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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 903 · 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 2 hours 30 minutes long. How many minutes is that?
  2. 2.How many hours are there from 09:00 to 14:00?
  3. 3.A film is 1 hour 10 minutes long. How many minutes is that?
  4. 4.A match starts at 12:00 and lasts 1 hour 15 minutes. At what time does it end? (a) 13:15 (b) 14:15 (c) 12:15
  5. 5.A film is 3 hours 25 minutes long. How many minutes is that?
  6. 6.How many hours are there from 06:00 to 12:00?
  7. 7.A match starts at 07:50 and lasts 3 hours. At what time does it end? (a) 10:50 (b) 09:50 (c) 11:50
  8. 8.A film is 3 hours 15 minutes long. How many minutes is that?
  9. 9.A film is 4 hours 55 minutes long. How many minutes is that?
  10. 10.What is 21:15 in 12-hour time? (a) 9:15 a.m. (b) 11:15 p.m. (c) 9:15 p.m.
  11. 11.Write 7:05 a.m. in 24-hour time. (a) 19:05 (b) 09:05 (c) 07:05
  12. 12.How many hours are there from 07:00 to 10:00?
  13. 13.Write 11:05 a.m. in 24-hour time. (a) 13:05 (b) 23:05 (c) 11:05
  14. 14.A train leaves at 09:20 and reaches at 10:25. How long is the journey (in minutes)?
  15. 15.A train leaves at 08:10 and reaches at 11:20. How long is the journey (in minutes)?
  16. 16.Write 5:00 a.m. in 24-hour time. (a) 07:00 (b) 17:00 (c) 05:00
  17. 17.How many hours are there from 06:00 to 20:00?
  18. 18.A match starts at 10:40 and lasts 3 hours 35 minutes. At what time does it end? (a) 14:15 (b) 15:15 (c) 13:15
  19. 19.Write 2:40 a.m. in 24-hour time. (a) 04:40 (b) 02:40 (c) 14:40
  20. 20.How many hours are there from 10:00 to 21:00?
  21. 21.What is 06:30 in 12-hour time? (a) 8:30 a.m. (b) 6:30 a.m. (c) 6:30 p.m.
  22. 22.What is 21:55 in 12-hour time? (a) 9:55 a.m. (b) 9:55 p.m. (c) 11:55 p.m.
  23. 23.Write 7:15 a.m. in 24-hour time. (a) 07:15 (b) 19:15 (c) 09:15
  24. 24.How many hours are there from 08:00 to 12:00?
  25. 25.What is 11:35 in 12-hour time? (a) 1:35 a.m. (b) 11:35 p.m. (c) 11:35 a.m.
  26. 26.A train leaves at 15:20 and reaches at 15:50. How long is the journey (in minutes)?
  27. 27.Write 2:00 a.m. in 24-hour time. (a) 14:00 (b) 04:00 (c) 02:00
  28. 28.Write 5:00 p.m. in 24-hour time. (a) 17:00 (b) 19:00 (c) 05:00
  29. 29.A train leaves at 07:55 and reaches at 09:30. How long is the journey (in minutes)?
  30. 30.A train leaves at 12:05 and reaches at 15:15. How long is the journey (in minutes)?
  31. 31.A film is 2 hours 25 minutes long. How many minutes is that?
  32. 32.What is 21:05 in 12-hour time? (a) 9:05 a.m. (b) 9:05 p.m. (c) 11:05 p.m.
  33. 33.How many hours are there from 09:00 to 19:00?
  34. 34.A match starts at 11:10 and lasts 3 hours 10 minutes. At what time does it end? (a) 13:20 (b) 15:20 (c) 14:20
  35. 35.How many hours are there from 05:00 to 18:00?
  36. 36.A train leaves at 15:10 and reaches at 16:15. How long is the journey (in minutes)?
  37. 37.How many hours are there from 06:00 to 09:00?
  38. 38.A film is 1 hour 15 minutes long. How many minutes is that?
  39. 39.How many hours are there from 07:00 to 13:00?
  40. 40.What is 17:10 in 12-hour time? (a) 7:10 p.m. (b) 5:10 p.m. (c) 5:10 a.m.

Answer key

  1. 150
  2. 5
  3. 70
  4. 13:15
  5. 205
  6. 6
  7. 10:50
  8. 195
  9. 295
  10. 9:15 p.m.
  11. 07:05
  12. 3
  13. 11:05
  14. 65
  15. 190
  16. 05:00
  17. 14
  18. 14:15
  19. 02:40
  20. 11
  21. 6:30 a.m.
  22. 9:55 p.m.
  23. 07:15
  24. 4
  25. 11:35 a.m.
  26. 30
  27. 02:00
  28. 17:00
  29. 95
  30. 190
  31. 145
  32. 9:05 p.m.
  33. 10
  34. 14:20
  35. 13
  36. 65
  37. 3
  38. 75
  39. 6
  40. 5:10 p.m.

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