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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 102 · 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 40 minutes long. How many minutes is that?
  2. 2.How many hours are there from 10:00 to 16:00?
  3. 3.Write 3:15 p.m. in 24-hour time. (a) 17:15 (b) 15:15 (c) 03:15
  4. 4.What is 23:30 in 12-hour time? (a) 1:30 p.m. (b) 11:30 a.m. (c) 11:30 p.m.
  5. 5.Write 8:40 a.m. in 24-hour time. (a) 08:40 (b) 10:40 (c) 20:40
  6. 6.A match starts at 12:40 and lasts 3 hours 10 minutes. At what time does it end? (a) 14:50 (b) 16:50 (c) 15:50
  7. 7.A film is 2 hours 25 minutes long. How many minutes is that?
  8. 8.A film is 1 hour 25 minutes long. How many minutes is that?
  9. 9.A film is 1 hour 15 minutes long. How many minutes is that?
  10. 10.What is 21:40 in 12-hour time? (a) 9:40 p.m. (b) 9:40 a.m. (c) 11:40 p.m.
  11. 11.A match starts at 18:20 and lasts 4 hours 45 minutes. At what time does it end? (a) 22:05 (b) 00:05 (c) 23:05
  12. 12.Write 8:20 a.m. in 24-hour time. (a) 10:20 (b) 20:20 (c) 08:20
  13. 13.A film is 3 hours 5 minutes long. How many minutes is that?
  14. 14.A train leaves at 10:05 and reaches at 10:50. How long is the journey (in minutes)?
  15. 15.A train leaves at 11:45 and reaches at 14:35. How long is the journey (in minutes)?
  16. 16.A match starts at 15:05 and lasts 1 hour 25 minutes. At what time does it end? (a) 16:30 (b) 17:30 (c) 15:30
  17. 17.A train leaves at 12:25 and reaches at 15:40. How long is the journey (in minutes)?
  18. 18.A film is 2 hours 55 minutes long. How many minutes is that?
  19. 19.How many hours are there from 07:00 to 16:00?
  20. 20.A film is 3 hours 25 minutes long. How many minutes is that?
  21. 21.How many hours are there from 12:00 to 23:00?
  22. 22.A match starts at 11:20 and lasts 4 hours. At what time does it end? (a) 14:20 (b) 16:20 (c) 15:20
  23. 23.How many hours are there from 10:00 to 19:00?
  24. 24.How many hours are there from 05:00 to 14:00?
  25. 25.How many hours are there from 06:00 to 20:00?
  26. 26.Write 11:50 p.m. in 24-hour time. (a) 23:50 (b) 11:50 (c) 01:50
  27. 27.What is 18:50 in 12-hour time? (a) 6:50 p.m. (b) 6:50 a.m. (c) 8:50 p.m.
  28. 28.How many hours are there from 10:00 to 13:00?
  29. 29.What is 11:45 in 12-hour time? (a) 1:45 a.m. (b) 11:45 p.m. (c) 11:45 a.m.
  30. 30.A film is 4 hours 15 minutes long. How many minutes is that?
  31. 31.What is 10:30 in 12-hour time? (a) 10:30 p.m. (b) 12:30 a.m. (c) 10:30 a.m.
  32. 32.How many hours are there from 10:00 to 21:00?
  33. 33.Write 1:50 a.m. in 24-hour time. (a) 01:50 (b) 13:50 (c) 03:50
  34. 34.A match starts at 07:30 and lasts 1 hour 55 minutes. At what time does it end? (a) 08:25 (b) 09:25 (c) 10:25
  35. 35.What is 05:00 in 12-hour time? (a) 5:00 p.m. (b) 7:00 a.m. (c) 5:00 a.m.
  36. 36.How many hours are there from 09:00 to 13:00?
  37. 37.A match starts at 17:55 and lasts 3 hours 20 minutes. At what time does it end? (a) 20:15 (b) 21:15 (c) 22:15
  38. 38.What is 18:00 in 12-hour time? (a) 6:00 p.m. (b) 8:00 p.m. (c) 6:00 a.m.
  39. 39.A match starts at 07:30 and lasts 1 hour 5 minutes. At what time does it end? (a) 07:35 (b) 09:35 (c) 08:35
  40. 40.A match starts at 08:15 and lasts 3 hours. At what time does it end? (a) 12:15 (b) 11:15 (c) 10:15

Answer key

  1. 160
  2. 6
  3. 15:15
  4. 11:30 p.m.
  5. 08:40
  6. 15:50
  7. 145
  8. 85
  9. 75
  10. 9:40 p.m.
  11. 23:05
  12. 08:20
  13. 185
  14. 45
  15. 170
  16. 16:30
  17. 195
  18. 175
  19. 9
  20. 205
  21. 11
  22. 15:20
  23. 9
  24. 9
  25. 14
  26. 23:50
  27. 6:50 p.m.
  28. 3
  29. 11:45 a.m.
  30. 255
  31. 10:30 a.m.
  32. 11
  33. 01:50
  34. 09:25
  35. 5:00 a.m.
  36. 4
  37. 21:15
  38. 6:00 p.m.
  39. 08:35
  40. 11:15

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