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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 529 · 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 6:50? (a) 6:05 (b) 7:05 (c) 8:05 (d) 6:55
  2. 2.What time was it 40 minutes before 3:55? (a) 2:15 (b) 4:15 (c) 3:15 (d) 3:25
  3. 3.What time will it be 45 minutes after 5:30? (a) 5:15 (b) 7:15 (c) 6:05 (d) 6:15
  4. 4.What time will it be 20 minutes after 7:25? (a) 6:45 (b) 8:45 (c) 7:35 (d) 7:45
  5. 5.What time will it be 30 minutes after 7:05? (a) 6:35 (b) 7:25 (c) 8:35 (d) 7:35
  6. 6.What time will it be 40 minutes after 6:05? (a) 6:35 (b) 6:45 (c) 5:45 (d) 7:45
  7. 7.What time will it be 50 minutes after 5:45? (a) 5:35 (b) 6:25 (c) 6:35 (d) 7:35
  8. 8.What time was it 45 minutes before 6:10? (a) 4:25 (b) 5:35 (c) 5:25 (d) 6:25
  9. 9.What time will it be 55 minutes after 7:45? (a) 8:40 (b) 7:40 (c) 8:30 (d) 9:40
  10. 10.What time was it 30 minutes before 5:05? (a) 4:45 (b) 3:35 (c) 4:35 (d) 5:35
  11. 11.What time was it 55 minutes before 4:35? (a) 4:40 (b) 3:40 (c) 3:50 (d) 2:40
  12. 12.What time was it 50 minutes before 8:30? (a) 6:40 (b) 7:50 (c) 7:40 (d) 8:40
  13. 13.What time will it be 45 minutes after 10:00? (a) 10:45 (b) 11:45 (c) 10:35 (d) 9:45
  14. 14.What time will it be 35 minutes after 10:15? (a) 11:50 (b) 10:40 (c) 9:50 (d) 10:50
  15. 15.What time will it be 35 minutes after 2:05? (a) 1:40 (b) 3:40 (c) 2:40 (d) 2:30
  16. 16.What time will it be 30 minutes after 7:50? (a) 8:20 (b) 8:10 (c) 9:20 (d) 7:20
  17. 17.What time was it 15 minutes before 7:55? (a) 6:40 (b) 8:40 (c) 7:50 (d) 7:40
  18. 18.What time will it be 15 minutes after 2:25? (a) 1:40 (b) 3:40 (c) 2:30 (d) 2:40
  19. 19.What time was it 15 minutes before 2:10? (a) 1:45 (b) 2:55 (c) 1:55 (d) 2:05
  20. 20.A film starts at 8:40 and ends at 10:30. How long is the film? (a) 1 h 50 min (b) 2 h 50 min (c) 50 min (d) 2 h
  21. 21.What time was it 15 minutes before 6:50? (a) 6:45 (b) 5:35 (c) 7:35 (d) 6:35
  22. 22.A film starts at 8:30 and ends at 11:10. How long is the film? (a) 2 h 50 min (b) 2 h 40 min (c) 3 h 40 min (d) 1 h 40 min
  23. 23.What time was it 35 minutes before 4:50? (a) 5:15 (b) 4:15 (c) 3:15 (d) 4:25
  24. 24.A film starts at 3:00 and ends at 5:55. How long is the film? (a) 3 h 55 min (b) 2 h 55 min (c) 1 h 55 min (d) 3 h 5 min
  25. 25.What time was it 40 minutes before 5:25? (a) 4:55 (b) 3:45 (c) 4:45 (d) 5:45
  26. 26.What time was it 55 minutes before 2:55? (a) 1:00 (b) 2:00 (c) 2:10 (d) 3:00
  27. 27.What time was it 25 minutes before 2:20? (a) 2:55 (b) 2:05 (c) 1:55 (d) 1:45
  28. 28.A film starts at 2:40 and ends at 5:35. How long is the film? (a) 1 h 55 min (b) 3 h 55 min (c) 3 h 5 min (d) 2 h 55 min
  29. 29.What time was it 25 minutes before 3:30? (a) 2:05 (b) 3:05 (c) 4:05 (d) 3:15
  30. 30.What time was it 30 minutes before 7:10? (a) 6:50 (b) 5:40 (c) 6:40 (d) 7:40
  31. 31.What time will it be 40 minutes after 3:55? (a) 4:35 (b) 5:35 (c) 3:35 (d) 4:25
  32. 32.What time was it 20 minutes before 7:35? (a) 7:15 (b) 8:15 (c) 6:15 (d) 7:25
  33. 33.What time will it be 30 minutes after 9:45? (a) 10:05 (b) 10:15 (c) 9:15 (d) 11:15
  34. 34.What time will it be 55 minutes after 10:05? (a) 10:50 (b) 10:00 (c) 11:00 (d) 12:00
  35. 35.What time will it be 25 minutes after 5:45? (a) 7:10 (b) 6:00 (c) 5:10 (d) 6:10
  36. 36.What time was it 15 minutes before 7:20? (a) 7:15 (b) 7:05 (c) 8:05 (d) 6:05
  37. 37.A film starts at 8:10 and ends at 9:10. How long is the film? (a) 2 h (b) 1 h 10 min (c) 50 min (d) 1 h
  38. 38.A film starts at 4:15 and ends at 6:40. How long is the film? (a) 2 h 35 min (b) 2 h 25 min (c) 3 h 25 min (d) 1 h 25 min
  39. 39.What time was it 30 minutes before 9:30? (a) 9:00 (b) 9:10 (c) 8:00 (d) 10:00
  40. 40.What time was it 35 minutes before 6:15? (a) 6:40 (b) 5:50 (c) 5:40 (d) 4:40

Answer key

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

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