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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 381 · 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.What is 03:55 in 12-hour time? (a) 5:55 a.m. (b) 3:55 a.m. (c) 3:55 p.m.
  2. 2.A film is 2 hours 15 minutes long. How many minutes is that?
  3. 3.A film is 1 hour 40 minutes long. How many minutes is that?
  4. 4.Write 5:40 a.m. in 24-hour time. (a) 07:40 (b) 17:40 (c) 05:40
  5. 5.How many hours are there from 05:00 to 17:00?
  6. 6.A film is 1 hour 30 minutes long. How many minutes is that?
  7. 7.A film is 1 hour 50 minutes long. How many minutes is that?
  8. 8.How many hours are there from 06:00 to 10:00?
  9. 9.Write 1:45 a.m. in 24-hour time. (a) 13:45 (b) 01:45 (c) 03:45
  10. 10.A film is 4 hours 10 minutes long. How many minutes is that?
  11. 11.What is 08:10 in 12-hour time? (a) 8:10 a.m. (b) 10:10 a.m. (c) 8:10 p.m.
  12. 12.Write 4:40 a.m. in 24-hour time. (a) 16:40 (b) 06:40 (c) 04:40
  13. 13.A match starts at 10:00 and lasts 3 hours 25 minutes. At what time does it end? (a) 13:25 (b) 12:25 (c) 14:25
  14. 14.What is 07:10 in 12-hour time? (a) 7:10 p.m. (b) 9:10 a.m. (c) 7:10 a.m.
  15. 15.A train leaves at 17:45 and reaches at 20:20. How long is the journey (in minutes)?
  16. 16.What is 03:50 in 12-hour time? (a) 3:50 p.m. (b) 3:50 a.m. (c) 5:50 a.m.
  17. 17.Write 3:35 p.m. in 24-hour time. (a) 17:35 (b) 03:35 (c) 15:35
  18. 18.Write 6:45 a.m. in 24-hour time. (a) 18:45 (b) 08:45 (c) 06:45
  19. 19.How many hours are there from 07:00 to 15:00?
  20. 20.What is 09:50 in 12-hour time? (a) 11:50 a.m. (b) 9:50 p.m. (c) 9:50 a.m.
  21. 21.A train leaves at 10:10 and reaches at 11:30. How long is the journey (in minutes)?
  22. 22.What is 10:05 in 12-hour time? (a) 12:05 a.m. (b) 10:05 p.m. (c) 10:05 a.m.
  23. 23.Write 1:05 a.m. in 24-hour time. (a) 13:05 (b) 03:05 (c) 01:05
  24. 24.A match starts at 16:15 and lasts 1 hour. At what time does it end? (a) 17:15 (b) 16:15 (c) 18:15
  25. 25.A train leaves at 08:10 and reaches at 10:25. How long is the journey (in minutes)?
  26. 26.Write 7:30 p.m. in 24-hour time. (a) 19:30 (b) 07:30 (c) 21:30
  27. 27.Write 5:10 p.m. in 24-hour time. (a) 05:10 (b) 19:10 (c) 17:10
  28. 28.What is 10:00 in 12-hour time? (a) 10:00 a.m. (b) 10:00 p.m. (c) 12:00 a.m.
  29. 29.A match starts at 13:15 and lasts 1 hour 25 minutes. At what time does it end? (a) 13:40 (b) 15:40 (c) 14:40
  30. 30.Write 9:10 a.m. in 24-hour time. (a) 21:10 (b) 09:10 (c) 11:10
  31. 31.A train leaves at 17:25 and reaches at 18:40. How long is the journey (in minutes)?
  32. 32.A train leaves at 12:20 and reaches at 14:00. How long is the journey (in minutes)?
  33. 33.A film is 4 hours 50 minutes long. How many minutes is that?
  34. 34.How many hours are there from 08:00 to 16:00?
  35. 35.Write 11:10 p.m. in 24-hour time. (a) 01:10 (b) 11:10 (c) 23:10
  36. 36.What is 11:50 in 12-hour time? (a) 11:50 a.m. (b) 11:50 p.m. (c) 1:50 a.m.
  37. 37.A match starts at 18:00 and lasts 3 hours 30 minutes. At what time does it end? (a) 22:30 (b) 21:30 (c) 20:30
  38. 38.A match starts at 11:40 and lasts 2 hours 15 minutes. At what time does it end? (a) 14:55 (b) 13:55 (c) 12:55
  39. 39.What is 16:10 in 12-hour time? (a) 4:10 a.m. (b) 4:10 p.m. (c) 6:10 p.m.
  40. 40.What is 19:20 in 12-hour time? (a) 7:20 p.m. (b) 9:20 p.m. (c) 7:20 a.m.

Answer key

  1. 3:55 a.m.
  2. 135
  3. 100
  4. 05:40
  5. 12
  6. 90
  7. 110
  8. 4
  9. 01:45
  10. 250
  11. 8:10 a.m.
  12. 04:40
  13. 13:25
  14. 7:10 a.m.
  15. 155
  16. 3:50 a.m.
  17. 15:35
  18. 06:45
  19. 8
  20. 9:50 a.m.
  21. 80
  22. 10:05 a.m.
  23. 01:05
  24. 17:15
  25. 135
  26. 19:30
  27. 17:10
  28. 10:00 a.m.
  29. 14:40
  30. 09:10
  31. 75
  32. 100
  33. 290
  34. 8
  35. 23:10
  36. 11:50 a.m.
  37. 21:30
  38. 13:55
  39. 4:10 p.m.
  40. 7:20 p.m.

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