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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 111 · 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 15 minutes before 10:30? (a) 10:15 (b) 10:25 (c) 9:15 (d) 11:15
  2. 2.What time will it be 40 minutes after 6:15? (a) 6:45 (b) 6:55 (c) 7:55 (d) 5:55
  3. 3.A film starts at 2:10 and ends at 3:55. How long is the film? (a) 1 h 55 min (b) 1 h 45 min (c) 2 h 45 min (d) 45 min
  4. 4.What time was it 55 minutes before 4:25? (a) 3:30 (b) 3:40 (c) 4:30 (d) 2:30
  5. 5.What time will it be 45 minutes after 9:50? (a) 9:35 (b) 10:35 (c) 11:35 (d) 10:25
  6. 6.A film starts at 7:20 and ends at 8:50. How long is the film? (a) 1 h 30 min (b) 30 min (c) 1 h 40 min (d) 2 h 30 min
  7. 7.What time will it be 35 minutes after 8:50? (a) 8:25 (b) 10:25 (c) 9:15 (d) 9:25
  8. 8.A film starts at 6:55 and ends at 7:30. How long is the film? (a) 45 min (b) 25 min (c) 1 h 35 min (d) 35 min
  9. 9.A film starts at 5:25 and ends at 6:15. How long is the film? (a) 40 min (b) 1 h (c) 50 min (d) 1 h 50 min
  10. 10.What time was it 50 minutes before 10:00? (a) 9:20 (b) 9:10 (c) 10:10 (d) 8:10
  11. 11.What time was it 40 minutes before 5:40? (a) 5:10 (b) 6:00 (c) 5:00 (d) 4:00
  12. 12.A film starts at 1:25 and ends at 2:15. How long is the film? (a) 50 min (b) 40 min (c) 1 h 50 min (d) 1 h
  13. 13.What time was it 45 minutes before 5:55? (a) 5:10 (b) 6:10 (c) 5:20 (d) 4:10
  14. 14.What time was it 40 minutes before 3:15? (a) 2:35 (b) 1:35 (c) 3:35 (d) 2:45
  15. 15.What time will it be 45 minutes after 7:05? (a) 6:50 (b) 8:50 (c) 7:50 (d) 7:40
  16. 16.What time was it 45 minutes before 3:00? (a) 1:15 (b) 3:15 (c) 2:25 (d) 2:15
  17. 17.What time was it 35 minutes before 9:45? (a) 8:10 (b) 10:10 (c) 9:10 (d) 9:20
  18. 18.What time will it be 30 minutes after 4:35? (a) 4:55 (b) 6:05 (c) 4:05 (d) 5:05
  19. 19.A film starts at 1:00 and ends at 2:25. How long is the film? (a) 1 h 35 min (b) 25 min (c) 1 h 25 min (d) 2 h 25 min
  20. 20.What time will it be 40 minutes after 2:10? (a) 2:40 (b) 2:50 (c) 3:50 (d) 1:50
  21. 21.What time was it 20 minutes before 9:30? (a) 8:10 (b) 9:10 (c) 9:20 (d) 10:10
  22. 22.A film starts at 3:55 and ends at 4:20. How long is the film? (a) 15 min (b) 1 h 25 min (c) 25 min (d) 35 min
  23. 23.A film starts at 2:50 and ends at 4:00. How long is the film? (a) 10 min (b) 1 h 10 min (c) 1 h 20 min (d) 2 h 10 min
  24. 24.A film starts at 4:30 and ends at 6:30. How long is the film? (a) 3 h (b) 2 h (c) 1 h (d) 2 h 10 min
  25. 25.What time will it be 45 minutes after 5:45? (a) 5:30 (b) 6:20 (c) 7:30 (d) 6:30
  26. 26.What time will it be 20 minutes after 3:30? (a) 2:50 (b) 3:40 (c) 4:50 (d) 3:50
  27. 27.A film starts at 2:45 and ends at 4:30. How long is the film? (a) 45 min (b) 1 h 45 min (c) 1 h 55 min (d) 2 h 45 min
  28. 28.A film starts at 6:30 and ends at 7:35. How long is the film? (a) 5 min (b) 1 h 15 min (c) 2 h 5 min (d) 1 h 5 min
  29. 29.What time was it 40 minutes before 8:45? (a) 9:05 (b) 8:15 (c) 7:05 (d) 8:05
  30. 30.What time will it be 50 minutes after 10:30? (a) 11:10 (b) 12:20 (c) 10:20 (d) 11:20
  31. 31.What time was it 40 minutes before 9:55? (a) 9:15 (b) 8:15 (c) 10:15 (d) 9:25
  32. 32.A film starts at 6:30 and ends at 8:05. How long is the film? (a) 2 h 35 min (b) 35 min (c) 1 h 35 min (d) 1 h 45 min
  33. 33.What time was it 35 minutes before 3:05? (a) 2:30 (b) 1:30 (c) 3:30 (d) 2:40
  34. 34.What time will it be 45 minutes after 3:10? (a) 3:55 (b) 3:45 (c) 2:55 (d) 4:55
  35. 35.What time will it be 40 minutes after 1:35? (a) 2:15 (b) 2:05 (c) 1:15 (d) 3:15
  36. 36.A film starts at 4:10 and ends at 5:15. How long is the film? (a) 1 h 5 min (b) 1 h 15 min (c) 5 min (d) 2 h 5 min
  37. 37.A film starts at 8:25 and ends at 9:30. How long is the film? (a) 1 h 5 min (b) 5 min (c) 2 h 5 min (d) 1 h 15 min
  38. 38.A film starts at 5:45 and ends at 6:20. How long is the film? (a) 35 min (b) 45 min (c) 25 min (d) 1 h 35 min
  39. 39.What time will it be 50 minutes after 6:20? (a) 6:10 (b) 7:00 (c) 8:10 (d) 7:10
  40. 40.A film starts at 5:15 and ends at 7:45. How long is the film? (a) 3 h 30 min (b) 1 h 30 min (c) 2 h 30 min (d) 2 h 40 min

Answer key

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

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