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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 172 · 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 35 minutes after 10:10? (a) 10:35 (b) 11:45 (c) 10:45 (d) 9:45
  2. 2.A film starts at 8:45 and ends at 11:20. How long is the film? (a) 1 h 35 min (b) 2 h 35 min (c) 3 h 35 min (d) 2 h 45 min
  3. 3.What time will it be 35 minutes after 2:00? (a) 2:35 (b) 1:35 (c) 3:35 (d) 2:25
  4. 4.What time will it be 25 minutes after 6:20? (a) 5:45 (b) 6:35 (c) 6:45 (d) 7:45
  5. 5.What time will it be 50 minutes after 4:20? (a) 5:00 (b) 6:10 (c) 4:10 (d) 5:10
  6. 6.What time was it 20 minutes before 11:10? (a) 11:00 (b) 11:50 (c) 9:50 (d) 10:50
  7. 7.What time was it 55 minutes before 5:30? (a) 3:35 (b) 4:45 (c) 5:35 (d) 4:35
  8. 8.What time was it 35 minutes before 11:40? (a) 11:05 (b) 11:15 (c) 10:05 (d) 12:05
  9. 9.A film starts at 3:55 and ends at 4:30. How long is the film? (a) 25 min (b) 35 min (c) 1 h 35 min (d) 45 min
  10. 10.A film starts at 1:00 and ends at 1:25. How long is the film? (a) 35 min (b) 25 min (c) 1 h 25 min (d) 15 min
  11. 11.What time was it 25 minutes before 9:05? (a) 8:50 (b) 9:40 (c) 8:40 (d) 7:40
  12. 12.What time will it be 25 minutes after 9:55? (a) 10:10 (b) 9:20 (c) 11:20 (d) 10:20
  13. 13.A film starts at 5:55 and ends at 6:40. How long is the film? (a) 45 min (b) 35 min (c) 55 min (d) 1 h 45 min
  14. 14.What time was it 40 minutes before 7:25? (a) 6:55 (b) 6:45 (c) 7:45 (d) 5:45
  15. 15.What time was it 45 minutes before 3:40? (a) 1:55 (b) 2:55 (c) 3:55 (d) 3:05
  16. 16.A film starts at 6:00 and ends at 6:20. How long is the film? (a) 10 min (b) 30 min (c) 1 h 20 min (d) 20 min
  17. 17.A film starts at 3:25 and ends at 6:05. How long is the film? (a) 2 h 50 min (b) 2 h 40 min (c) 1 h 40 min (d) 3 h 40 min
  18. 18.A film starts at 5:35 and ends at 6:45. How long is the film? (a) 10 min (b) 2 h 10 min (c) 1 h 10 min (d) 1 h 20 min
  19. 19.What time was it 20 minutes before 11:30? (a) 11:10 (b) 12:10 (c) 11:20 (d) 10:10
  20. 20.What time will it be 15 minutes after 4:45? (a) 4:00 (b) 4:50 (c) 5:00 (d) 6:00
  21. 21.A film starts at 4:30 and ends at 6:05. How long is the film? (a) 1 h 35 min (b) 1 h 45 min (c) 35 min (d) 2 h 35 min
  22. 22.A film starts at 4:35 and ends at 7:05. How long is the film? (a) 3 h 30 min (b) 2 h 40 min (c) 1 h 30 min (d) 2 h 30 min
  23. 23.A film starts at 7:40 and ends at 9:05. How long is the film? (a) 2 h 25 min (b) 1 h 35 min (c) 1 h 25 min (d) 25 min
  24. 24.A film starts at 4:20 and ends at 6:20. How long is the film? (a) 2 h 10 min (b) 1 h (c) 3 h (d) 2 h
  25. 25.What time was it 35 minutes before 6:05? (a) 5:30 (b) 4:30 (c) 5:40 (d) 6:30
  26. 26.What time was it 35 minutes before 9:45? (a) 8:10 (b) 9:10 (c) 10:10 (d) 9:20
  27. 27.A film starts at 3:20 and ends at 4:10. How long is the film? (a) 40 min (b) 1 h (c) 50 min (d) 1 h 50 min
  28. 28.A film starts at 1:20 and ends at 2:00. How long is the film? (a) 50 min (b) 30 min (c) 1 h 40 min (d) 40 min
  29. 29.What time was it 35 minutes before 8:35? (a) 7:00 (b) 8:00 (c) 9:00 (d) 8:10
  30. 30.A film starts at 6:10 and ends at 8:35. How long is the film? (a) 3 h 25 min (b) 2 h 25 min (c) 2 h 35 min (d) 1 h 25 min
  31. 31.A film starts at 5:30 and ends at 5:55. How long is the film? (a) 1 h 25 min (b) 35 min (c) 15 min (d) 25 min
  32. 32.A film starts at 2:55 and ends at 3:35. How long is the film? (a) 50 min (b) 30 min (c) 1 h 40 min (d) 40 min
  33. 33.A film starts at 8:00 and ends at 10:20. How long is the film? (a) 3 h 20 min (b) 1 h 20 min (c) 2 h 30 min (d) 2 h 20 min
  34. 34.What time was it 20 minutes before 6:05? (a) 5:55 (b) 4:45 (c) 5:45 (d) 6:45
  35. 35.A film starts at 3:00 and ends at 5:30. 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
  36. 36.What time was it 55 minutes before 5:05? (a) 4:10 (b) 4:20 (c) 5:10 (d) 3:10
  37. 37.What time was it 15 minutes before 9:50? (a) 10:35 (b) 9:45 (c) 9:35 (d) 8:35
  38. 38.What time was it 35 minutes before 8:45? (a) 8:20 (b) 8:10 (c) 9:10 (d) 7:10
  39. 39.What time was it 40 minutes before 2:15? (a) 1:25 (b) 1:45 (c) 2:35 (d) 1:35
  40. 40.A film starts at 5:55 and ends at 7:00. How long is the film? (a) 5 min (b) 1 h 5 min (c) 2 h 5 min (d) 1 h 15 min

Answer key

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

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