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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 265 · 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 20 minutes before 6:30? (a) 6:20 (b) 5:10 (c) 7:10 (d) 6:10
  2. 2.What time will it be 45 minutes after 10:15? (a) 12:00 (b) 11:00 (c) 10:00 (d) 10:50
  3. 3.A film starts at 5:00 and ends at 7:10. How long is the film? (a) 2 h 20 min (b) 1 h 10 min (c) 2 h 10 min (d) 3 h 10 min
  4. 4.What time will it be 20 minutes after 9:25? (a) 9:35 (b) 10:45 (c) 8:45 (d) 9:45
  5. 5.What time was it 55 minutes before 2:25? (a) 2:30 (b) 1:30 (c) 1:40 (d) 1:20
  6. 6.A film starts at 7:30 and ends at 8:55. How long is the film? (a) 25 min (b) 1 h 25 min (c) 1 h 35 min (d) 2 h 25 min
  7. 7.A film starts at 2:55 and ends at 5:45. How long is the film? (a) 1 h 50 min (b) 3 h 50 min (c) 3 h (d) 2 h 50 min
  8. 8.What time was it 55 minutes before 3:35? (a) 2:50 (b) 2:40 (c) 1:40 (d) 3:40
  9. 9.A film starts at 5:50 and ends at 8:50. How long is the film? (a) 2 h (b) 4 h (c) 3 h 10 min (d) 3 h
  10. 10.A film starts at 1:35 and ends at 2:45. How long is the film? (a) 1 h 10 min (b) 10 min (c) 1 h 20 min (d) 2 h 10 min
  11. 11.What time was it 40 minutes before 11:25? (a) 9:45 (b) 10:45 (c) 10:55 (d) 11:45
  12. 12.What time was it 50 minutes before 8:55? (a) 8:15 (b) 9:05 (c) 8:05 (d) 7:05
  13. 13.What time was it 20 minutes before 8:45? (a) 9:25 (b) 7:25 (c) 8:35 (d) 8:25
  14. 14.A film starts at 3:45 and ends at 6:00. How long is the film? (a) 2 h 25 min (b) 1 h 15 min (c) 3 h 15 min (d) 2 h 15 min
  15. 15.What time will it be 15 minutes after 7:10? (a) 8:25 (b) 7:15 (c) 7:25 (d) 6:25
  16. 16.What time was it 15 minutes before 8:35? (a) 8:20 (b) 7:20 (c) 9:20 (d) 8:30
  17. 17.What time was it 30 minutes before 2:15? (a) 1:45 (b) 1:55 (c) 2:45 (d) 1:35
  18. 18.What time will it be 55 minutes after 8:05? (a) 8:00 (b) 10:00 (c) 9:00 (d) 8:50
  19. 19.A film starts at 4:15 and ends at 5:35. How long is the film? (a) 20 min (b) 1 h 30 min (c) 1 h 20 min (d) 2 h 20 min
  20. 20.What time will it be 50 minutes after 8:20? (a) 9:10 (b) 10:10 (c) 9:00 (d) 8:10
  21. 21.What time will it be 45 minutes after 5:15? (a) 6:00 (b) 7:00 (c) 5:00 (d) 5:50
  22. 22.A film starts at 6:10 and ends at 7:45. How long is the film? (a) 35 min (b) 1 h 35 min (c) 1 h 45 min (d) 2 h 35 min
  23. 23.A film starts at 3:45 and ends at 5:30. How long is the film? (a) 2 h 45 min (b) 1 h 55 min (c) 45 min (d) 1 h 45 min
  24. 24.What time will it be 15 minutes after 9:00? (a) 8:15 (b) 9:15 (c) 10:15 (d) 9:05
  25. 25.A film starts at 7:20 and ends at 7:50. How long is the film? (a) 40 min (b) 30 min (c) 20 min (d) 1 h 30 min
  26. 26.A film starts at 3:15 and ends at 5:45. How long is the film? (a) 1 h 30 min (b) 3 h 30 min (c) 2 h 30 min (d) 2 h 40 min
  27. 27.What time will it be 15 minutes after 3:15? (a) 3:30 (b) 3:20 (c) 4:30 (d) 2:30
  28. 28.What time will it be 45 minutes after 3:35? (a) 3:20 (b) 4:20 (c) 5:20 (d) 4:10
  29. 29.A film starts at 8:00 and ends at 10:05. How long is the film? (a) 2 h 15 min (b) 2 h 5 min (c) 3 h 5 min (d) 1 h 5 min
  30. 30.What time will it be 40 minutes after 10:50? (a) 10:30 (b) 11:20 (c) 12:30 (d) 11:30
  31. 31.What time will it be 25 minutes after 9:55? (a) 10:10 (b) 11:20 (c) 10:20 (d) 9:20
  32. 32.What time was it 50 minutes before 4:00? (a) 2:10 (b) 3:10 (c) 4:10 (d) 3:20
  33. 33.What time will it be 30 minutes after 1:15? (a) 1:45 (b) 2:45 (c) 1:55 (d) 1:35
  34. 34.What time will it be 35 minutes after 10:30? (a) 10:55 (b) 10:05 (c) 12:05 (d) 11:05
  35. 35.What time will it be 30 minutes after 2:40? (a) 3:00 (b) 3:10 (c) 2:10 (d) 4:10
  36. 36.What time will it be 15 minutes after 1:00? (a) 1:05 (b) 1:25 (c) 2:15 (d) 1:15
  37. 37.What time will it be 25 minutes after 2:00? (a) 1:25 (b) 2:15 (c) 3:25 (d) 2:25
  38. 38.What time was it 45 minutes before 7:15? (a) 5:30 (b) 6:30 (c) 6:40 (d) 7:30
  39. 39.A film starts at 7:25 and ends at 8:40. How long is the film? (a) 2 h 15 min (b) 1 h 25 min (c) 1 h 15 min (d) 15 min
  40. 40.What time will it be 55 minutes after 3:45? (a) 5:40 (b) 4:30 (c) 3:40 (d) 4:40

Answer key

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

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