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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 700 · 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 match starts at 09:50 and lasts 1 hour 35 minutes. At what time does it end? (a) 12:25 (b) 11:25 (c) 10:25
  2. 2.A film is 4 hours 5 minutes long. How many minutes is that?
  3. 3.Write 7:45 a.m. in 24-hour time. (a) 07:45 (b) 19:45 (c) 09:45
  4. 4.How many hours are there from 05:00 to 13:00?
  5. 5.Write 5:50 a.m. in 24-hour time. (a) 05:50 (b) 07:50 (c) 17:50
  6. 6.Write 8:35 a.m. in 24-hour time. (a) 20:35 (b) 10:35 (c) 08:35
  7. 7.A train leaves at 12:50 and reaches at 14:25. How long is the journey (in minutes)?
  8. 8.What is 15:05 in 12-hour time? (a) 3:05 a.m. (b) 5:05 p.m. (c) 3:05 p.m.
  9. 9.Write 2:15 a.m. in 24-hour time. (a) 14:15 (b) 02:15 (c) 04:15
  10. 10.What is 19:00 in 12-hour time? (a) 7:00 p.m. (b) 9:00 p.m. (c) 7:00 a.m.
  11. 11.A film is 3 hours 30 minutes long. How many minutes is that?
  12. 12.A film is 1 hour 15 minutes long. How many minutes is that?
  13. 13.A match starts at 18:20 and lasts 1 hour 55 minutes. At what time does it end? (a) 20:15 (b) 21:15 (c) 19:15
  14. 14.A train leaves at 06:55 and reaches at 10:00. How long is the journey (in minutes)?
  15. 15.Write 4:10 a.m. in 24-hour time. (a) 04:10 (b) 16:10 (c) 06:10
  16. 16.Write 3:30 a.m. in 24-hour time. (a) 15:30 (b) 03:30 (c) 05:30
  17. 17.What is 02:05 in 12-hour time? (a) 4:05 a.m. (b) 2:05 a.m. (c) 2:05 p.m.
  18. 18.How many hours are there from 05:00 to 18:00?
  19. 19.A film is 3 hours 20 minutes long. How many minutes is that?
  20. 20.How many hours are there from 11:00 to 23:00?
  21. 21.A match starts at 07:15 and lasts 2 hours 35 minutes. At what time does it end? (a) 09:50 (b) 08:50 (c) 10:50
  22. 22.What is 04:50 in 12-hour time? (a) 4:50 p.m. (b) 4:50 a.m. (c) 6:50 a.m.
  23. 23.Write 10:45 a.m. in 24-hour time. (a) 22:45 (b) 12:45 (c) 10:45
  24. 24.A film is 3 hours 40 minutes long. How many minutes is that?
  25. 25.What is 19:55 in 12-hour time? (a) 7:55 a.m. (b) 7:55 p.m. (c) 9:55 p.m.
  26. 26.How many hours are there from 05:00 to 12:00?
  27. 27.A match starts at 13:40 and lasts 4 hours 5 minutes. At what time does it end? (a) 17:45 (b) 18:45 (c) 16:45
  28. 28.Write 6:00 p.m. in 24-hour time. (a) 18:00 (b) 06:00 (c) 20:00
  29. 29.How many hours are there from 12:00 to 21:00?
  30. 30.Write 5:40 p.m. in 24-hour time. (a) 19:40 (b) 05:40 (c) 17:40
  31. 31.How many hours are there from 09:00 to 23:00?
  32. 32.A match starts at 08:00 and lasts 2 hours 55 minutes. At what time does it end? (a) 09:55 (b) 10:55 (c) 11:55
  33. 33.Write 1:35 p.m. in 24-hour time. (a) 01:35 (b) 15:35 (c) 13:35
  34. 34.A train leaves at 09:25 and reaches at 10:40. How long is the journey (in minutes)?
  35. 35.A train leaves at 16:15 and reaches at 17:10. How long is the journey (in minutes)?
  36. 36.A match starts at 17:25 and lasts 1 hour. At what time does it end? (a) 17:25 (b) 18:25 (c) 19:25
  37. 37.Write 2:10 a.m. in 24-hour time. (a) 14:10 (b) 04:10 (c) 02:10
  38. 38.Write 3:20 a.m. in 24-hour time. (a) 05:20 (b) 15:20 (c) 03:20
  39. 39.A film is 1 hour 35 minutes long. How many minutes is that?
  40. 40.What is 06:30 in 12-hour time? (a) 8:30 a.m. (b) 6:30 p.m. (c) 6:30 a.m.

Answer key

  1. 11:25
  2. 245
  3. 07:45
  4. 8
  5. 05:50
  6. 08:35
  7. 95
  8. 3:05 p.m.
  9. 02:15
  10. 7:00 p.m.
  11. 210
  12. 75
  13. 20:15
  14. 185
  15. 04:10
  16. 03:30
  17. 2:05 a.m.
  18. 13
  19. 200
  20. 12
  21. 09:50
  22. 4:50 a.m.
  23. 10:45
  24. 220
  25. 7:55 p.m.
  26. 7
  27. 17:45
  28. 18:00
  29. 9
  30. 17:40
  31. 14
  32. 10:55
  33. 13:35
  34. 75
  35. 55
  36. 18:25
  37. 02:10
  38. 03:20
  39. 95
  40. 6:30 a.m.

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