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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 845 · 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 8:35 and ends at 10:35. How long is the film? (a) 2 h (b) 3 h (c) 1 h (d) 2 h 10 min
  2. 2.A film starts at 4:40 and ends at 7:40. How long is the film? (a) 4 h (b) 2 h (c) 3 h (d) 3 h 10 min
  3. 3.What time was it 35 minutes before 2:40? (a) 2:15 (b) 3:05 (c) 2:05 (d) 1:05
  4. 4.A film starts at 2:35 and ends at 3:35. How long is the film? (a) 2 h (b) 50 min (c) 1 h 10 min (d) 1 h
  5. 5.What time will it be 25 minutes after 6:50? (a) 7:15 (b) 8:15 (c) 7:05 (d) 6:15
  6. 6.What time was it 45 minutes before 3:15? (a) 2:30 (b) 3:30 (c) 1:30 (d) 2:40
  7. 7.A film starts at 2:15 and ends at 3:35. How long is the film? (a) 1 h 30 min (b) 20 min (c) 1 h 20 min (d) 2 h 20 min
  8. 8.What time was it 35 minutes before 2:05? (a) 1:30 (b) 2:30 (c) 1:20 (d) 1:40
  9. 9.What time will it be 55 minutes after 5:00? (a) 6:55 (b) 5:45 (c) 4:55 (d) 5:55
  10. 10.What time will it be 50 minutes after 3:40? (a) 5:30 (b) 3:30 (c) 4:30 (d) 4:20
  11. 11.A film starts at 2:45 and ends at 4:55. How long is the film? (a) 1 h 10 min (b) 2 h 20 min (c) 3 h 10 min (d) 2 h 10 min
  12. 12.A film starts at 6:00 and ends at 6:25. How long is the film? (a) 35 min (b) 15 min (c) 1 h 25 min (d) 25 min
  13. 13.What time was it 20 minutes before 2:30? (a) 1:10 (b) 2:10 (c) 2:20 (d) 3:10
  14. 14.What time was it 20 minutes before 5:25? (a) 4:05 (b) 5:15 (c) 6:05 (d) 5:05
  15. 15.What time will it be 40 minutes after 10:50? (a) 12:30 (b) 11:20 (c) 11:30 (d) 10:30
  16. 16.A film starts at 8:40 and ends at 9:00. How long is the film? (a) 30 min (b) 20 min (c) 10 min (d) 1 h 20 min
  17. 17.What time will it be 50 minutes after 7:25? (a) 7:15 (b) 8:15 (c) 8:05 (d) 9:15
  18. 18.A film starts at 6:40 and ends at 8:35. How long is the film? (a) 2 h 5 min (b) 1 h 55 min (c) 55 min (d) 2 h 55 min
  19. 19.What time will it be 20 minutes after 2:10? (a) 2:20 (b) 1:30 (c) 2:30 (d) 3:30
  20. 20.A film starts at 8:50 and ends at 10:30. How long is the film? (a) 2 h 40 min (b) 40 min (c) 1 h 50 min (d) 1 h 40 min
  21. 21.A film starts at 2:35 and ends at 3:20. How long is the film? (a) 45 min (b) 55 min (c) 35 min (d) 1 h 45 min
  22. 22.What time was it 20 minutes before 3:00? (a) 3:40 (b) 2:50 (c) 2:40 (d) 1:40
  23. 23.What time was it 20 minutes before 10:00? (a) 9:50 (b) 8:40 (c) 9:40 (d) 10:40
  24. 24.What time will it be 20 minutes after 4:15? (a) 5:35 (b) 4:25 (c) 3:35 (d) 4:35
  25. 25.What time was it 55 minutes before 11:25? (a) 10:30 (b) 9:30 (c) 10:40 (d) 11:30
  26. 26.What time was it 40 minutes before 8:50? (a) 9:10 (b) 7:10 (c) 8:10 (d) 8:20
  27. 27.What time will it be 25 minutes after 2:45? (a) 3:00 (b) 2:10 (c) 3:10 (d) 4:10
  28. 28.What time will it be 55 minutes after 2:45? (a) 3:30 (b) 3:40 (c) 2:40 (d) 4:40
  29. 29.What time was it 50 minutes before 5:10? (a) 5:20 (b) 4:20 (c) 4:30 (d) 3:20
  30. 30.What time will it be 20 minutes after 1:20? (a) 1:30 (b) 2:40 (c) 1:40 (d) 1:50
  31. 31.What time will it be 45 minutes after 4:05? (a) 3:50 (b) 5:50 (c) 4:50 (d) 4:40
  32. 32.What time will it be 35 minutes after 10:50? (a) 12:25 (b) 11:25 (c) 10:25 (d) 11:15
  33. 33.A film starts at 1:05 and ends at 3:10. How long is the film? (a) 3 h 5 min (b) 2 h 15 min (c) 2 h 5 min (d) 1 h 5 min
  34. 34.What time was it 30 minutes before 5:05? (a) 4:45 (b) 3:35 (c) 5:35 (d) 4:35
  35. 35.What time will it be 25 minutes after 10:45? (a) 11:00 (b) 12:10 (c) 10:10 (d) 11:10
  36. 36.What time was it 35 minutes before 3:45? (a) 4:10 (b) 3:20 (c) 3:10 (d) 2:10
  37. 37.A film starts at 4:35 and ends at 5:20. How long is the film? (a) 1 h 45 min (b) 35 min (c) 55 min (d) 45 min
  38. 38.What time will it be 30 minutes after 9:20? (a) 10:50 (b) 9:50 (c) 8:50 (d) 9:40
  39. 39.A film starts at 5:35 and ends at 6:20. How long is the film? (a) 55 min (b) 35 min (c) 45 min (d) 1 h 45 min
  40. 40.What time will it be 55 minutes after 5:30? (a) 5:25 (b) 7:25 (c) 6:25 (d) 6:15

Answer key

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

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