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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 330 · 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 15 minutes after 7:20? (a) 7:25 (b) 7:35 (c) 8:35 (d) 6:35
  2. 2.A film starts at 8:20 and ends at 9:35. How long is the film? (a) 2 h 15 min (b) 1 h 25 min (c) 15 min (d) 1 h 15 min
  3. 3.What time will it be 30 minutes after 2:05? (a) 1:35 (b) 3:35 (c) 2:25 (d) 2:35
  4. 4.A film starts at 1:30 and ends at 2:40. How long is the film? (a) 1 h 10 min (b) 1 h 20 min (c) 10 min (d) 2 h 10 min
  5. 5.What time will it be 55 minutes after 9:00? (a) 9:45 (b) 9:55 (c) 10:55 (d) 8:55
  6. 6.A film starts at 8:40 and ends at 9:05. How long is the film? (a) 35 min (b) 15 min (c) 25 min (d) 1 h 25 min
  7. 7.What time will it be 45 minutes after 6:30? (a) 7:05 (b) 8:15 (c) 6:15 (d) 7:15
  8. 8.A film starts at 1:25 and ends at 3:30. 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
  9. 9.A film starts at 3:05 and ends at 5:00. How long is the film? (a) 2 h 5 min (b) 1 h 55 min (c) 55 min (d) 2 h 55 min
  10. 10.A film starts at 4:50 and ends at 7:40. How long is the film? (a) 3 h 50 min (b) 3 h (c) 2 h 50 min (d) 1 h 50 min
  11. 11.What time will it be 50 minutes after 1:25? (a) 2:05 (b) 1:15 (c) 2:15 (d) 3:15
  12. 12.What time was it 25 minutes before 11:10? (a) 10:55 (b) 9:45 (c) 11:45 (d) 10:45
  13. 13.What time will it be 40 minutes after 2:00? (a) 2:30 (b) 3:40 (c) 1:40 (d) 2:40
  14. 14.A film starts at 7:45 and ends at 9:00. How long is the film? (a) 1 h 15 min (b) 1 h 25 min (c) 2 h 15 min (d) 15 min
  15. 15.What time will it be 55 minutes after 3:45? (a) 5:40 (b) 3:40 (c) 4:40 (d) 4:30
  16. 16.What time was it 15 minutes before 10:30? (a) 11:15 (b) 10:25 (c) 9:15 (d) 10:15
  17. 17.A film starts at 3:45 and ends at 4:05. How long is the film? (a) 1 h 20 min (b) 30 min (c) 20 min (d) 10 min
  18. 18.A film starts at 5:10 and ends at 7:55. How long is the film? (a) 3 h 45 min (b) 1 h 45 min (c) 2 h 45 min (d) 2 h 55 min
  19. 19.What time was it 55 minutes before 4:25? (a) 3:40 (b) 4:30 (c) 2:30 (d) 3:30
  20. 20.What time was it 20 minutes before 6:35? (a) 6:25 (b) 5:15 (c) 7:15 (d) 6:15
  21. 21.What time was it 30 minutes before 9:20? (a) 9:50 (b) 7:50 (c) 9:00 (d) 8:50
  22. 22.What time was it 40 minutes before 2:55? (a) 1:15 (b) 3:15 (c) 2:15 (d) 2:25
  23. 23.What time will it be 30 minutes after 5:35? (a) 5:05 (b) 6:05 (c) 7:05 (d) 5:55
  24. 24.What time was it 45 minutes before 9:10? (a) 8:35 (b) 7:25 (c) 8:25 (d) 9:25
  25. 25.What time will it be 25 minutes after 9:25? (a) 10:50 (b) 8:50 (c) 9:40 (d) 9:50
  26. 26.What time was it 15 minutes before 5:55? (a) 6:40 (b) 4:40 (c) 5:50 (d) 5:40
  27. 27.A film starts at 6:40 and ends at 8:35. How long is the film? (a) 2 h 55 min (b) 2 h 5 min (c) 1 h 55 min (d) 55 min
  28. 28.A film starts at 5:55 and ends at 8:35. How long is the film? (a) 2 h 40 min (b) 1 h 40 min (c) 2 h 50 min (d) 3 h 40 min
  29. 29.What time was it 55 minutes before 10:50? (a) 9:55 (b) 8:55 (c) 10:55 (d) 10:05
  30. 30.A film starts at 2:45 and ends at 4:45. How long is the film? (a) 3 h (b) 1 h (c) 2 h 10 min (d) 2 h
  31. 31.What time will it be 45 minutes after 2:30? (a) 4:15 (b) 2:15 (c) 3:15 (d) 3:05
  32. 32.A film starts at 3:15 and ends at 5:40. How long is the film? (a) 3 h 25 min (b) 2 h 35 min (c) 2 h 25 min (d) 1 h 25 min
  33. 33.What time will it be 40 minutes after 7:35? (a) 9:15 (b) 8:15 (c) 7:15 (d) 8:05
  34. 34.What time will it be 35 minutes after 5:05? (a) 5:30 (b) 6:40 (c) 4:40 (d) 5:40
  35. 35.A film starts at 4:50 and ends at 7:25. How long is the film? (a) 1 h 35 min (b) 2 h 35 min (c) 3 h 35 min (d) 2 h 45 min
  36. 36.What time was it 45 minutes before 10:55? (a) 11:10 (b) 10:10 (c) 9:10 (d) 10:20
  37. 37.What time was it 15 minutes before 2:00? (a) 1:35 (b) 2:45 (c) 1:55 (d) 1:45
  38. 38.A film starts at 5:50 and ends at 6:30. How long is the film? (a) 50 min (b) 30 min (c) 40 min (d) 1 h 40 min
  39. 39.What time will it be 35 minutes after 4:15? (a) 3:50 (b) 4:50 (c) 5:50 (d) 4:40
  40. 40.What time was it 50 minutes before 7:50? (a) 6:00 (b) 8:00 (c) 7:10 (d) 7:00

Answer key

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

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