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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 336 · 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.Write 8:45 a.m. in 24-hour time. (a) 08:45 (b) 20:45 (c) 10:45
  2. 2.A film is 4 hours 55 minutes long. How many minutes is that?
  3. 3.A film is 2 hours 40 minutes long. How many minutes is that?
  4. 4.A film is 3 hours 45 minutes long. How many minutes is that?
  5. 5.Write 3:40 a.m. in 24-hour time. (a) 05:40 (b) 03:40 (c) 15:40
  6. 6.How many hours are there from 11:00 to 14:00?
  7. 7.A film is 3 hours 55 minutes long. How many minutes is that?
  8. 8.A film is 1 hour 20 minutes long. How many minutes is that?
  9. 9.A match starts at 11:15 and lasts 4 hours 40 minutes. At what time does it end? (a) 15:55 (b) 16:55 (c) 14:55
  10. 10.What is 16:50 in 12-hour time? (a) 4:50 a.m. (b) 4:50 p.m. (c) 6:50 p.m.
  11. 11.A train leaves at 17:35 and reaches at 18:15. How long is the journey (in minutes)?
  12. 12.What is 11:00 in 12-hour time? (a) 1:00 a.m. (b) 11:00 p.m. (c) 11:00 a.m.
  13. 13.A train leaves at 16:15 and reaches at 17:55. How long is the journey (in minutes)?
  14. 14.A match starts at 11:45 and lasts 2 hours 20 minutes. At what time does it end? (a) 13:05 (b) 14:05 (c) 15:05
  15. 15.A train leaves at 10:50 and reaches at 13:00. How long is the journey (in minutes)?
  16. 16.What is 01:15 in 12-hour time? (a) 3:15 a.m. (b) 1:15 p.m. (c) 1:15 a.m.
  17. 17.A film is 4 hours 5 minutes long. How many minutes is that?
  18. 18.A train leaves at 13:10 and reaches at 14:00. How long is the journey (in minutes)?
  19. 19.A film is 2 hours 55 minutes long. How many minutes is that?
  20. 20.A train leaves at 16:15 and reaches at 19:00. How long is the journey (in minutes)?
  21. 21.A train leaves at 09:00 and reaches at 11:40. How long is the journey (in minutes)?
  22. 22.Write 10:15 a.m. in 24-hour time. (a) 22:15 (b) 12:15 (c) 10:15
  23. 23.What is 07:50 in 12-hour time? (a) 7:50 p.m. (b) 7:50 a.m. (c) 9:50 a.m.
  24. 24.How many hours are there from 07:00 to 14:00?
  25. 25.How many hours are there from 07:00 to 19:00?
  26. 26.What is 16:35 in 12-hour time? (a) 6:35 p.m. (b) 4:35 p.m. (c) 4:35 a.m.
  27. 27.How many hours are there from 09:00 to 14:00?
  28. 28.What is 11:10 in 12-hour time? (a) 11:10 p.m. (b) 1:10 a.m. (c) 11:10 a.m.
  29. 29.A film is 1 hour 45 minutes long. How many minutes is that?
  30. 30.A train leaves at 16:00 and reaches at 18:00. How long is the journey (in minutes)?
  31. 31.What is 20:25 in 12-hour time? (a) 8:25 a.m. (b) 8:25 p.m. (c) 10:25 p.m.
  32. 32.A film is 3 hours 30 minutes long. How many minutes is that?
  33. 33.A film is 3 hours 10 minutes long. How many minutes is that?
  34. 34.How many hours are there from 06:00 to 15:00?
  35. 35.Write 1:15 a.m. in 24-hour time. (a) 03:15 (b) 13:15 (c) 01:15
  36. 36.Write 10:55 a.m. in 24-hour time. (a) 22:55 (b) 10:55 (c) 12:55
  37. 37.Write 4:05 p.m. in 24-hour time. (a) 04:05 (b) 18:05 (c) 16:05
  38. 38.Write 4:15 a.m. in 24-hour time. (a) 16:15 (b) 06:15 (c) 04:15
  39. 39.How many hours are there from 06:00 to 14:00?
  40. 40.How many hours are there from 09:00 to 12:00?

Answer key

  1. 08:45
  2. 295
  3. 160
  4. 225
  5. 03:40
  6. 3
  7. 235
  8. 80
  9. 15:55
  10. 4:50 p.m.
  11. 40
  12. 11:00 a.m.
  13. 100
  14. 14:05
  15. 130
  16. 1:15 a.m.
  17. 245
  18. 50
  19. 175
  20. 165
  21. 160
  22. 10:15
  23. 7:50 a.m.
  24. 7
  25. 12
  26. 4:35 p.m.
  27. 5
  28. 11:10 a.m.
  29. 105
  30. 120
  31. 8:25 p.m.
  32. 210
  33. 190
  34. 9
  35. 01:15
  36. 10:55
  37. 16:05
  38. 04:15
  39. 8
  40. 3

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