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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 150 · 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 30 minutes before 5:40? (a) 5:20 (b) 4:10 (c) 6:10 (d) 5:10
  2. 2.A film starts at 3:05 and ends at 4:00. How long is the film? (a) 45 min (b) 55 min (c) 1 h 55 min (d) 1 h 5 min
  3. 3.What time was it 25 minutes before 2:00? (a) 2:35 (b) 1:25 (c) 1:35 (d) 1:45
  4. 4.A film starts at 1:05 and ends at 3:35. 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
  5. 5.What time was it 15 minutes before 10:25? (a) 11:10 (b) 9:10 (c) 10:20 (d) 10:10
  6. 6.What time will it be 55 minutes after 10:50? (a) 10:45 (b) 11:45 (c) 11:35 (d) 12:45
  7. 7.What time was it 35 minutes before 8:05? (a) 7:40 (b) 6:30 (c) 7:30 (d) 8:30
  8. 8.A film starts at 4:45 and ends at 5:45. How long is the film? (a) 1 h 10 min (b) 50 min (c) 1 h (d) 2 h
  9. 9.What time will it be 15 minutes after 5:05? (a) 5:10 (b) 5:20 (c) 4:20 (d) 6:20
  10. 10.What time was it 40 minutes before 6:00? (a) 6:20 (b) 5:20 (c) 4:20 (d) 5:30
  11. 11.What time will it be 30 minutes after 9:50? (a) 9:20 (b) 10:10 (c) 11:20 (d) 10:20
  12. 12.A film starts at 5:20 and ends at 5:50. How long is the film? (a) 20 min (b) 1 h 30 min (c) 30 min (d) 40 min
  13. 13.What time will it be 20 minutes after 3:55? (a) 5:15 (b) 4:05 (c) 3:15 (d) 4:15
  14. 14.What time will it be 40 minutes after 4:00? (a) 5:40 (b) 3:40 (c) 4:30 (d) 4:40
  15. 15.What time was it 25 minutes before 3:50? (a) 3:25 (b) 2:25 (c) 3:35 (d) 4:25
  16. 16.What time will it be 40 minutes after 10:35? (a) 11:05 (b) 11:15 (c) 12:15 (d) 10:15
  17. 17.What time was it 35 minutes before 9:20? (a) 7:45 (b) 8:45 (c) 8:55 (d) 9:45
  18. 18.A film starts at 5:05 and ends at 5:45. How long is the film? (a) 1 h 40 min (b) 30 min (c) 40 min (d) 50 min
  19. 19.What time was it 25 minutes before 3:55? (a) 3:30 (b) 2:30 (c) 3:40 (d) 4:30
  20. 20.A film starts at 3:10 and ends at 4:40. How long is the film? (a) 30 min (b) 1 h 40 min (c) 2 h 30 min (d) 1 h 30 min
  21. 21.What time will it be 55 minutes after 8:20? (a) 10:15 (b) 9:05 (c) 9:15 (d) 8:15
  22. 22.What time will it be 20 minutes after 2:45? (a) 4:05 (b) 2:05 (c) 2:55 (d) 3:05
  23. 23.A film starts at 4:10 and ends at 5:15. How long is the film? (a) 1 h 5 min (b) 2 h 5 min (c) 5 min (d) 1 h 15 min
  24. 24.What time was it 30 minutes before 10:05? (a) 10:35 (b) 9:45 (c) 9:35 (d) 8:35
  25. 25.What time was it 40 minutes before 7:45? (a) 7:05 (b) 8:05 (c) 7:15 (d) 6:05
  26. 26.What time was it 45 minutes before 5:35? (a) 5:50 (b) 5:00 (c) 4:50 (d) 3:50
  27. 27.A film starts at 7:00 and ends at 8:25. How long is the film? (a) 1 h 25 min (b) 25 min (c) 1 h 35 min (d) 2 h 25 min
  28. 28.What time was it 50 minutes before 9:25? (a) 9:35 (b) 8:45 (c) 8:35 (d) 7:35
  29. 29.What time will it be 50 minutes after 6:15? (a) 6:55 (b) 7:05 (c) 8:05 (d) 6:05
  30. 30.What time was it 20 minutes before 7:15? (a) 7:55 (b) 7:05 (c) 5:55 (d) 6:55
  31. 31.A film starts at 5:50 and ends at 7:10. How long is the film? (a) 2 h 20 min (b) 20 min (c) 1 h 30 min (d) 1 h 20 min
  32. 32.What time will it be 25 minutes after 6:15? (a) 5:40 (b) 6:40 (c) 6:30 (d) 7:40
  33. 33.What time was it 25 minutes before 2:35? (a) 1:10 (b) 3:10 (c) 2:20 (d) 2:10
  34. 34.A film starts at 4:45 and ends at 7:05. How long is the film? (a) 3 h 20 min (b) 1 h 20 min (c) 2 h 20 min (d) 2 h 30 min
  35. 35.What time will it be 45 minutes after 8:20? (a) 8:55 (b) 8:05 (c) 10:05 (d) 9:05
  36. 36.A film starts at 8:10 and ends at 10:15. How long is the film? (a) 2 h 5 min (b) 1 h 5 min (c) 3 h 5 min (d) 2 h 15 min
  37. 37.A film starts at 2:55 and ends at 5:00. How long is the film? (a) 2 h 15 min (b) 3 h 5 min (c) 1 h 5 min (d) 2 h 5 min
  38. 38.What time will it be 25 minutes after 1:15? (a) 1:30 (b) 1:50 (c) 1:40 (d) 2:40
  39. 39.A film starts at 1:00 and ends at 2:25. How long is the film? (a) 2 h 25 min (b) 25 min (c) 1 h 25 min (d) 1 h 35 min
  40. 40.A film starts at 2:40 and ends at 3:00. How long is the film? (a) 10 min (b) 30 min (c) 20 min (d) 1 h 20 min

Answer key

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

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