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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 325 · 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 7:40 and ends at 10:10. How long is the film? (a) 1 h 30 min (b) 2 h 40 min (c) 3 h 30 min (d) 2 h 30 min
  2. 2.What time was it 35 minutes before 2:15? (a) 1:30 (b) 1:50 (c) 2:40 (d) 1:40
  3. 3.What time will it be 35 minutes after 9:00? (a) 8:35 (b) 10:35 (c) 9:35 (d) 9:25
  4. 4.A film starts at 2:00 and ends at 4:05. How long is the film? (a) 2 h 15 min (b) 2 h 5 min (c) 1 h 5 min (d) 3 h 5 min
  5. 5.A film starts at 4:25 and ends at 5:40. How long is the film? (a) 2 h 15 min (b) 1 h 25 min (c) 1 h 15 min (d) 15 min
  6. 6.What time was it 40 minutes before 10:30? (a) 9:50 (b) 10:00 (c) 8:50 (d) 10:50
  7. 7.A film starts at 5:05 and ends at 7:10. How long is the film? (a) 3 h 5 min (b) 1 h 5 min (c) 2 h 5 min (d) 2 h 15 min
  8. 8.What time will it be 45 minutes after 6:35? (a) 6:20 (b) 7:10 (c) 7:20 (d) 8:20
  9. 9.A film starts at 4:05 and ends at 4:30. How long is the film? (a) 15 min (b) 1 h 25 min (c) 25 min (d) 35 min
  10. 10.A film starts at 7:10 and ends at 7:50. How long is the film? (a) 30 min (b) 50 min (c) 1 h 40 min (d) 40 min
  11. 11.What time was it 45 minutes before 2:10? (a) 1:35 (b) 1:25 (c) 2:25 (d) 1:15
  12. 12.A film starts at 3:55 and ends at 4:35. How long is the film? (a) 40 min (b) 50 min (c) 30 min (d) 1 h 40 min
  13. 13.What time will it be 15 minutes after 9:45? (a) 11:00 (b) 9:00 (c) 9:50 (d) 10:00
  14. 14.What time will it be 40 minutes after 9:40? (a) 9:20 (b) 10:10 (c) 10:20 (d) 11:20
  15. 15.What time will it be 20 minutes after 3:30? (a) 2:50 (b) 4:50 (c) 3:40 (d) 3:50
  16. 16.A film starts at 5:45 and ends at 6:50. How long is the film? (a) 5 min (b) 1 h 5 min (c) 2 h 5 min (d) 1 h 15 min
  17. 17.A film starts at 2:15 and ends at 4:55. How long is the film? (a) 3 h 40 min (b) 2 h 40 min (c) 1 h 40 min (d) 2 h 50 min
  18. 18.What time was it 55 minutes before 7:05? (a) 7:10 (b) 5:10 (c) 6:20 (d) 6:10
  19. 19.What time will it be 15 minutes after 7:25? (a) 7:30 (b) 6:40 (c) 7:40 (d) 8:40
  20. 20.A film starts at 5:30 and ends at 8:15. How long is the film? (a) 3 h 45 min (b) 2 h 55 min (c) 1 h 45 min (d) 2 h 45 min
  21. 21.What time was it 35 minutes before 2:40? (a) 3:05 (b) 2:05 (c) 1:05 (d) 2:15
  22. 22.A film starts at 1:20 and ends at 1:45. How long is the film? (a) 15 min (b) 35 min (c) 1 h 25 min (d) 25 min
  23. 23.What time was it 55 minutes before 3:00? (a) 1:05 (b) 2:15 (c) 2:05 (d) 3:05
  24. 24.A film starts at 1:50 and ends at 3:45. How long is the film? (a) 55 min (b) 2 h 55 min (c) 2 h 5 min (d) 1 h 55 min
  25. 25.What time was it 20 minutes before 4:10? (a) 2:50 (b) 3:50 (c) 4:00 (d) 4:50
  26. 26.What time will it be 30 minutes after 2:20? (a) 1:50 (b) 3:50 (c) 2:40 (d) 2:50
  27. 27.What time will it be 40 minutes after 10:45? (a) 10:25 (b) 12:25 (c) 11:25 (d) 11:15
  28. 28.What time will it be 55 minutes after 1:10? (a) 1:05 (b) 1:55 (c) 2:05 (d) 3:05
  29. 29.What time was it 45 minutes before 2:35? (a) 2:50 (b) 1:50 (c) 2:00 (d) 1:40
  30. 30.What time was it 40 minutes before 9:30? (a) 9:50 (b) 9:00 (c) 7:50 (d) 8:50
  31. 31.What time will it be 30 minutes after 4:50? (a) 4:20 (b) 5:10 (c) 6:20 (d) 5:20
  32. 32.A film starts at 4:10 and ends at 6:45. How long is the film? (a) 3 h 35 min (b) 1 h 35 min (c) 2 h 35 min (d) 2 h 45 min
  33. 33.A film starts at 6:00 and ends at 6:35. How long is the film? (a) 1 h 35 min (b) 45 min (c) 25 min (d) 35 min
  34. 34.What time was it 20 minutes before 3:05? (a) 2:55 (b) 2:45 (c) 3:45 (d) 1:45
  35. 35.A film starts at 5:05 and ends at 6:05. How long is the film? (a) 1 h 10 min (b) 50 min (c) 1 h (d) 2 h
  36. 36.What time was it 30 minutes before 11:55? (a) 11:35 (b) 10:25 (c) 12:25 (d) 11:25
  37. 37.A film starts at 1:25 and ends at 3:50. How long is the film? (a) 1 h 25 min (b) 3 h 25 min (c) 2 h 25 min (d) 2 h 35 min
  38. 38.What time will it be 35 minutes after 7:15? (a) 7:40 (b) 7:50 (c) 6:50 (d) 8:50
  39. 39.What time will it be 25 minutes after 10:25? (a) 11:50 (b) 10:40 (c) 9:50 (d) 10:50
  40. 40.What time was it 55 minutes before 9:55? (a) 9:00 (b) 8:00 (c) 9:10 (d) 10:00

Answer key

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

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