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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 94 · 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 40 minutes long. How many minutes is that?
  2. 2.A film is 4 hours 25 minutes long. How many minutes is that?
  3. 3.Write 7:05 p.m. in 24-hour time. (a) 07:05 (b) 21:05 (c) 19:05
  4. 4.A match starts at 09:30 and lasts 2 hours 5 minutes. At what time does it end? (a) 12:35 (b) 10:35 (c) 11:35
  5. 5.What is 09:45 in 12-hour time? (a) 11:45 a.m. (b) 9:45 p.m. (c) 9:45 a.m.
  6. 6.A train leaves at 19:45 and reaches at 22:55. How long is the journey (in minutes)?
  7. 7.What is 10:55 in 12-hour time? (a) 12:55 a.m. (b) 10:55 a.m. (c) 10:55 p.m.
  8. 8.A match starts at 12:45 and lasts 2 hours 45 minutes. At what time does it end? (a) 15:30 (b) 14:30 (c) 16:30
  9. 9.A train leaves at 10:50 and reaches at 11:30. How long is the journey (in minutes)?
  10. 10.A train leaves at 12:15 and reaches at 15:10. How long is the journey (in minutes)?
  11. 11.A match starts at 16:05 and lasts 4 hours 35 minutes. At what time does it end? (a) 19:40 (b) 20:40 (c) 21:40
  12. 12.A film is 3 hours 25 minutes long. How many minutes is that?
  13. 13.Write 9:35 a.m. in 24-hour time. (a) 21:35 (b) 09:35 (c) 11:35
  14. 14.Write 6:35 a.m. in 24-hour time. (a) 18:35 (b) 08:35 (c) 06:35
  15. 15.Write 3:10 p.m. in 24-hour time. (a) 17:10 (b) 15:10 (c) 03:10
  16. 16.A train leaves at 08:25 and reaches at 10:05. How long is the journey (in minutes)?
  17. 17.A film is 3 hours 35 minutes long. How many minutes is that?
  18. 18.What is 16:15 in 12-hour time? (a) 4:15 p.m. (b) 4:15 a.m. (c) 6:15 p.m.
  19. 19.What is 23:50 in 12-hour time? (a) 1:50 p.m. (b) 11:50 a.m. (c) 11:50 p.m.
  20. 20.What is 09:15 in 12-hour time? (a) 9:15 a.m. (b) 9:15 p.m. (c) 11:15 a.m.
  21. 21.How many hours are there from 09:00 to 20:00?
  22. 22.How many hours are there from 10:00 to 18:00?
  23. 23.What is 03:50 in 12-hour time? (a) 3:50 p.m. (b) 3:50 a.m. (c) 5:50 a.m.
  24. 24.How many hours are there from 11:00 to 14:00?
  25. 25.Write 9:55 a.m. in 24-hour time. (a) 09:55 (b) 21:55 (c) 11:55
  26. 26.A train leaves at 07:10 and reaches at 08:10. How long is the journey (in minutes)?
  27. 27.Write 11:15 a.m. in 24-hour time. (a) 13:15 (b) 23:15 (c) 11:15
  28. 28.A train leaves at 18:00 and reaches at 20:10. How long is the journey (in minutes)?
  29. 29.How many hours are there from 09:00 to 19:00?
  30. 30.A match starts at 10:55 and lasts 1 hour 40 minutes. At what time does it end? (a) 11:35 (b) 13:35 (c) 12:35
  31. 31.Write 5:10 p.m. in 24-hour time. (a) 17:10 (b) 19:10 (c) 05:10
  32. 32.How many hours are there from 07:00 to 12:00?
  33. 33.Write 10:50 a.m. in 24-hour time. (a) 12:50 (b) 10:50 (c) 22:50
  34. 34.A match starts at 11:40 and lasts 1 hour 25 minutes. At what time does it end? (a) 13:05 (b) 12:05 (c) 14:05
  35. 35.A match starts at 10:00 and lasts 1 hour. At what time does it end? (a) 11:00 (b) 10:00 (c) 12:00
  36. 36.What is 07:10 in 12-hour time? (a) 7:10 p.m. (b) 9:10 a.m. (c) 7:10 a.m.
  37. 37.A film is 2 hours 35 minutes long. How many minutes is that?
  38. 38.A match starts at 13:05 and lasts 4 hours 40 minutes. At what time does it end? (a) 16:45 (b) 18:45 (c) 17:45
  39. 39.A train leaves at 17:25 and reaches at 19:35. How long is the journey (in minutes)?
  40. 40.Write 7:20 a.m. in 24-hour time. (a) 07:20 (b) 19:20 (c) 09:20

Answer key

  1. 100
  2. 265
  3. 19:05
  4. 11:35
  5. 9:45 a.m.
  6. 190
  7. 10:55 a.m.
  8. 15:30
  9. 40
  10. 175
  11. 20:40
  12. 205
  13. 09:35
  14. 06:35
  15. 15:10
  16. 100
  17. 215
  18. 4:15 p.m.
  19. 11:50 p.m.
  20. 9:15 a.m.
  21. 11
  22. 8
  23. 3:50 a.m.
  24. 3
  25. 09:55
  26. 60
  27. 11:15
  28. 130
  29. 10
  30. 12:35
  31. 17:10
  32. 5
  33. 10:50
  34. 13:05
  35. 11:00
  36. 7:10 a.m.
  37. 155
  38. 17:45
  39. 130
  40. 07:20

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