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Class 4 Maths Worksheet: 24-Hour Clock

Maths worksheets lesson 30: The 24-hour clock and time taken · Set 821 · 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 03:50 in 12-hour time? (a) 3:50 a.m. (b) 5:50 a.m. (c) 3:50 p.m.
  2. 2.A film is 2 hours 5 minutes long. How many minutes is that?
  3. 3.Write 8:50 a.m. in 24-hour time. (a) 10:50 (b) 08:50 (c) 20:50
  4. 4.Write 10:10 a.m. in 24-hour time. (a) 12:10 (b) 10:10 (c) 22:10
  5. 5.A train leaves at 15:55 and reaches at 19:00. How long is the journey (in minutes)?
  6. 6.A train leaves at 12:30 and reaches at 13:15. How long is the journey (in minutes)?
  7. 7.Write 7:25 p.m. in 24-hour time. (a) 07:25 (b) 21:25 (c) 19:25
  8. 8.A train leaves at 08:40 and reaches at 11:10. How long is the journey (in minutes)?
  9. 9.A match starts at 07:00 and lasts 1 hour. At what time does it end? (a) 08:00 (b) 07:00 (c) 09:00
  10. 10.A film is 3 hours 15 minutes long. How many minutes is that?
  11. 11.A match starts at 16:15 and lasts 1 hour 10 minutes. At what time does it end? (a) 18:25 (b) 17:25 (c) 16:25
  12. 12.What is 21:25 in 12-hour time? (a) 9:25 a.m. (b) 9:25 p.m. (c) 11:25 p.m.
  13. 13.A match starts at 17:15 and lasts 1 hour 20 minutes. At what time does it end? (a) 19:35 (b) 18:35 (c) 17:35
  14. 14.A film is 1 hour 35 minutes long. How many minutes is that?
  15. 15.What is 21:05 in 12-hour time? (a) 9:05 p.m. (b) 9:05 a.m. (c) 11:05 p.m.
  16. 16.How many hours are there from 05:00 to 23:00?
  17. 17.A match starts at 13:05 and lasts 2 hours 50 minutes. At what time does it end? (a) 14:55 (b) 16:55 (c) 15:55
  18. 18.What is 23:00 in 12-hour time? (a) 1:00 p.m. (b) 11:00 p.m. (c) 11:00 a.m.
  19. 19.A film is 4 hours 40 minutes long. How many minutes is that?
  20. 20.Write 8:30 a.m. in 24-hour time. (a) 08:30 (b) 20:30 (c) 10:30
  21. 21.A film is 1 hour 30 minutes long. How many minutes is that?
  22. 22.A train leaves at 14:40 and reaches at 15:15. How long is the journey (in minutes)?
  23. 23.Write 5:00 p.m. in 24-hour time. (a) 19:00 (b) 05:00 (c) 17:00
  24. 24.How many hours are there from 12:00 to 14:00?
  25. 25.A match starts at 18:15 and lasts 2 hours 20 minutes. At what time does it end? (a) 19:35 (b) 20:35 (c) 21:35
  26. 26.A match starts at 13:45 and lasts 1 hour 20 minutes. At what time does it end? (a) 15:05 (b) 14:05 (c) 16:05
  27. 27.How many hours are there from 06:00 to 18:00?
  28. 28.How many hours are there from 10:00 to 13:00?
  29. 29.A match starts at 15:00 and lasts 2 hours 20 minutes. At what time does it end? (a) 17:20 (b) 18:20 (c) 16:20
  30. 30.How many hours are there from 11:00 to 23:00?
  31. 31.What is 03:05 in 12-hour time? (a) 5:05 a.m. (b) 3:05 a.m. (c) 3:05 p.m.
  32. 32.A film is 1 hour 45 minutes long. How many minutes is that?
  33. 33.A film is 3 hours 25 minutes long. How many minutes is that?
  34. 34.How many hours are there from 10:00 to 21:00?
  35. 35.Write 6:20 p.m. in 24-hour time. (a) 18:20 (b) 06:20 (c) 20:20
  36. 36.What is 09:55 in 12-hour time? (a) 9:55 p.m. (b) 9:55 a.m. (c) 11:55 a.m.
  37. 37.Write 6:35 a.m. in 24-hour time. (a) 18:35 (b) 08:35 (c) 06:35
  38. 38.A train leaves at 12:30 and reaches at 13:20. How long is the journey (in minutes)?
  39. 39.What is 02:10 in 12-hour time? (a) 2:10 a.m. (b) 4:10 a.m. (c) 2:10 p.m.
  40. 40.What is 03:20 in 12-hour time? (a) 5:20 a.m. (b) 3:20 p.m. (c) 3:20 a.m.

Answer key

  1. 3:50 a.m.
  2. 125
  3. 08:50
  4. 10:10
  5. 185
  6. 45
  7. 19:25
  8. 150
  9. 08:00
  10. 195
  11. 17:25
  12. 9:25 p.m.
  13. 18:35
  14. 95
  15. 9:05 p.m.
  16. 18
  17. 15:55
  18. 11:00 p.m.
  19. 280
  20. 08:30
  21. 90
  22. 35
  23. 17:00
  24. 2
  25. 20:35
  26. 15:05
  27. 12
  28. 3
  29. 17:20
  30. 12
  31. 3:05 a.m.
  32. 105
  33. 205
  34. 11
  35. 18:20
  36. 9:55 a.m.
  37. 06:35
  38. 50
  39. 2:10 a.m.
  40. 3:20 a.m.

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