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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 370 · 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 18:15 in 12-hour time? (a) 6:15 p.m. (b) 6:15 a.m. (c) 8:15 p.m.
  2. 2.How many hours are there from 05:00 to 18:00?
  3. 3.What is 10:30 in 12-hour time? (a) 12:30 a.m. (b) 10:30 p.m. (c) 10:30 a.m.
  4. 4.How many hours are there from 08:00 to 23:00?
  5. 5.What is 21:35 in 12-hour time? (a) 9:35 p.m. (b) 9:35 a.m. (c) 11:35 p.m.
  6. 6.Write 8:45 a.m. in 24-hour time. (a) 10:45 (b) 20:45 (c) 08:45
  7. 7.How many hours are there from 05:00 to 10:00?
  8. 8.Write 11:05 p.m. in 24-hour time. (a) 11:05 (b) 23:05 (c) 01:05
  9. 9.A match starts at 08:10 and lasts 4 hours 40 minutes. At what time does it end? (a) 11:50 (b) 13:50 (c) 12:50
  10. 10.Write 5:45 p.m. in 24-hour time. (a) 05:45 (b) 19:45 (c) 17:45
  11. 11.How many hours are there from 06:00 to 13:00?
  12. 12.How many hours are there from 12:00 to 15:00?
  13. 13.A match starts at 06:55 and lasts 1 hour 35 minutes. At what time does it end? (a) 08:30 (b) 09:30 (c) 07:30
  14. 14.A match starts at 14:45 and lasts 4 hours 45 minutes. At what time does it end? (a) 20:30 (b) 18:30 (c) 19:30
  15. 15.How many hours are there from 10:00 to 19:00?
  16. 16.A film is 1 hour 10 minutes long. How many minutes is that?
  17. 17.How many hours are there from 06:00 to 11:00?
  18. 18.What is 11:10 in 12-hour time? (a) 1:10 a.m. (b) 11:10 a.m. (c) 11:10 p.m.
  19. 19.Write 7:25 a.m. in 24-hour time. (a) 07:25 (b) 09:25 (c) 19:25
  20. 20.A match starts at 13:10 and lasts 1 hour 45 minutes. At what time does it end? (a) 15:55 (b) 13:55 (c) 14:55
  21. 21.How many hours are there from 08:00 to 21:00?
  22. 22.Write 7:00 p.m. in 24-hour time. (a) 21:00 (b) 07:00 (c) 19:00
  23. 23.What is 05:30 in 12-hour time? (a) 7:30 a.m. (b) 5:30 p.m. (c) 5:30 a.m.
  24. 24.How many hours are there from 10:00 to 12:00?
  25. 25.A match starts at 09:45 and lasts 1 hour 35 minutes. At what time does it end? (a) 12:20 (b) 10:20 (c) 11:20
  26. 26.What is 17:55 in 12-hour time? (a) 5:55 a.m. (b) 5:55 p.m. (c) 7:55 p.m.
  27. 27.A train leaves at 08:55 and reaches at 09:25. How long is the journey (in minutes)?
  28. 28.Write 11:00 a.m. in 24-hour time. (a) 23:00 (b) 13:00 (c) 11:00
  29. 29.Write 2:15 p.m. in 24-hour time. (a) 16:15 (b) 14:15 (c) 02:15
  30. 30.A train leaves at 14:20 and reaches at 16:10. How long is the journey (in minutes)?
  31. 31.Write 3:35 p.m. in 24-hour time. (a) 17:35 (b) 03:35 (c) 15:35
  32. 32.A film is 2 hours 40 minutes long. How many minutes is that?
  33. 33.A match starts at 09:20 and lasts 2 hours. At what time does it end? (a) 12:20 (b) 11:20 (c) 10:20
  34. 34.How many hours are there from 08:00 to 13:00?
  35. 35.A match starts at 08:55 and lasts 1 hour 40 minutes. At what time does it end? (a) 11:35 (b) 10:35 (c) 09:35
  36. 36.A match starts at 12:10 and lasts 4 hours 5 minutes. At what time does it end? (a) 16:15 (b) 15:15 (c) 17:15
  37. 37.Write 9:50 a.m. in 24-hour time. (a) 11:50 (b) 21:50 (c) 09:50
  38. 38.How many hours are there from 06:00 to 18:00?
  39. 39.A match starts at 14:25 and lasts 2 hours 45 minutes. At what time does it end? (a) 16:10 (b) 18:10 (c) 17:10
  40. 40.A train leaves at 11:30 and reaches at 12:55. How long is the journey (in minutes)?

Answer key

  1. 6:15 p.m.
  2. 13
  3. 10:30 a.m.
  4. 15
  5. 9:35 p.m.
  6. 08:45
  7. 5
  8. 23:05
  9. 12:50
  10. 17:45
  11. 7
  12. 3
  13. 08:30
  14. 19:30
  15. 9
  16. 70
  17. 5
  18. 11:10 a.m.
  19. 07:25
  20. 14:55
  21. 13
  22. 19:00
  23. 5:30 a.m.
  24. 2
  25. 11:20
  26. 5:55 p.m.
  27. 30
  28. 11:00
  29. 14:15
  30. 110
  31. 15:35
  32. 160
  33. 11:20
  34. 5
  35. 10:35
  36. 16:15
  37. 09:50
  38. 12
  39. 17:10
  40. 85

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