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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 750 · 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 35 minutes before 6:10? (a) 4:35 (b) 6:35 (c) 5:45 (d) 5:35
  2. 2.What time will it be 55 minutes after 10:10? (a) 10:55 (b) 10:05 (c) 11:05 (d) 12:05
  3. 3.What time was it 25 minutes before 11:40? (a) 10:15 (b) 11:25 (c) 11:15 (d) 12:15
  4. 4.What time will it be 50 minutes after 7:00? (a) 6:50 (b) 8:50 (c) 7:50 (d) 7:40
  5. 5.A film starts at 8:45 and ends at 11:15. How long is the film? (a) 3 h 30 min (b) 2 h 30 min (c) 2 h 40 min (d) 1 h 30 min
  6. 6.What time was it 50 minutes before 4:20? (a) 3:30 (b) 4:30 (c) 3:40 (d) 2:30
  7. 7.What time will it be 55 minutes after 4:00? (a) 4:45 (b) 3:55 (c) 5:55 (d) 4:55
  8. 8.What time was it 30 minutes before 7:20? (a) 5:50 (b) 6:50 (c) 7:00 (d) 7:50
  9. 9.What time was it 20 minutes before 6:10? (a) 4:50 (b) 6:00 (c) 6:50 (d) 5:50
  10. 10.A film starts at 4:20 and ends at 6:40. How long is the film? (a) 1 h 20 min (b) 3 h 20 min (c) 2 h 30 min (d) 2 h 20 min
  11. 11.A film starts at 4:35 and ends at 5:25. How long is the film? (a) 50 min (b) 1 h 50 min (c) 40 min (d) 1 h
  12. 12.A film starts at 7:25 and ends at 10:15. How long is the film? (a) 3 h 50 min (b) 2 h 50 min (c) 3 h (d) 1 h 50 min
  13. 13.What time was it 30 minutes before 2:50? (a) 2:30 (b) 3:20 (c) 2:20 (d) 1:20
  14. 14.What time was it 55 minutes before 4:45? (a) 2:50 (b) 4:50 (c) 3:50 (d) 4:00
  15. 15.What time was it 25 minutes before 7:40? (a) 7:25 (b) 7:15 (c) 6:15 (d) 8:15
  16. 16.What time was it 40 minutes before 9:05? (a) 7:25 (b) 8:35 (c) 8:25 (d) 9:25
  17. 17.A film starts at 5:00 and ends at 7:35. How long is the film? (a) 2 h 45 min (b) 1 h 35 min (c) 2 h 35 min (d) 3 h 35 min
  18. 18.A film starts at 1:00 and ends at 2:10. How long is the film? (a) 2 h 10 min (b) 1 h 10 min (c) 1 h 20 min (d) 10 min
  19. 19.A film starts at 6:20 and ends at 6:45. How long is the film? (a) 35 min (b) 1 h 25 min (c) 25 min (d) 15 min
  20. 20.A film starts at 1:40 and ends at 2:50. How long is the film? (a) 10 min (b) 1 h 20 min (c) 1 h 10 min (d) 2 h 10 min
  21. 21.What time was it 35 minutes before 8:10? (a) 8:35 (b) 6:35 (c) 7:45 (d) 7:35
  22. 22.A film starts at 7:10 and ends at 8:25. How long is the film? (a) 2 h 15 min (b) 1 h 15 min (c) 1 h 25 min (d) 15 min
  23. 23.A film starts at 2:40 and ends at 5:30. How long is the film? (a) 1 h 50 min (b) 2 h 50 min (c) 3 h 50 min (d) 3 h
  24. 24.A film starts at 8:00 and ends at 8:20. How long is the film? (a) 20 min (b) 30 min (c) 10 min (d) 1 h 20 min
  25. 25.A film starts at 5:25 and ends at 5:50. How long is the film? (a) 1 h 25 min (b) 15 min (c) 25 min (d) 35 min
  26. 26.What time will it be 55 minutes after 8:00? (a) 8:55 (b) 8:45 (c) 9:55 (d) 7:55
  27. 27.What time will it be 15 minutes after 3:15? (a) 2:30 (b) 3:20 (c) 3:30 (d) 4:30
  28. 28.A film starts at 7:20 and ends at 8:30. How long is the film? (a) 1 h 20 min (b) 2 h 10 min (c) 1 h 10 min (d) 10 min
  29. 29.What time will it be 45 minutes after 4:45? (a) 5:20 (b) 4:30 (c) 6:30 (d) 5:30
  30. 30.A film starts at 7:40 and ends at 10:05. How long is the film? (a) 3 h 25 min (b) 2 h 35 min (c) 1 h 25 min (d) 2 h 25 min
  31. 31.A film starts at 3:05 and ends at 3:50. How long is the film? (a) 1 h 45 min (b) 55 min (c) 35 min (d) 45 min
  32. 32.A film starts at 3:45 and ends at 4:50. How long is the film? (a) 5 min (b) 1 h 5 min (c) 2 h 5 min (d) 1 h 15 min
  33. 33.What time was it 45 minutes before 11:25? (a) 11:40 (b) 10:40 (c) 10:50 (d) 9:40
  34. 34.A film starts at 2:20 and ends at 4:55. How long is the film? (a) 3 h 35 min (b) 2 h 45 min (c) 2 h 35 min (d) 1 h 35 min
  35. 35.What time will it be 25 minutes after 2:15? (a) 1:40 (b) 3:40 (c) 2:40 (d) 2:30
  36. 36.What time will it be 25 minutes after 9:35? (a) 9:50 (b) 9:00 (c) 11:00 (d) 10:00
  37. 37.What time was it 40 minutes before 10:05? (a) 10:25 (b) 9:35 (c) 8:25 (d) 9:25
  38. 38.A film starts at 5:45 and ends at 6:40. How long is the film? (a) 1 h 5 min (b) 55 min (c) 45 min (d) 1 h 55 min
  39. 39.What time was it 30 minutes before 4:25? (a) 4:05 (b) 3:55 (c) 2:55 (d) 4:55
  40. 40.What time was it 55 minutes before 3:05? (a) 3:10 (b) 1:10 (c) 2:10 (d) 2:20

Answer key

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

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