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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 412 · 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 40 minutes before 10:30? (a) 10:00 (b) 9:50 (c) 10:50 (d) 8:50
  2. 2.A film starts at 8:45 and ends at 9:25. How long is the film? (a) 30 min (b) 1 h 40 min (c) 40 min (d) 50 min
  3. 3.What time was it 30 minutes before 3:05? (a) 3:35 (b) 2:35 (c) 1:35 (d) 2:45
  4. 4.A film starts at 7:15 and ends at 9:55. How long is the film? (a) 3 h 40 min (b) 2 h 50 min (c) 1 h 40 min (d) 2 h 40 min
  5. 5.A film starts at 2:40 and ends at 3:40. How long is the film? (a) 50 min (b) 2 h (c) 1 h (d) 1 h 10 min
  6. 6.What time was it 55 minutes before 2:20? (a) 1:15 (b) 1:35 (c) 1:25 (d) 2:25
  7. 7.What time will it be 50 minutes after 8:10? (a) 10:00 (b) 9:00 (c) 8:00 (d) 8:50
  8. 8.A film starts at 1:10 and ends at 4:05. How long is the film? (a) 3 h 55 min (b) 1 h 55 min (c) 3 h 5 min (d) 2 h 55 min
  9. 9.What time will it be 25 minutes after 7:05? (a) 6:30 (b) 7:30 (c) 7:20 (d) 8:30
  10. 10.A film starts at 6:25 and ends at 8:40. 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
  11. 11.What time will it be 45 minutes after 7:55? (a) 9:40 (b) 8:30 (c) 7:40 (d) 8:40
  12. 12.What time will it be 25 minutes after 6:15? (a) 6:30 (b) 5:40 (c) 7:40 (d) 6:40
  13. 13.What time was it 45 minutes before 7:00? (a) 5:15 (b) 6:25 (c) 6:15 (d) 7:15
  14. 14.A film starts at 4:40 and ends at 5:00. How long is the film? (a) 30 min (b) 20 min (c) 10 min (d) 1 h 20 min
  15. 15.What time will it be 30 minutes after 10:45? (a) 10:15 (b) 11:05 (c) 12:15 (d) 11:15
  16. 16.What time was it 20 minutes before 8:30? (a) 9:10 (b) 8:20 (c) 8:10 (d) 7:10
  17. 17.A film starts at 7:25 and ends at 10:25. How long is the film? (a) 3 h 10 min (b) 2 h (c) 4 h (d) 3 h
  18. 18.A film starts at 7:00 and ends at 9:10. How long is the film? (a) 2 h 10 min (b) 3 h 10 min (c) 2 h 20 min (d) 1 h 10 min
  19. 19.What time will it be 40 minutes after 1:35? (a) 1:15 (b) 2:15 (c) 3:15 (d) 2:05
  20. 20.A film starts at 3:30 and ends at 5:30. How long is the film? (a) 2 h 10 min (b) 2 h (c) 1 h (d) 3 h
  21. 21.What time was it 40 minutes before 8:05? (a) 7:25 (b) 8:25 (c) 6:25 (d) 7:35
  22. 22.What time was it 50 minutes before 10:05? (a) 9:25 (b) 8:15 (c) 10:15 (d) 9:15
  23. 23.What time will it be 50 minutes after 2:30? (a) 3:20 (b) 2:20 (c) 4:20 (d) 3:10
  24. 24.What time was it 45 minutes before 9:10? (a) 8:35 (b) 8:25 (c) 9:25 (d) 7:25
  25. 25.What time will it be 30 minutes after 10:35? (a) 10:55 (b) 12:05 (c) 11:05 (d) 10:05
  26. 26.What time was it 20 minutes before 6:20? (a) 5:00 (b) 6:00 (c) 6:10 (d) 7:00
  27. 27.What time will it be 45 minutes after 8:30? (a) 9:05 (b) 8:15 (c) 9:15 (d) 10:15
  28. 28.What time will it be 50 minutes after 8:35? (a) 9:15 (b) 10:25 (c) 9:25 (d) 8:25
  29. 29.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
  30. 30.What time will it be 35 minutes after 9:30? (a) 10:05 (b) 9:05 (c) 11:05 (d) 9:55
  31. 31.A film starts at 6:20 and ends at 7:40. How long is the film? (a) 20 min (b) 2 h 20 min (c) 1 h 20 min (d) 1 h 30 min
  32. 32.What time was it 35 minutes before 11:15? (a) 11:40 (b) 10:40 (c) 10:50 (d) 9:40
  33. 33.What time will it be 20 minutes after 4:00? (a) 3:20 (b) 4:20 (c) 5:20 (d) 4:10
  34. 34.What time was it 50 minutes before 3:30? (a) 2:50 (b) 3:40 (c) 2:40 (d) 1:40
  35. 35.What time will it be 20 minutes after 3:20? (a) 2:40 (b) 3:40 (c) 3:30 (d) 4:40
  36. 36.What time was it 15 minutes before 2:55? (a) 2:40 (b) 1:40 (c) 2:50 (d) 3:40
  37. 37.What time was it 20 minutes before 11:10? (a) 11:00 (b) 9:50 (c) 10:50 (d) 11:50
  38. 38.What time was it 45 minutes before 4:05? (a) 3:20 (b) 2:20 (c) 3:30 (d) 4:20
  39. 39.What time will it be 30 minutes after 7:50? (a) 9:20 (b) 8:10 (c) 7:20 (d) 8:20
  40. 40.What time was it 55 minutes before 5:30? (a) 5:35 (b) 4:35 (c) 3:35 (d) 4:45

Answer key

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

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