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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 656 · 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.A film starts at 4:40 and ends at 5:35. How long is the film? (a) 1 h 5 min (b) 45 min (c) 55 min (d) 1 h 55 min
  2. 2.What time will it be 15 minutes after 6:15? (a) 5:30 (b) 6:20 (c) 7:30 (d) 6:30
  3. 3.What time was it 35 minutes before 7:55? (a) 8:20 (b) 7:30 (c) 6:20 (d) 7:20
  4. 4.What time will it be 15 minutes after 8:20? (a) 9:35 (b) 8:35 (c) 8:25 (d) 7:35
  5. 5.What time will it be 20 minutes after 6:05? (a) 7:25 (b) 6:15 (c) 5:25 (d) 6:25
  6. 6.What time was it 25 minutes before 2:40? (a) 2:15 (b) 3:15 (c) 2:25 (d) 1:15
  7. 7.A film starts at 5:10 and ends at 7:00. How long is the film? (a) 2 h (b) 2 h 50 min (c) 1 h 50 min (d) 50 min
  8. 8.What time will it be 15 minutes after 4:35? (a) 4:50 (b) 5:50 (c) 3:50 (d) 4:40
  9. 9.A film starts at 5:35 and ends at 8:35. How long is the film? (a) 4 h (b) 3 h (c) 2 h (d) 3 h 10 min
  10. 10.What time will it be 15 minutes after 3:05? (a) 4:20 (b) 2:20 (c) 3:10 (d) 3:20
  11. 11.A film starts at 2:30 and ends at 4:15. How long is the film? (a) 45 min (b) 1 h 55 min (c) 2 h 45 min (d) 1 h 45 min
  12. 12.What time was it 25 minutes before 6:15? (a) 5:50 (b) 4:50 (c) 6:50 (d) 6:00
  13. 13.What time was it 15 minutes before 5:10? (a) 5:55 (b) 5:05 (c) 3:55 (d) 4:55
  14. 14.What time will it be 45 minutes after 2:50? (a) 2:35 (b) 3:35 (c) 4:35 (d) 3:25
  15. 15.What time was it 15 minutes before 3:50? (a) 3:35 (b) 3:45 (c) 2:35 (d) 4:35
  16. 16.A film starts at 3:55 and ends at 5:05. How long is the film? (a) 1 h 20 min (b) 2 h 10 min (c) 1 h 10 min (d) 10 min
  17. 17.What time will it be 45 minutes after 1:40? (a) 2:25 (b) 3:25 (c) 1:25 (d) 2:15
  18. 18.What time was it 25 minutes before 4:45? (a) 3:20 (b) 4:30 (c) 5:20 (d) 4:20
  19. 19.What time was it 55 minutes before 8:45? (a) 8:00 (b) 8:50 (c) 6:50 (d) 7:50
  20. 20.A film starts at 1:50 and ends at 2:20. How long is the film? (a) 20 min (b) 40 min (c) 30 min (d) 1 h 30 min
  21. 21.What time will it be 25 minutes after 9:00? (a) 9:15 (b) 8:25 (c) 9:25 (d) 10:25
  22. 22.What time was it 25 minutes before 7:20? (a) 7:05 (b) 5:55 (c) 7:55 (d) 6:55
  23. 23.What time will it be 25 minutes after 9:30? (a) 8:55 (b) 10:55 (c) 9:55 (d) 9:45
  24. 24.What time will it be 50 minutes after 6:45? (a) 8:35 (b) 7:25 (c) 7:35 (d) 6:35
  25. 25.A film starts at 2:40 and ends at 4:05. How long is the film? (a) 1 h 35 min (b) 25 min (c) 2 h 25 min (d) 1 h 25 min
  26. 26.What time will it be 20 minutes after 3:00? (a) 2:20 (b) 4:20 (c) 3:10 (d) 3:20
  27. 27.A film starts at 2:45 and ends at 4:30. How long is the film? (a) 1 h 55 min (b) 1 h 45 min (c) 45 min (d) 2 h 45 min
  28. 28.A film starts at 4:20 and ends at 5:10. How long is the film? (a) 1 h (b) 1 h 50 min (c) 50 min (d) 40 min
  29. 29.What time will it be 50 minutes after 7:35? (a) 9:25 (b) 7:25 (c) 8:15 (d) 8:25
  30. 30.A film starts at 1:40 and ends at 2:25. How long is the film? (a) 35 min (b) 55 min (c) 45 min (d) 1 h 45 min
  31. 31.What time will it be 15 minutes after 3:35? (a) 3:50 (b) 2:50 (c) 4:50 (d) 3:40
  32. 32.What time will it be 30 minutes after 9:40? (a) 11:10 (b) 10:00 (c) 9:10 (d) 10:10
  33. 33.What time was it 55 minutes before 6:50? (a) 6:05 (b) 4:55 (c) 5:55 (d) 6:55
  34. 34.A film starts at 6:30 and ends at 9:20. How long is the film? (a) 1 h 50 min (b) 3 h 50 min (c) 3 h (d) 2 h 50 min
  35. 35.A film starts at 2:50 and ends at 4:30. How long is the film? (a) 1 h 40 min (b) 1 h 50 min (c) 40 min (d) 2 h 40 min
  36. 36.What time was it 20 minutes before 5:30? (a) 6:10 (b) 5:20 (c) 4:10 (d) 5:10
  37. 37.A film starts at 4:25 and ends at 5:05. How long is the film? (a) 40 min (b) 30 min (c) 1 h 40 min (d) 50 min
  38. 38.What time was it 40 minutes before 11:05? (a) 9:25 (b) 10:25 (c) 11:25 (d) 10:35
  39. 39.What time was it 35 minutes before 7:40? (a) 7:15 (b) 6:05 (c) 7:05 (d) 8:05
  40. 40.What time will it be 25 minutes after 6:10? (a) 6:25 (b) 5:35 (c) 6:35 (d) 7:35

Answer key

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

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