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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 635 · 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 will it be 45 minutes after 8:00? (a) 8:45 (b) 9:45 (c) 8:35 (d) 7:45
  2. 2.What time will it be 35 minutes after 3:50? (a) 4:25 (b) 3:25 (c) 5:25 (d) 4:15
  3. 3.What time was it 50 minutes before 11:00? (a) 11:10 (b) 9:10 (c) 10:20 (d) 10:10
  4. 4.What time will it be 25 minutes after 8:30? (a) 9:55 (b) 8:45 (c) 8:55 (d) 7:55
  5. 5.A film starts at 8:05 and ends at 11:05. How long is the film? (a) 4 h (b) 3 h (c) 3 h 10 min (d) 2 h
  6. 6.A film starts at 3:40 and ends at 4:50. How long is the film? (a) 1 h 10 min (b) 2 h 10 min (c) 10 min (d) 1 h 20 min
  7. 7.What time was it 25 minutes before 6:30? (a) 6:15 (b) 5:05 (c) 7:05 (d) 6:05
  8. 8.What time will it be 35 minutes after 8:00? (a) 7:35 (b) 8:25 (c) 8:35 (d) 9:35
  9. 9.What time will it be 25 minutes after 2:45? (a) 3:10 (b) 2:10 (c) 4:10 (d) 3:00
  10. 10.What time was it 30 minutes before 5:10? (a) 3:40 (b) 4:50 (c) 5:40 (d) 4:40
  11. 11.What time was it 40 minutes before 3:10? (a) 2:40 (b) 2:30 (c) 1:30 (d) 3:30
  12. 12.What time was it 45 minutes before 11:25? (a) 10:40 (b) 10:50 (c) 9:40 (d) 11:40
  13. 13.A film starts at 5:10 and ends at 6:35. How long is the film? (a) 2 h 25 min (b) 25 min (c) 1 h 25 min (d) 1 h 35 min
  14. 14.What time will it be 25 minutes after 5:30? (a) 4:55 (b) 6:55 (c) 5:45 (d) 5:55
  15. 15.A film starts at 7:05 and ends at 9:55. How long is the film? (a) 3 h 50 min (b) 3 h (c) 2 h 50 min (d) 1 h 50 min
  16. 16.What time was it 55 minutes before 3:35? (a) 2:50 (b) 1:40 (c) 3:40 (d) 2:40
  17. 17.What time will it be 55 minutes after 3:05? (a) 5:00 (b) 4:00 (c) 3:00 (d) 3:50
  18. 18.A film starts at 4:35 and ends at 6:40. How long is the film? (a) 1 h 5 min (b) 3 h 5 min (c) 2 h 15 min (d) 2 h 5 min
  19. 19.What time was it 55 minutes before 9:30? (a) 7:35 (b) 8:35 (c) 8:45 (d) 9:35
  20. 20.A film starts at 2:55 and ends at 5:10. How long is the film? (a) 3 h 15 min (b) 2 h 15 min (c) 1 h 15 min (d) 2 h 25 min
  21. 21.A film starts at 2:00 and ends at 4:30. How long is the film? (a) 1 h 30 min (b) 3 h 30 min (c) 2 h 40 min (d) 2 h 30 min
  22. 22.A film starts at 7:50 and ends at 9:00. How long is the film? (a) 10 min (b) 1 h 10 min (c) 2 h 10 min (d) 1 h 20 min
  23. 23.What time was it 35 minutes before 10:25? (a) 10:00 (b) 8:50 (c) 9:50 (d) 10:50
  24. 24.What time was it 25 minutes before 2:05? (a) 1:40 (b) 1:30 (c) 2:40 (d) 1:50
  25. 25.What time will it be 20 minutes after 8:30? (a) 7:50 (b) 9:50 (c) 8:40 (d) 8:50
  26. 26.What time was it 55 minutes before 2:30? (a) 1:45 (b) 1:25 (c) 2:35 (d) 1:35
  27. 27.A film starts at 6:40 and ends at 7:30. How long is the film? (a) 50 min (b) 1 h 50 min (c) 1 h (d) 40 min
  28. 28.What time was it 20 minutes before 9:20? (a) 8:00 (b) 9:00 (c) 9:10 (d) 10:00
  29. 29.A film starts at 1:40 and ends at 4:10. How long is the film? (a) 2 h 40 min (b) 2 h 30 min (c) 1 h 30 min (d) 3 h 30 min
  30. 30.A film starts at 8:00 and ends at 9:50. How long is the film? (a) 2 h 50 min (b) 50 min (c) 1 h 50 min (d) 2 h
  31. 31.A film starts at 8:30 and ends at 9:45. How long is the film? (a) 1 h 15 min (b) 1 h 25 min (c) 15 min (d) 2 h 15 min
  32. 32.What time was it 25 minutes before 3:45? (a) 2:20 (b) 3:30 (c) 3:20 (d) 4:20
  33. 33.A film starts at 1:10 and ends at 3:55. How long is the film? (a) 1 h 45 min (b) 2 h 55 min (c) 2 h 45 min (d) 3 h 45 min
  34. 34.What time was it 50 minutes before 3:20? (a) 3:30 (b) 2:40 (c) 2:30 (d) 1:30
  35. 35.A film starts at 2:30 and ends at 3:15. How long is the film? (a) 55 min (b) 35 min (c) 45 min (d) 1 h 45 min
  36. 36.What time will it be 20 minutes after 1:20? (a) 1:30 (b) 2:40 (c) 1:40 (d) 1:50
  37. 37.A film starts at 3:10 and ends at 3:40. How long is the film? (a) 1 h 30 min (b) 20 min (c) 30 min (d) 40 min
  38. 38.What time will it be 15 minutes after 6:00? (a) 6:05 (b) 6:15 (c) 7:15 (d) 5:15
  39. 39.What time was it 35 minutes before 3:50? (a) 2:15 (b) 4:15 (c) 3:25 (d) 3:15
  40. 40.A film starts at 6:50 and ends at 9:50. How long is the film? (a) 3 h (b) 3 h 10 min (c) 4 h (d) 2 h

Answer key

  1. 8:45
  2. 4:25
  3. 10:10
  4. 8:55
  5. 3 h
  6. 1 h 10 min
  7. 6:05
  8. 8:35
  9. 3:10
  10. 4:40
  11. 2:30
  12. 10:40
  13. 1 h 25 min
  14. 5:55
  15. 2 h 50 min
  16. 2:40
  17. 4:00
  18. 2 h 5 min
  19. 8:35
  20. 2 h 15 min
  21. 2 h 30 min
  22. 1 h 10 min
  23. 9:50
  24. 1:40
  25. 8:50
  26. 1:35
  27. 50 min
  28. 9:00
  29. 2 h 30 min
  30. 1 h 50 min
  31. 1 h 15 min
  32. 3:20
  33. 2 h 45 min
  34. 2:30
  35. 45 min
  36. 1:40
  37. 30 min
  38. 6:15
  39. 3:15
  40. 3 h

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