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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 209 · 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 8:05 and ends at 9:05. How long is the film? (a) 1 h (b) 2 h (c) 50 min (d) 1 h 10 min
  2. 2.What time will it be 45 minutes after 1:00? (a) 1:55 (b) 1:35 (c) 1:45 (d) 2:45
  3. 3.What time was it 30 minutes before 5:30? (a) 5:10 (b) 6:00 (c) 4:00 (d) 5:00
  4. 4.A film starts at 6:20 and ends at 8:20. How long is the film? (a) 3 h (b) 1 h (c) 2 h 10 min (d) 2 h
  5. 5.What time was it 55 minutes before 8:35? (a) 7:40 (b) 7:50 (c) 6:40 (d) 8:40
  6. 6.What time will it be 40 minutes after 10:40? (a) 11:20 (b) 10:20 (c) 11:10 (d) 12:20
  7. 7.A film starts at 6:05 and ends at 6:30. How long is the film? (a) 1 h 25 min (b) 35 min (c) 25 min (d) 15 min
  8. 8.What time will it be 25 minutes after 6:25? (a) 5:50 (b) 6:50 (c) 7:50 (d) 6:40
  9. 9.What time was it 40 minutes before 4:05? (a) 3:35 (b) 3:25 (c) 4:25 (d) 2:25
  10. 10.A film starts at 2:25 and ends at 2:50. How long is the film? (a) 25 min (b) 15 min (c) 35 min (d) 1 h 25 min
  11. 11.What time was it 20 minutes before 3:45? (a) 2:25 (b) 3:35 (c) 3:25 (d) 4:25
  12. 12.What time was it 25 minutes before 9:55? (a) 8:30 (b) 9:40 (c) 9:30 (d) 10:30
  13. 13.What time was it 35 minutes before 11:05? (a) 9:30 (b) 10:40 (c) 10:30 (d) 11:30
  14. 14.What time will it be 45 minutes after 10:35? (a) 11:20 (b) 11:10 (c) 12:20 (d) 10:20
  15. 15.What time will it be 40 minutes after 2:25? (a) 3:05 (b) 4:05 (c) 2:55 (d) 2:05
  16. 16.What time was it 35 minutes before 6:35? (a) 7:00 (b) 6:00 (c) 5:00 (d) 6:10
  17. 17.What time was it 50 minutes before 10:10? (a) 8:20 (b) 9:30 (c) 9:20 (d) 10:20
  18. 18.What time will it be 30 minutes after 5:15? (a) 5:35 (b) 4:45 (c) 6:45 (d) 5:45
  19. 19.What time will it be 15 minutes after 10:40? (a) 9:55 (b) 10:55 (c) 11:55 (d) 10:45
  20. 20.What time will it be 25 minutes after 9:35? (a) 9:50 (b) 11:00 (c) 10:00 (d) 9:00
  21. 21.A film starts at 1:45 and ends at 2:55. How long is the film? (a) 10 min (b) 2 h 10 min (c) 1 h 10 min (d) 1 h 20 min
  22. 22.A film starts at 8:40 and ends at 9:10. How long is the film? (a) 1 h 30 min (b) 30 min (c) 40 min (d) 20 min
  23. 23.What time was it 20 minutes before 8:05? (a) 7:45 (b) 7:55 (c) 8:45 (d) 6:45
  24. 24.What time will it be 20 minutes after 8:05? (a) 9:25 (b) 8:25 (c) 8:15 (d) 7:25
  25. 25.What time will it be 30 minutes after 2:15? (a) 2:35 (b) 1:45 (c) 3:45 (d) 2:45
  26. 26.What time was it 25 minutes before 7:25? (a) 6:00 (b) 8:00 (c) 7:00 (d) 7:10
  27. 27.A film starts at 4:15 and ends at 6:25. How long is the film? (a) 3 h 10 min (b) 1 h 10 min (c) 2 h 20 min (d) 2 h 10 min
  28. 28.What time will it be 55 minutes after 6:40? (a) 6:35 (b) 7:25 (c) 8:35 (d) 7:35
  29. 29.What time will it be 20 minutes after 9:25? (a) 9:35 (b) 9:45 (c) 10:45 (d) 8:45
  30. 30.What time will it be 20 minutes after 6:15? (a) 7:35 (b) 5:35 (c) 6:35 (d) 6:25
  31. 31.What time will it be 30 minutes after 4:45? (a) 5:05 (b) 5:15 (c) 4:15 (d) 6:15
  32. 32.What time was it 40 minutes before 3:25? (a) 2:45 (b) 3:45 (c) 2:55 (d) 1:45
  33. 33.A film starts at 8:35 and ends at 9:35. How long is the film? (a) 1 h 10 min (b) 2 h (c) 50 min (d) 1 h
  34. 34.A film starts at 8:20 and ends at 10:45. How long is the film? (a) 2 h 25 min (b) 3 h 25 min (c) 2 h 35 min (d) 1 h 25 min
  35. 35.A film starts at 3:30 and ends at 4:05. How long is the film? (a) 25 min (b) 45 min (c) 1 h 35 min (d) 35 min
  36. 36.What time was it 45 minutes before 2:20? (a) 1:45 (b) 2:35 (c) 1:25 (d) 1:35
  37. 37.A film starts at 8:25 and ends at 10:15. How long is the film? (a) 1 h 50 min (b) 2 h 50 min (c) 2 h (d) 50 min
  38. 38.What time was it 50 minutes before 11:30? (a) 9:40 (b) 10:50 (c) 10:40 (d) 11:40
  39. 39.A film starts at 2:15 and ends at 5:05. How long is the film? (a) 1 h 50 min (b) 3 h 50 min (c) 3 h (d) 2 h 50 min
  40. 40.What time was it 20 minutes before 7:10? (a) 7:00 (b) 7:50 (c) 6:50 (d) 5:50

Answer key

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

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