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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 72 · 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.A film starts at 1:40 and ends at 4:10. How long is the film? (a) 2 h 30 min (b) 1 h 30 min (c) 2 h 40 min (d) 3 h 30 min
  2. 2.What time was it 35 minutes before 5:00? (a) 5:25 (b) 4:35 (c) 4:25 (d) 3:25
  3. 3.What time was it 35 minutes before 10:45? (a) 10:20 (b) 9:10 (c) 11:10 (d) 10:10
  4. 4.What time was it 35 minutes before 6:15? (a) 4:40 (b) 6:40 (c) 5:40 (d) 5:50
  5. 5.What time will it be 55 minutes after 4:30? (a) 5:25 (b) 6:25 (c) 5:15 (d) 4:25
  6. 6.What time was it 15 minutes before 4:55? (a) 5:40 (b) 4:40 (c) 3:40 (d) 4:50
  7. 7.What time was it 20 minutes before 10:25? (a) 11:05 (b) 10:15 (c) 10:05 (d) 9:05
  8. 8.What time was it 20 minutes before 2:55? (a) 3:35 (b) 2:45 (c) 2:35 (d) 1:35
  9. 9.What time was it 25 minutes before 11:35? (a) 10:10 (b) 11:20 (c) 11:10 (d) 12:10
  10. 10.What time was it 50 minutes before 10:50? (a) 9:00 (b) 11:00 (c) 10:10 (d) 10:00
  11. 11.A film starts at 1:40 and ends at 2:35. How long is the film? (a) 1 h 55 min (b) 1 h 5 min (c) 45 min (d) 55 min
  12. 12.A film starts at 3:05 and ends at 5:20. How long is the film? (a) 2 h 25 min (b) 2 h 15 min (c) 1 h 15 min (d) 3 h 15 min
  13. 13.What time will it be 25 minutes after 8:20? (a) 8:45 (b) 7:45 (c) 8:35 (d) 9:45
  14. 14.A film starts at 6:55 and ends at 7:55. How long is the film? (a) 50 min (b) 2 h (c) 1 h 10 min (d) 1 h
  15. 15.What time will it be 35 minutes after 4:45? (a) 5:20 (b) 6:20 (c) 4:20 (d) 5:10
  16. 16.A film starts at 7:05 and ends at 9:25. How long is the film? (a) 3 h 20 min (b) 2 h 30 min (c) 1 h 20 min (d) 2 h 20 min
  17. 17.A film starts at 7:05 and ends at 10:00. How long is the film? (a) 3 h 5 min (b) 2 h 55 min (c) 1 h 55 min (d) 3 h 55 min
  18. 18.A film starts at 8:05 and ends at 10:15. How long is the film? (a) 3 h 10 min (b) 2 h 10 min (c) 2 h 20 min (d) 1 h 10 min
  19. 19.What time was it 50 minutes before 7:45? (a) 7:05 (b) 5:55 (c) 7:55 (d) 6:55
  20. 20.What time will it be 15 minutes after 7:15? (a) 8:30 (b) 7:20 (c) 7:30 (d) 6:30
  21. 21.A film starts at 5:40 and ends at 7:15. How long is the film? (a) 35 min (b) 2 h 35 min (c) 1 h 45 min (d) 1 h 35 min
  22. 22.What time will it be 25 minutes after 8:45? (a) 9:00 (b) 8:10 (c) 10:10 (d) 9:10
  23. 23.A film starts at 6:30 and ends at 7:20. How long is the film? (a) 50 min (b) 40 min (c) 1 h (d) 1 h 50 min
  24. 24.A film starts at 5:10 and ends at 8:05. 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
  25. 25.What time will it be 30 minutes after 5:40? (a) 7:10 (b) 6:10 (c) 6:00 (d) 5:10
  26. 26.What time will it be 40 minutes after 9:20? (a) 9:00 (b) 10:00 (c) 11:00 (d) 9:50
  27. 27.What time was it 15 minutes before 2:55? (a) 1:40 (b) 3:40 (c) 2:40 (d) 2:50
  28. 28.What time will it be 30 minutes after 3:20? (a) 2:50 (b) 4:50 (c) 3:40 (d) 3:50
  29. 29.What time was it 40 minutes before 10:15? (a) 9:35 (b) 9:45 (c) 8:35 (d) 10:35
  30. 30.What time will it be 45 minutes after 10:30? (a) 11:05 (b) 10:15 (c) 12:15 (d) 11:15
  31. 31.What time was it 45 minutes before 6:15? (a) 5:40 (b) 6:30 (c) 5:30 (d) 4:30
  32. 32.What time will it be 20 minutes after 1:50? (a) 3:10 (b) 1:10 (c) 2:10 (d) 2:00
  33. 33.What time will it be 40 minutes after 5:20? (a) 5:50 (b) 6:00 (c) 7:00 (d) 5:00
  34. 34.What time was it 45 minutes before 11:40? (a) 9:55 (b) 11:55 (c) 11:05 (d) 10:55
  35. 35.A film starts at 8:05 and ends at 9:45. How long is the film? (a) 40 min (b) 1 h 50 min (c) 2 h 40 min (d) 1 h 40 min
  36. 36.A film starts at 5:15 and ends at 5:45. How long is the film? (a) 30 min (b) 20 min (c) 1 h 30 min (d) 40 min
  37. 37.What time will it be 15 minutes after 1:15? (a) 1:40 (b) 2:30 (c) 1:30 (d) 1:20
  38. 38.A film starts at 4:40 and ends at 5:05. How long is the film? (a) 35 min (b) 25 min (c) 1 h 25 min (d) 15 min
  39. 39.What time was it 15 minutes before 10:40? (a) 9:25 (b) 10:25 (c) 10:35 (d) 11:25
  40. 40.What time was it 30 minutes before 6:20? (a) 4:50 (b) 6:50 (c) 6:00 (d) 5:50

Answer key

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

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