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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 451 · 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 40 minutes long. How many minutes is that?
  2. 2.Write 9:15 a.m. in 24-hour time. (a) 21:15 (b) 11:15 (c) 09:15
  3. 3.How many hours are there from 07:00 to 10:00?
  4. 4.What is 02:35 in 12-hour time? (a) 4:35 a.m. (b) 2:35 p.m. (c) 2:35 a.m.
  5. 5.Write 11:40 a.m. in 24-hour time. (a) 11:40 (b) 23:40 (c) 13:40
  6. 6.What is 04:15 in 12-hour time? (a) 4:15 a.m. (b) 6:15 a.m. (c) 4:15 p.m.
  7. 7.How many hours are there from 10:00 to 15:00?
  8. 8.A match starts at 09:10 and lasts 1 hour 35 minutes. At what time does it end? (a) 11:45 (b) 09:45 (c) 10:45
  9. 9.A train leaves at 13:15 and reaches at 14:15. How long is the journey (in minutes)?
  10. 10.A film is 4 hours 35 minutes long. How many minutes is that?
  11. 11.How many hours are there from 12:00 to 20:00?
  12. 12.What is 14:35 in 12-hour time? (a) 4:35 p.m. (b) 2:35 p.m. (c) 2:35 a.m.
  13. 13.A train leaves at 19:10 and reaches at 20:30. How long is the journey (in minutes)?
  14. 14.A match starts at 11:45 and lasts 4 hours 15 minutes. At what time does it end? (a) 17:00 (b) 16:00 (c) 15:00
  15. 15.What is 01:00 in 12-hour time? (a) 1:00 a.m. (b) 3:00 a.m. (c) 1:00 p.m.
  16. 16.Write 3:20 p.m. in 24-hour time. (a) 17:20 (b) 03:20 (c) 15:20
  17. 17.Write 1:10 a.m. in 24-hour time. (a) 03:10 (b) 13:10 (c) 01:10
  18. 18.A train leaves at 17:40 and reaches at 18:25. How long is the journey (in minutes)?
  19. 19.A train leaves at 17:05 and reaches at 18:25. How long is the journey (in minutes)?
  20. 20.A match starts at 14:50 and lasts 3 hours 50 minutes. At what time does it end? (a) 18:40 (b) 19:40 (c) 17:40
  21. 21.How many hours are there from 09:00 to 11:00?
  22. 22.How many hours are there from 07:00 to 16:00?
  23. 23.What is 14:15 in 12-hour time? (a) 2:15 p.m. (b) 2:15 a.m. (c) 4:15 p.m.
  24. 24.What is 11:25 in 12-hour time? (a) 1:25 a.m. (b) 11:25 p.m. (c) 11:25 a.m.
  25. 25.What is 15:40 in 12-hour time? (a) 3:40 p.m. (b) 3:40 a.m. (c) 5:40 p.m.
  26. 26.A train leaves at 10:20 and reaches at 12:20. How long is the journey (in minutes)?
  27. 27.Write 3:05 p.m. in 24-hour time. (a) 03:05 (b) 15:05 (c) 17:05
  28. 28.A train leaves at 12:30 and reaches at 14:15. How long is the journey (in minutes)?
  29. 29.A train leaves at 07:20 and reaches at 08:25. How long is the journey (in minutes)?
  30. 30.A film is 1 hour 5 minutes long. How many minutes is that?
  31. 31.A train leaves at 07:00 and reaches at 10:10. How long is the journey (in minutes)?
  32. 32.Write 3:15 p.m. in 24-hour time. (a) 03:15 (b) 17:15 (c) 15:15
  33. 33.Write 4:05 p.m. in 24-hour time. (a) 04:05 (b) 18:05 (c) 16:05
  34. 34.What is 06:50 in 12-hour time? (a) 6:50 a.m. (b) 8:50 a.m. (c) 6:50 p.m.
  35. 35.A film is 3 hours 30 minutes long. How many minutes is that?
  36. 36.A film is 4 hours 50 minutes long. How many minutes is that?
  37. 37.How many hours are there from 05:00 to 11:00?
  38. 38.Write 1:25 p.m. in 24-hour time. (a) 13:25 (b) 15:25 (c) 01:25
  39. 39.A match starts at 10:00 and lasts 3 hours 20 minutes. At what time does it end? (a) 14:20 (b) 13:20 (c) 12:20
  40. 40.A match starts at 14:45 and lasts 4 hours 55 minutes. At what time does it end? (a) 20:40 (b) 19:40 (c) 18:40

Answer key

  1. 280
  2. 09:15
  3. 3
  4. 2:35 a.m.
  5. 11:40
  6. 4:15 a.m.
  7. 5
  8. 10:45
  9. 60
  10. 275
  11. 8
  12. 2:35 p.m.
  13. 80
  14. 16:00
  15. 1:00 a.m.
  16. 15:20
  17. 01:10
  18. 45
  19. 80
  20. 18:40
  21. 2
  22. 9
  23. 2:15 p.m.
  24. 11:25 a.m.
  25. 3:40 p.m.
  26. 120
  27. 15:05
  28. 105
  29. 65
  30. 65
  31. 190
  32. 15:15
  33. 16:05
  34. 6:50 a.m.
  35. 210
  36. 290
  37. 6
  38. 13:25
  39. 13:20
  40. 19:40

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