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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 271 · 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 25 minutes before 10:00? (a) 10:35 (b) 9:45 (c) 9:35 (d) 8:35
  2. 2.A film starts at 3:20 and ends at 5:50. How long is the film? (a) 2 h 40 min (b) 1 h 30 min (c) 2 h 30 min (d) 3 h 30 min
  3. 3.What time will it be 20 minutes after 4:10? (a) 3:30 (b) 5:30 (c) 4:30 (d) 4:20
  4. 4.What time was it 30 minutes before 11:50? (a) 11:30 (b) 11:20 (c) 10:20 (d) 12:20
  5. 5.What time was it 35 minutes before 2:20? (a) 1:55 (b) 1:45 (c) 1:35 (d) 2:45
  6. 6.A film starts at 6:20 and ends at 8:15. How long is the film? (a) 2 h 55 min (b) 2 h 5 min (c) 1 h 55 min (d) 55 min
  7. 7.What time will it be 25 minutes after 8:10? (a) 9:35 (b) 7:35 (c) 8:35 (d) 8:25
  8. 8.A film starts at 3:55 and ends at 6:15. How long is the film? (a) 2 h 30 min (b) 3 h 20 min (c) 1 h 20 min (d) 2 h 20 min
  9. 9.What time will it be 45 minutes after 1:45? (a) 2:20 (b) 3:30 (c) 1:30 (d) 2:30
  10. 10.What time was it 40 minutes before 5:30? (a) 5:00 (b) 5:50 (c) 3:50 (d) 4:50
  11. 11.What time will it be 15 minutes after 7:50? (a) 9:05 (b) 7:55 (c) 8:05 (d) 7:05
  12. 12.A film starts at 8:40 and ends at 11:00. How long is the film? (a) 2 h 30 min (b) 1 h 20 min (c) 3 h 20 min (d) 2 h 20 min
  13. 13.What time was it 55 minutes before 7:00? (a) 5:05 (b) 6:15 (c) 7:05 (d) 6:05
  14. 14.What time was it 25 minutes before 2:25? (a) 1:00 (b) 2:10 (c) 2:00 (d) 3:00
  15. 15.What time will it be 30 minutes after 4:05? (a) 3:35 (b) 5:35 (c) 4:25 (d) 4:35
  16. 16.What time was it 25 minutes before 4:35? (a) 3:10 (b) 4:20 (c) 5:10 (d) 4:10
  17. 17.What time will it be 20 minutes after 2:20? (a) 2:30 (b) 1:40 (c) 3:40 (d) 2:40
  18. 18.What time was it 40 minutes before 10:40? (a) 11:00 (b) 9:00 (c) 10:10 (d) 10:00
  19. 19.A film starts at 8:00 and ends at 10:05. How long is the film? (a) 2 h 15 min (b) 1 h 5 min (c) 2 h 5 min (d) 3 h 5 min
  20. 20.A film starts at 2:35 and ends at 3:10. How long is the film? (a) 45 min (b) 25 min (c) 1 h 35 min (d) 35 min
  21. 21.What time was it 25 minutes before 6:50? (a) 6:35 (b) 5:25 (c) 6:25 (d) 7:25
  22. 22.What time will it be 15 minutes after 6:05? (a) 7:20 (b) 5:20 (c) 6:20 (d) 6:10
  23. 23.What time will it be 45 minutes after 5:10? (a) 4:55 (b) 6:55 (c) 5:55 (d) 5:45
  24. 24.What time will it be 45 minutes after 8:20? (a) 8:55 (b) 10:05 (c) 9:05 (d) 8:05
  25. 25.What time will it be 40 minutes after 8:05? (a) 8:35 (b) 9:45 (c) 8:45 (d) 7:45
  26. 26.A film starts at 4:10 and ends at 5:10. How long is the film? (a) 2 h (b) 1 h (c) 50 min (d) 1 h 10 min
  27. 27.A film starts at 4:05 and ends at 7:05. How long is the film? (a) 4 h (b) 3 h (c) 3 h 10 min (d) 2 h
  28. 28.What time will it be 50 minutes after 4:05? (a) 5:55 (b) 4:45 (c) 3:55 (d) 4:55
  29. 29.What time will it be 30 minutes after 1:25? (a) 2:55 (b) 1:55 (c) 1:45 (d) 2:05
  30. 30.What time will it be 15 minutes after 9:15? (a) 10:30 (b) 9:30 (c) 9:20 (d) 8:30
  31. 31.What time will it be 20 minutes after 5:20? (a) 5:30 (b) 6:40 (c) 5:40 (d) 4:40
  32. 32.What time will it be 45 minutes after 8:00? (a) 7:45 (b) 8:35 (c) 9:45 (d) 8:45
  33. 33.What time was it 20 minutes before 6:00? (a) 5:50 (b) 6:40 (c) 5:40 (d) 4:40
  34. 34.A film starts at 5:35 and ends at 6:15. How long is the film? (a) 40 min (b) 1 h 40 min (c) 50 min (d) 30 min
  35. 35.What time will it be 50 minutes after 5:35? (a) 7:25 (b) 6:15 (c) 5:25 (d) 6:25
  36. 36.What time will it be 35 minutes after 2:05? (a) 2:40 (b) 3:40 (c) 1:40 (d) 2:30
  37. 37.A film starts at 8:40 and ends at 10:55. How long is the film? (a) 3 h 15 min (b) 2 h 15 min (c) 2 h 25 min (d) 1 h 15 min
  38. 38.What time will it be 20 minutes after 6:45? (a) 6:55 (b) 8:05 (c) 6:05 (d) 7:05
  39. 39.A film starts at 4:45 and ends at 5:10. How long is the film? (a) 15 min (b) 1 h 25 min (c) 25 min (d) 35 min
  40. 40.What time was it 55 minutes before 9:15? (a) 8:30 (b) 9:20 (c) 7:20 (d) 8:20

Answer key

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

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