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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 791 · 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 was it 40 minutes before 10:45? (a) 10:05 (b) 9:05 (c) 10:15 (d) 11:05
  2. 2.What time will it be 15 minutes after 1:00? (a) 2:15 (b) 1:25 (c) 1:05 (d) 1:15
  3. 3.A film starts at 2:20 and ends at 3:55. How long is the film? (a) 35 min (b) 2 h 35 min (c) 1 h 45 min (d) 1 h 35 min
  4. 4.A film starts at 6:10 and ends at 7:35. How long is the film? (a) 2 h 25 min (b) 1 h 25 min (c) 1 h 35 min (d) 25 min
  5. 5.A film starts at 2:00 and ends at 3:55. How long is the film? (a) 1 h 55 min (b) 55 min (c) 2 h 5 min (d) 2 h 55 min
  6. 6.What time was it 40 minutes before 6:45? (a) 5:05 (b) 6:15 (c) 6:05 (d) 7:05
  7. 7.What time was it 35 minutes before 11:05? (a) 9:30 (b) 10:40 (c) 11:30 (d) 10:30
  8. 8.A film starts at 8:30 and ends at 9:20. How long is the film? (a) 1 h 50 min (b) 1 h (c) 50 min (d) 40 min
  9. 9.A film starts at 7:05 and ends at 7:35. How long is the film? (a) 40 min (b) 30 min (c) 1 h 30 min (d) 20 min
  10. 10.A film starts at 7:40 and ends at 9:40. How long is the film? (a) 3 h (b) 2 h 10 min (c) 1 h (d) 2 h
  11. 11.What time was it 30 minutes before 6:30? (a) 6:00 (b) 7:00 (c) 6:10 (d) 5:00
  12. 12.What time will it be 55 minutes after 3:30? (a) 5:25 (b) 4:15 (c) 3:25 (d) 4:25
  13. 13.What time will it be 25 minutes after 1:45? (a) 3:10 (b) 1:10 (c) 2:00 (d) 2:10
  14. 14.What time was it 20 minutes before 8:00? (a) 8:40 (b) 7:40 (c) 6:40 (d) 7:50
  15. 15.What time will it be 15 minutes after 3:35? (a) 4:50 (b) 3:50 (c) 3:40 (d) 2:50
  16. 16.A film starts at 3:10 and ends at 4:55. How long is the film? (a) 45 min (b) 1 h 45 min (c) 1 h 55 min (d) 2 h 45 min
  17. 17.A film starts at 6:05 and ends at 6:50. How long is the film? (a) 45 min (b) 55 min (c) 1 h 45 min (d) 35 min
  18. 18.What time was it 25 minutes before 9:25? (a) 8:00 (b) 10:00 (c) 9:10 (d) 9:00
  19. 19.A film starts at 2:25 and ends at 3:40. How long is the film? (a) 15 min (b) 2 h 15 min (c) 1 h 15 min (d) 1 h 25 min
  20. 20.A film starts at 1:40 and ends at 4:20. How long is the film? (a) 2 h 40 min (b) 2 h 50 min (c) 3 h 40 min (d) 1 h 40 min
  21. 21.What time was it 20 minutes before 2:10? (a) 2:00 (b) 2:50 (c) 1:50 (d) 1:40
  22. 22.What time will it be 50 minutes after 10:55? (a) 12:45 (b) 11:35 (c) 10:45 (d) 11:45
  23. 23.What time will it be 25 minutes after 1:15? (a) 2:40 (b) 1:40 (c) 1:30 (d) 1:50
  24. 24.What time was it 50 minutes before 11:05? (a) 10:25 (b) 10:15 (c) 11:15 (d) 9:15
  25. 25.What time will it be 40 minutes after 3:15? (a) 3:55 (b) 4:55 (c) 2:55 (d) 3:45
  26. 26.A film starts at 3:00 and ends at 4:05. How long is the film? (a) 5 min (b) 1 h 15 min (c) 1 h 5 min (d) 2 h 5 min
  27. 27.What time was it 45 minutes before 5:25? (a) 5:40 (b) 4:40 (c) 4:50 (d) 3:40
  28. 28.What time was it 40 minutes before 3:20? (a) 2:50 (b) 2:40 (c) 1:40 (d) 3:40
  29. 29.What time will it be 20 minutes after 8:30? (a) 9:50 (b) 8:40 (c) 8:50 (d) 7:50
  30. 30.What time will it be 40 minutes after 10:05? (a) 11:45 (b) 9:45 (c) 10:45 (d) 10:35
  31. 31.What time will it be 35 minutes after 2:05? (a) 2:30 (b) 1:40 (c) 3:40 (d) 2:40
  32. 32.A film starts at 6:20 and ends at 6:40. How long is the film? (a) 10 min (b) 1 h 20 min (c) 20 min (d) 30 min
  33. 33.What time will it be 50 minutes after 3:15? (a) 3:05 (b) 4:05 (c) 3:55 (d) 5:05
  34. 34.What time was it 15 minutes before 5:25? (a) 6:10 (b) 4:10 (c) 5:20 (d) 5:10
  35. 35.What time will it be 30 minutes after 2:20? (a) 2:40 (b) 1:50 (c) 2:50 (d) 3:50
  36. 36.What time was it 35 minutes before 6:45? (a) 7:10 (b) 6:20 (c) 5:10 (d) 6:10
  37. 37.A film starts at 1:00 and ends at 1:40. How long is the film? (a) 1 h 40 min (b) 30 min (c) 40 min (d) 50 min
  38. 38.What time will it be 55 minutes after 2:10? (a) 2:55 (b) 4:05 (c) 3:05 (d) 2:05
  39. 39.What time will it be 15 minutes after 1:05? (a) 1:30 (b) 2:20 (c) 1:10 (d) 1:20
  40. 40.A film starts at 8:10 and ends at 8:40. How long is the film? (a) 1 h 30 min (b) 20 min (c) 30 min (d) 40 min

Answer key

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

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