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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 239 · 40 questions
TalentJR

How to solve it (Jump to the hour): Minutes after: jump to the next full hour, then add the minutes that are left. Minutes before: jump back to the full hour, then go back the rest. How long: change both times to minutes, take away, then change back to hours and minutes (60 minutes = 1 hour).

NameDateTime takenScore ___ / 40
  1. 1.What time was it 45 minutes before 9:30? (a) 8:55 (b) 7:45 (c) 9:45 (d) 8:45
  2. 2.What time will it be 55 minutes after 2:25? (a) 3:20 (b) 3:10 (c) 2:20 (d) 4:20
  3. 3.What time will it be 55 minutes after 8:20? (a) 8:15 (b) 9:05 (c) 10:15 (d) 9:15
  4. 4.What time will it be 25 minutes after 6:10? (a) 6:25 (b) 5:35 (c) 7:35 (d) 6:35
  5. 5.What time was it 55 minutes before 5:40? (a) 4:55 (b) 5:45 (c) 4:45 (d) 3:45
  6. 6.What time will it be 35 minutes after 10:40? (a) 11:15 (b) 10:15 (c) 11:05 (d) 12:15
  7. 7.A film starts at 3:45 and ends at 6:45. How long is the film? (a) 4 h (b) 3 h (c) 3 h 10 min (d) 2 h
  8. 8.What time was it 50 minutes before 6:05? (a) 5:15 (b) 4:15 (c) 6:15 (d) 5:25
  9. 9.A film starts at 1:45 and ends at 4:00. How long is the film? (a) 2 h 25 min (b) 3 h 15 min (c) 2 h 15 min (d) 1 h 15 min
  10. 10.What time will it be 35 minutes after 3:20? (a) 2:55 (b) 3:55 (c) 3:45 (d) 4:55
  11. 11.A film starts at 4:10 and ends at 6:30. How long is the film? (a) 3 h 20 min (b) 1 h 20 min (c) 2 h 30 min (d) 2 h 20 min
  12. 12.What time was it 20 minutes before 11:40? (a) 11:20 (b) 10:20 (c) 12:20 (d) 11:30
  13. 13.What time will it be 25 minutes after 10:10? (a) 9:35 (b) 11:35 (c) 10:35 (d) 10:25
  14. 14.A film starts at 4:40 and ends at 6:35. How long is the film? (a) 2 h 5 min (b) 1 h 55 min (c) 55 min (d) 2 h 55 min
  15. 15.A film starts at 1:30 and ends at 4:20. How long is the film? (a) 3 h (b) 1 h 50 min (c) 2 h 50 min (d) 3 h 50 min
  16. 16.What time was it 50 minutes before 2:50? (a) 2:00 (b) 1:00 (c) 3:00 (d) 2:10
  17. 17.What time was it 25 minutes before 11:10? (a) 10:55 (b) 9:45 (c) 10:45 (d) 11:45
  18. 18.A film starts at 4:05 and ends at 5:45. How long is the film? (a) 2 h 40 min (b) 1 h 40 min (c) 1 h 50 min (d) 40 min
  19. 19.What time will it be 35 minutes after 4:05? (a) 4:30 (b) 3:40 (c) 5:40 (d) 4:40
  20. 20.A film starts at 7:05 and ends at 7:50. How long is the film? (a) 1 h 45 min (b) 55 min (c) 35 min (d) 45 min
  21. 21.What time was it 45 minutes before 9:15? (a) 8:30 (b) 8:40 (c) 9:30 (d) 7:30
  22. 22.What time was it 25 minutes before 8:10? (a) 8:45 (b) 7:55 (c) 7:45 (d) 6:45
  23. 23.What time will it be 25 minutes after 7:00? (a) 8:25 (b) 7:15 (c) 6:25 (d) 7:25
  24. 24.A film starts at 7:55 and ends at 9:35. How long is the film? (a) 1 h 50 min (b) 40 min (c) 1 h 40 min (d) 2 h 40 min
  25. 25.What time was it 35 minutes before 2:25? (a) 2:50 (b) 1:50 (c) 2:00 (d) 1:40
  26. 26.What time will it be 55 minutes after 3:05? (a) 3:50 (b) 3:00 (c) 4:00 (d) 5:00
  27. 27.What time will it be 15 minutes after 1:35? (a) 1:40 (b) 1:50 (c) 2:00 (d) 2:50
  28. 28.What time will it be 30 minutes after 5:00? (a) 4:30 (b) 5:20 (c) 6:30 (d) 5:30
  29. 29.A film starts at 1:50 and ends at 4:50. How long is the film? (a) 4 h (b) 2 h (c) 3 h 10 min (d) 3 h
  30. 30.What time will it be 40 minutes after 5:00? (a) 6:40 (b) 5:40 (c) 4:40 (d) 5:30
  31. 31.A film starts at 5:20 and ends at 6:45. How long is the film? (a) 2 h 25 min (b) 1 h 35 min (c) 25 min (d) 1 h 25 min
  32. 32.What time was it 35 minutes before 7:45? (a) 6:10 (b) 7:20 (c) 8:10 (d) 7:10
  33. 33.What time was it 35 minutes before 3:25? (a) 2:50 (b) 3:00 (c) 3:50 (d) 1:50
  34. 34.What time will it be 25 minutes after 1:15? (a) 1:50 (b) 2:40 (c) 1:30 (d) 1:40
  35. 35.What time will it be 50 minutes after 8:40? (a) 9:20 (b) 10:30 (c) 9:30 (d) 8:30
  36. 36.A film starts at 2:55 and ends at 5:40. How long is the film? (a) 2 h 55 min (b) 1 h 45 min (c) 3 h 45 min (d) 2 h 45 min
  37. 37.What time was it 50 minutes before 10:10? (a) 10:20 (b) 9:30 (c) 9:20 (d) 8:20
  38. 38.A film starts at 6:05 and ends at 8:55. How long is the film? (a) 3 h 50 min (b) 3 h (c) 1 h 50 min (d) 2 h 50 min
  39. 39.What time will it be 15 minutes after 4:00? (a) 4:05 (b) 5:15 (c) 4:15 (d) 3:15
  40. 40.A film starts at 3:20 and ends at 6:00. How long is the film? (a) 2 h 40 min (b) 2 h 50 min (c) 1 h 40 min (d) 3 h 40 min

Answer key

  1. 8:45
  2. 3:20
  3. 9:15
  4. 6:35
  5. 4:45
  6. 11:15
  7. 3 h
  8. 5:15
  9. 2 h 15 min
  10. 3:55
  11. 2 h 20 min
  12. 11:20
  13. 10:35
  14. 1 h 55 min
  15. 2 h 50 min
  16. 2:00
  17. 10:45
  18. 1 h 40 min
  19. 4:40
  20. 45 min
  21. 8:30
  22. 7:45
  23. 7:25
  24. 1 h 40 min
  25. 1:50
  26. 4:00
  27. 1:50
  28. 5:30
  29. 3 h
  30. 5:40
  31. 1 h 25 min
  32. 7:10
  33. 2:50
  34. 1:40
  35. 9:30
  36. 2 h 45 min
  37. 9:20
  38. 2 h 50 min
  39. 4:15
  40. 2 h 40 min

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