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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 79 · 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 30 minutes after 7:05? (a) 6:35 (b) 7:35 (c) 8:35 (d) 7:25
  2. 2.A film starts at 8:50 and ends at 10:35. How long is the film? (a) 1 h 55 min (b) 45 min (c) 2 h 45 min (d) 1 h 45 min
  3. 3.What time will it be 25 minutes after 1:10? (a) 1:45 (b) 2:35 (c) 1:35 (d) 1:25
  4. 4.A film starts at 3:15 and ends at 6:15. How long is the film? (a) 2 h (b) 3 h 10 min (c) 4 h (d) 3 h
  5. 5.What time was it 25 minutes before 2:05? (a) 2:40 (b) 1:50 (c) 1:40 (d) 1:30
  6. 6.What time was it 45 minutes before 10:15? (a) 9:40 (b) 9:30 (c) 8:30 (d) 10:30
  7. 7.What time was it 40 minutes before 11:25? (a) 11:45 (b) 10:55 (c) 9:45 (d) 10:45
  8. 8.A film starts at 2:20 and ends at 2:55. How long is the film? (a) 45 min (b) 35 min (c) 25 min (d) 1 h 35 min
  9. 9.A film starts at 4:10 and ends at 5:45. How long is the film? (a) 2 h 35 min (b) 1 h 45 min (c) 1 h 35 min (d) 35 min
  10. 10.A film starts at 2:50 and ends at 4:25. How long is the film? (a) 35 min (b) 1 h 35 min (c) 1 h 45 min (d) 2 h 35 min
  11. 11.A film starts at 5:05 and ends at 6:15. How long is the film? (a) 10 min (b) 1 h 10 min (c) 2 h 10 min (d) 1 h 20 min
  12. 12.A film starts at 3:40 and ends at 4:05. How long is the film? (a) 35 min (b) 25 min (c) 1 h 25 min (d) 15 min
  13. 13.A film starts at 4:25 and ends at 7:20. How long is the film? (a) 3 h 55 min (b) 2 h 55 min (c) 1 h 55 min (d) 3 h 5 min
  14. 14.A film starts at 6:10 and ends at 7:55. How long is the film? (a) 45 min (b) 2 h 45 min (c) 1 h 55 min (d) 1 h 45 min
  15. 15.What time was it 40 minutes before 6:35? (a) 4:55 (b) 6:05 (c) 6:55 (d) 5:55
  16. 16.A film starts at 5:45 and ends at 8:00. How long is the film? (a) 3 h 15 min (b) 1 h 15 min (c) 2 h 25 min (d) 2 h 15 min
  17. 17.What time was it 35 minutes before 6:20? (a) 5:45 (b) 4:45 (c) 6:45 (d) 5:55
  18. 18.A film starts at 4:00 and ends at 4:25. How long is the film? (a) 25 min (b) 35 min (c) 1 h 25 min (d) 15 min
  19. 19.What time was it 45 minutes before 8:20? (a) 7:35 (b) 8:35 (c) 6:35 (d) 7:45
  20. 20.What time will it be 20 minutes after 1:30? (a) 1:40 (b) 2:50 (c) 2:00 (d) 1:50
  21. 21.What time will it be 40 minutes after 1:20? (a) 1:50 (b) 2:00 (c) 1:00 (d) 3:00
  22. 22.A film starts at 7:40 and ends at 8:15. How long is the film? (a) 35 min (b) 1 h 35 min (c) 25 min (d) 45 min
  23. 23.A film starts at 4:20 and ends at 5:55. How long is the film? (a) 2 h 35 min (b) 1 h 45 min (c) 1 h 35 min (d) 35 min
  24. 24.What time was it 25 minutes before 2:50? (a) 2:35 (b) 3:25 (c) 2:25 (d) 1:25
  25. 25.What time was it 50 minutes before 3:05? (a) 2:15 (b) 1:15 (c) 3:15 (d) 2:25
  26. 26.What time was it 40 minutes before 4:05? (a) 3:35 (b) 2:25 (c) 4:25 (d) 3:25
  27. 27.What time will it be 15 minutes after 2:10? (a) 2:25 (b) 1:25 (c) 2:15 (d) 3:25
  28. 28.What time will it be 55 minutes after 4:35? (a) 5:30 (b) 6:30 (c) 5:20 (d) 4:30
  29. 29.What time will it be 35 minutes after 10:50? (a) 11:25 (b) 11:15 (c) 10:25 (d) 12:25
  30. 30.What time was it 30 minutes before 5:35? (a) 5:05 (b) 5:15 (c) 6:05 (d) 4:05
  31. 31.A film starts at 2:30 and ends at 5:05. How long is the film? (a) 2 h 35 min (b) 2 h 45 min (c) 3 h 35 min (d) 1 h 35 min
  32. 32.A film starts at 5:45 and ends at 8:30. How long is the film? (a) 1 h 45 min (b) 3 h 45 min (c) 2 h 55 min (d) 2 h 45 min
  33. 33.What time was it 25 minutes before 3:10? (a) 1:45 (b) 3:45 (c) 2:55 (d) 2:45
  34. 34.What time will it be 25 minutes after 3:55? (a) 4:10 (b) 5:20 (c) 4:20 (d) 3:20
  35. 35.What time was it 25 minutes before 3:45? (a) 2:20 (b) 3:30 (c) 3:20 (d) 4:20
  36. 36.What time will it be 45 minutes after 7:15? (a) 9:00 (b) 8:00 (c) 7:50 (d) 7:00
  37. 37.What time was it 20 minutes before 10:40? (a) 9:20 (b) 10:30 (c) 11:20 (d) 10:20
  38. 38.What time will it be 45 minutes after 3:00? (a) 3:35 (b) 4:45 (c) 3:45 (d) 2:45
  39. 39.What time was it 45 minutes before 3:30? (a) 3:45 (b) 2:55 (c) 1:45 (d) 2:45
  40. 40.A film starts at 3:30 and ends at 4:55. How long is the film? (a) 25 min (b) 2 h 25 min (c) 1 h 35 min (d) 1 h 25 min

Answer key

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

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