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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 196 · 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 25 minutes after 9:05? (a) 9:30 (b) 10:30 (c) 8:30 (d) 9:20
  2. 2.What time was it 50 minutes before 10:10? (a) 8:20 (b) 10:20 (c) 9:20 (d) 9:30
  3. 3.What time will it be 25 minutes after 2:05? (a) 3:30 (b) 2:20 (c) 2:30 (d) 1:30
  4. 4.What time will it be 25 minutes after 1:20? (a) 1:35 (b) 1:55 (c) 1:45 (d) 2:45
  5. 5.What time will it be 25 minutes after 8:20? (a) 8:35 (b) 7:45 (c) 8:45 (d) 9:45
  6. 6.A film starts at 8:55 and ends at 10:10. How long is the film? (a) 1 h 25 min (b) 15 min (c) 2 h 15 min (d) 1 h 15 min
  7. 7.What time was it 15 minutes before 11:00? (a) 10:55 (b) 9:45 (c) 11:45 (d) 10:45
  8. 8.A film starts at 6:05 and ends at 6:25. How long is the film? (a) 10 min (b) 1 h 20 min (c) 20 min (d) 30 min
  9. 9.What time will it be 30 minutes after 7:05? (a) 8:35 (b) 6:35 (c) 7:35 (d) 7:25
  10. 10.What time will it be 15 minutes after 8:00? (a) 9:15 (b) 8:05 (c) 7:15 (d) 8:15
  11. 11.What time was it 40 minutes before 10:05? (a) 9:35 (b) 9:25 (c) 10:25 (d) 8:25
  12. 12.What time was it 25 minutes before 3:45? (a) 3:30 (b) 2:20 (c) 4:20 (d) 3:20
  13. 13.What time will it be 35 minutes after 6:00? (a) 7:35 (b) 6:25 (c) 5:35 (d) 6:35
  14. 14.A film starts at 4:00 and ends at 5:15. How long is the film? (a) 2 h 15 min (b) 1 h 25 min (c) 1 h 15 min (d) 15 min
  15. 15.What time was it 25 minutes before 6:45? (a) 6:20 (b) 6:30 (c) 7:20 (d) 5:20
  16. 16.A film starts at 2:35 and ends at 4:10. How long is the film? (a) 1 h 35 min (b) 2 h 35 min (c) 1 h 45 min (d) 35 min
  17. 17.A film starts at 1:55 and ends at 3:00. How long is the film? (a) 5 min (b) 2 h 5 min (c) 1 h 5 min (d) 1 h 15 min
  18. 18.A film starts at 1:20 and ends at 2:25. How long is the film? (a) 2 h 5 min (b) 1 h 15 min (c) 5 min (d) 1 h 5 min
  19. 19.What time was it 55 minutes before 9:55? (a) 9:10 (b) 10:00 (c) 8:00 (d) 9:00
  20. 20.What time will it be 20 minutes after 3:45? (a) 3:55 (b) 5:05 (c) 3:05 (d) 4:05
  21. 21.A film starts at 8:00 and ends at 9:40. How long is the film? (a) 2 h 40 min (b) 40 min (c) 1 h 40 min (d) 1 h 50 min
  22. 22.What time was it 25 minutes before 9:05? (a) 8:40 (b) 8:50 (c) 9:40 (d) 7:40
  23. 23.A film starts at 7:30 and ends at 10:05. How long is the film? (a) 2 h 45 min (b) 1 h 35 min (c) 3 h 35 min (d) 2 h 35 min
  24. 24.What time will it be 35 minutes after 9:00? (a) 8:35 (b) 9:35 (c) 9:25 (d) 10:35
  25. 25.What time will it be 35 minutes after 3:50? (a) 3:25 (b) 5:25 (c) 4:15 (d) 4:25
  26. 26.What time will it be 45 minutes after 5:40? (a) 6:15 (b) 7:25 (c) 6:25 (d) 5:25
  27. 27.What time was it 55 minutes before 6:05? (a) 5:20 (b) 6:10 (c) 5:10 (d) 4:10
  28. 28.What time will it be 30 minutes after 10:45? (a) 11:15 (b) 12:15 (c) 11:05 (d) 10:15
  29. 29.A film starts at 3:20 and ends at 4:20. How long is the film? (a) 1 h 10 min (b) 1 h (c) 2 h (d) 50 min
  30. 30.What time was it 20 minutes before 3:00? (a) 1:40 (b) 2:50 (c) 2:40 (d) 3:40
  31. 31.What time will it be 30 minutes after 5:50? (a) 6:10 (b) 7:20 (c) 6:20 (d) 5:20
  32. 32.What time will it be 30 minutes after 7:15? (a) 7:35 (b) 7:45 (c) 8:45 (d) 6:45
  33. 33.What time was it 15 minutes before 4:50? (a) 5:35 (b) 3:35 (c) 4:35 (d) 4:45
  34. 34.What time will it be 20 minutes after 5:25? (a) 6:45 (b) 5:35 (c) 4:45 (d) 5:45
  35. 35.What time will it be 35 minutes after 5:05? (a) 4:40 (b) 5:30 (c) 5:40 (d) 6:40
  36. 36.What time was it 15 minutes before 6:15? (a) 5:00 (b) 7:00 (c) 6:10 (d) 6:00
  37. 37.A film starts at 5:45 and ends at 6:30. How long is the film? (a) 1 h 45 min (b) 35 min (c) 45 min (d) 55 min
  38. 38.What time will it be 55 minutes after 9:50? (a) 10:45 (b) 9:45 (c) 10:35 (d) 11:45
  39. 39.What time was it 15 minutes before 9:00? (a) 7:45 (b) 8:55 (c) 9:45 (d) 8:45
  40. 40.A film starts at 7:00 and ends at 7:50. How long is the film? (a) 40 min (b) 50 min (c) 1 h 50 min (d) 1 h

Answer key

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

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