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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 461 · 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 45 minutes after 6:40? (a) 6:25 (b) 8:25 (c) 7:25 (d) 7:15
  2. 2.What time was it 20 minutes before 10:30? (a) 10:20 (b) 9:10 (c) 10:10 (d) 11:10
  3. 3.A film starts at 1:30 and ends at 3:20. How long is the film? (a) 50 min (b) 1 h 50 min (c) 2 h (d) 2 h 50 min
  4. 4.What time was it 15 minutes before 2:30? (a) 3:15 (b) 1:15 (c) 2:15 (d) 2:25
  5. 5.What time was it 20 minutes before 5:00? (a) 4:50 (b) 5:40 (c) 3:40 (d) 4:40
  6. 6.A film starts at 8:45 and ends at 11:00. How long is the film? (a) 1 h 15 min (b) 2 h 15 min (c) 3 h 15 min (d) 2 h 25 min
  7. 7.A film starts at 6:25 and ends at 7:55. How long is the film? (a) 1 h 40 min (b) 1 h 30 min (c) 30 min (d) 2 h 30 min
  8. 8.What time was it 15 minutes before 2:05? (a) 2:50 (b) 1:50 (c) 2:00 (d) 1:40
  9. 9.What time will it be 20 minutes after 2:45? (a) 2:05 (b) 2:55 (c) 4:05 (d) 3:05
  10. 10.What time will it be 50 minutes after 6:40? (a) 6:30 (b) 7:30 (c) 7:20 (d) 8:30
  11. 11.A film starts at 7:50 and ends at 10:15. 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
  12. 12.A film starts at 1:05 and ends at 3:05. How long is the film? (a) 1 h (b) 2 h 10 min (c) 2 h (d) 3 h
  13. 13.What time was it 50 minutes before 3:45? (a) 3:05 (b) 2:55 (c) 1:55 (d) 3:55
  14. 14.What time was it 15 minutes before 8:15? (a) 9:00 (b) 7:00 (c) 8:00 (d) 8:10
  15. 15.What time was it 45 minutes before 3:25? (a) 3:40 (b) 1:40 (c) 2:50 (d) 2:40
  16. 16.What time will it be 50 minutes after 5:40? (a) 7:30 (b) 5:30 (c) 6:20 (d) 6:30
  17. 17.A film starts at 6:50 and ends at 8:35. How long is the film? (a) 2 h 45 min (b) 45 min (c) 1 h 45 min (d) 1 h 55 min
  18. 18.What time was it 40 minutes before 3:10? (a) 3:30 (b) 2:30 (c) 1:30 (d) 2:40
  19. 19.What time will it be 25 minutes after 2:35? (a) 4:00 (b) 2:00 (c) 3:00 (d) 2:50
  20. 20.What time was it 50 minutes before 7:55? (a) 6:05 (b) 7:05 (c) 8:05 (d) 7:15
  21. 21.A film starts at 6:05 and ends at 7:45. How long is the film? (a) 40 min (b) 1 h 40 min (c) 1 h 50 min (d) 2 h 40 min
  22. 22.A film starts at 5:45 and ends at 7:30. How long is the film? (a) 1 h 45 min (b) 45 min (c) 1 h 55 min (d) 2 h 45 min
  23. 23.What time will it be 15 minutes after 7:25? (a) 6:40 (b) 7:40 (c) 7:30 (d) 8:40
  24. 24.What time will it be 45 minutes after 2:05? (a) 1:50 (b) 3:50 (c) 2:50 (d) 2:40
  25. 25.What time will it be 15 minutes after 7:10? (a) 8:25 (b) 7:25 (c) 6:25 (d) 7:15
  26. 26.What time was it 40 minutes before 3:20? (a) 2:40 (b) 2:50 (c) 1:40 (d) 3:40
  27. 27.What time was it 45 minutes before 10:30? (a) 9:45 (b) 8:45 (c) 9:55 (d) 10:45
  28. 28.What time will it be 50 minutes after 10:20? (a) 11:10 (b) 11:00 (c) 12:10 (d) 10:10
  29. 29.What time will it be 15 minutes after 4:55? (a) 4:10 (b) 5:10 (c) 6:10 (d) 5:00
  30. 30.What time will it be 35 minutes after 1:25? (a) 2:00 (b) 3:00 (c) 1:50 (d) 1:00
  31. 31.What time was it 25 minutes before 3:10? (a) 2:55 (b) 1:45 (c) 3:45 (d) 2:45
  32. 32.What time will it be 45 minutes after 10:20? (a) 10:55 (b) 11:05 (c) 12:05 (d) 10:05
  33. 33.A film starts at 1:40 and ends at 2:30. How long is the film? (a) 50 min (b) 1 h 50 min (c) 40 min (d) 1 h
  34. 34.What time will it be 40 minutes after 1:05? (a) 1:35 (b) 2:45 (c) 1:55 (d) 1:45
  35. 35.What time was it 35 minutes before 6:10? (a) 5:45 (b) 6:35 (c) 4:35 (d) 5:35
  36. 36.What time will it be 45 minutes after 7:50? (a) 7:35 (b) 9:35 (c) 8:35 (d) 8:25
  37. 37.What time will it be 40 minutes after 2:05? (a) 2:35 (b) 2:45 (c) 1:45 (d) 3:45
  38. 38.What time was it 20 minutes before 3:50? (a) 2:30 (b) 3:40 (c) 4:30 (d) 3:30
  39. 39.A film starts at 5:30 and ends at 8:15. How long is the film? (a) 2 h 45 min (b) 2 h 55 min (c) 3 h 45 min (d) 1 h 45 min
  40. 40.A film starts at 2:20 and ends at 4:30. 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

Answer key

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

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