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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 109 · 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 40 minutes before 3:45? (a) 3:05 (b) 3:15 (c) 4:05 (d) 2:05
  2. 2.What time was it 55 minutes before 9:30? (a) 8:45 (b) 7:35 (c) 9:35 (d) 8:35
  3. 3.A film starts at 2:55 and ends at 5:10. How long is the film? (a) 3 h 15 min (b) 2 h 25 min (c) 2 h 15 min (d) 1 h 15 min
  4. 4.What time was it 30 minutes before 11:00? (a) 11:30 (b) 10:30 (c) 9:30 (d) 10:40
  5. 5.What time was it 30 minutes before 7:45? (a) 7:25 (b) 7:15 (c) 8:15 (d) 6:15
  6. 6.What time was it 40 minutes before 5:05? (a) 3:25 (b) 4:35 (c) 4:25 (d) 5:25
  7. 7.What time will it be 40 minutes after 2:05? (a) 1:45 (b) 2:45 (c) 2:35 (d) 3:45
  8. 8.What time will it be 30 minutes after 10:30? (a) 11:00 (b) 10:50 (c) 12:00 (d) 10:00
  9. 9.What time will it be 50 minutes after 5:50? (a) 6:40 (b) 7:40 (c) 6:30 (d) 5:40
  10. 10.What time was it 40 minutes before 7:45? (a) 8:05 (b) 7:05 (c) 7:15 (d) 6:05
  11. 11.What time will it be 25 minutes after 10:55? (a) 11:20 (b) 12:20 (c) 11:10 (d) 10:20
  12. 12.What time was it 15 minutes before 3:30? (a) 2:15 (b) 4:15 (c) 3:25 (d) 3:15
  13. 13.A film starts at 4:25 and ends at 6:30. How long is the film? (a) 2 h 5 min (b) 2 h 15 min (c) 3 h 5 min (d) 1 h 5 min
  14. 14.A film starts at 4:20 and ends at 7:00. How long is the film? (a) 3 h 40 min (b) 1 h 40 min (c) 2 h 40 min (d) 2 h 50 min
  15. 15.What time was it 45 minutes before 5:30? (a) 4:45 (b) 5:45 (c) 4:55 (d) 3:45
  16. 16.What time was it 55 minutes before 8:25? (a) 6:30 (b) 7:30 (c) 8:30 (d) 7:40
  17. 17.What time was it 30 minutes before 4:10? (a) 3:40 (b) 3:50 (c) 2:40 (d) 4:40
  18. 18.A film starts at 8:00 and ends at 8:35. How long is the film? (a) 25 min (b) 45 min (c) 35 min (d) 1 h 35 min
  19. 19.What time will it be 30 minutes after 5:00? (a) 6:30 (b) 4:30 (c) 5:20 (d) 5:30
  20. 20.What time will it be 20 minutes after 8:25? (a) 9:45 (b) 8:45 (c) 7:45 (d) 8:35
  21. 21.A film starts at 1:05 and ends at 2:35. How long is the film? (a) 1 h 40 min (b) 1 h 30 min (c) 30 min (d) 2 h 30 min
  22. 22.A film starts at 3:20 and ends at 4:45. How long is the film? (a) 25 min (b) 2 h 25 min (c) 1 h 35 min (d) 1 h 25 min
  23. 23.What time will it be 55 minutes after 7:00? (a) 6:55 (b) 8:55 (c) 7:45 (d) 7:55
  24. 24.What time was it 55 minutes before 5:30? (a) 3:35 (b) 4:35 (c) 5:35 (d) 4:45
  25. 25.A film starts at 2:50 and ends at 4:40. How long is the film? (a) 2 h 50 min (b) 1 h 50 min (c) 2 h (d) 50 min
  26. 26.A film starts at 3:50 and ends at 5:35. How long is the film? (a) 1 h 55 min (b) 45 min (c) 1 h 45 min (d) 2 h 45 min
  27. 27.A film starts at 5:50 and ends at 8:35. How long is the film? (a) 3 h 45 min (b) 2 h 55 min (c) 1 h 45 min (d) 2 h 45 min
  28. 28.A film starts at 5:25 and ends at 6:25. How long is the film? (a) 1 h (b) 50 min (c) 2 h (d) 1 h 10 min
  29. 29.A film starts at 8:35 and ends at 10:05. How long is the film? (a) 30 min (b) 1 h 30 min (c) 2 h 30 min (d) 1 h 40 min
  30. 30.What time was it 40 minutes before 6:00? (a) 4:20 (b) 5:30 (c) 6:20 (d) 5:20
  31. 31.What time will it be 25 minutes after 6:55? (a) 8:20 (b) 7:20 (c) 7:10 (d) 6:20
  32. 32.A film starts at 6:30 and ends at 7:25. How long is the film? (a) 1 h 5 min (b) 55 min (c) 45 min (d) 1 h 55 min
  33. 33.A film starts at 2:55 and ends at 5:50. How long is the film? (a) 2 h 55 min (b) 3 h 5 min (c) 1 h 55 min (d) 3 h 55 min
  34. 34.A film starts at 8:00 and ends at 8:55. How long is the film? (a) 45 min (b) 1 h 5 min (c) 1 h 55 min (d) 55 min
  35. 35.What time was it 25 minutes before 2:10? (a) 1:45 (b) 1:55 (c) 2:45 (d) 1:35
  36. 36.A film starts at 7:15 and ends at 9:45. How long is the film? (a) 2 h 30 min (b) 2 h 40 min (c) 3 h 30 min (d) 1 h 30 min
  37. 37.A film starts at 1:35 and ends at 4:25. How long is the film? (a) 1 h 50 min (b) 3 h (c) 3 h 50 min (d) 2 h 50 min
  38. 38.What time will it be 30 minutes after 7:50? (a) 9:20 (b) 8:20 (c) 7:20 (d) 8:10
  39. 39.What time will it be 30 minutes after 5:30? (a) 6:00 (b) 5:50 (c) 7:00 (d) 5:00
  40. 40.A film starts at 5:05 and ends at 7:05. How long is the film? (a) 1 h (b) 2 h 10 min (c) 2 h (d) 3 h

Answer key

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

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