train leaves at 15:40 and reaches at 18:15. How long is the journey (in minutes)?
  17. 17.Write 1:15 a.m. in 24-hour time. (a) 13:15 (b) 03:15 (c) 01:15
  18. 18.A match starts at 15:00 and lasts 1 hour 45 minutes. At what time does it end? (a) 17:45 (b) 15:45 (c) 16:45
  19. 19.A film is 3 hours 30 minutes long. How many minutes is that?
  20. 20.A film is 3 hours 40 minutes long. How many minutes is that?
  21. 21.How many hours are there from 07:00 to 11:00?
  22. 22.A film is 3 hours 35 minutes long. How many minutes is that?
  23. 23.What is 08:25 in 12-hour time? (a) 8:25 a.m. (b) 10:25 a.m. (c) 8:25 p.m.
  24. 24.What is 17:20 in 12-hour time? (a) 5:20 a.m. (b) 7:20 p.m. (c) 5:20 p.m.
  25. 25.A film is 2 hours 55 minutes long. How many minutes is that?
  26. 26.What is 02:05 in 12-hour time? (a) 2:05 p.m. (b) 2:05 a.m. (c) 4:05 a.m.
  27. 27.Write 10:30 a.m. in 24-hour time. (a) 12:30 (b) 10:30 (c) 22:30
  28. 28.A match starts at 12:05 and lasts 3 hours 25 minutes. At what time does it end? (a) 14:30 (b) 16:30 (c) 15:30
  29. 29.A train leaves at 09:10 and reaches at 12:00. How long is the journey (in minutes)?
  30. 30.A film is 4 hours 55 minutes long. How many minutes is that?
  31. 31.Write 3:35 p.m. in 24-hour time. (a) 17:35 (b) 03:35 (c) 15:35
  32. 32.How many hours are there from 12:00 to 16:00?
  33. 33.What is 22:10 in 12-hour time? (a) 10:10 p.m. (b) 10:10 a.m. (c) 12:10 p.m.
  34. 34.A match starts at 18:05 and lasts 3 hours 30 minutes. At what time does it end? (a) 21:35 (b) 20:35 (c) 22:35
  35. 35.A train leaves at 19:05 and reaches at 20:00. How long is the journey (in minutes)?
  36. 36.Write 3:20 a.m. in 24-hour time. (a) 15:20 (b) 03:20 (c) 05:20
  37. 37.Write 11:15 a.m. in 24-hour time. (a) 13:15 (b) 11:15 (c) 23:15
  38. 38.How many hours are there from 08:00 to 13:00?
  39. 39.Write 10:25 p.m. in 24-hour time. (a) 00:25 (b) 22:25 (c) 10:25
  40. 40.Write 9:25 p.m. in 24-hour time. (a) 09:25 (b) 21:25 (c) 23:25

Answer key

  1. 11:10 a.m.
  2. 65
  3. 9
  4. 9:05 p.m.
  5. 02:00
  6. 18:30
  7. 16:00
  8. 15:20
  9. 125
  10. 4:50 a.m.
  11. 190
  12. 100
  13. 135
  14. 55
  15. 105
  16. 155
  17. 01:15
  18. 16:45
  19. 210
  20. 220
  21. 4
  22. 215
  23. 8:25 a.m.
  24. 5:20 p.m.
  25. 175
  26. 2:05 a.m.
  27. 10:30
  28. 15:30
  29. 170
  30. 295
  31. 15:35
  32. 4
  33. 10:10 p.m.
  34. 21:35
  35. 55
  36. 03:20
  37. 11:15
  38. 5
  39. 22:25
  40. 21:25

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