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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 143 · 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 35 minutes before 9:35? (a) 9:10 (b) 10:00 (c) 8:00 (d) 9:00
  2. 2.What time will it be 20 minutes after 8:50? (a) 8:10 (b) 9:00 (c) 10:10 (d) 9:10
  3. 3.What time was it 40 minutes before 2:30? (a) 1:50 (b) 1:40 (c) 2:50 (d) 2:00
  4. 4.What time was it 35 minutes before 11:45? (a) 11:20 (b) 12:10 (c) 10:10 (d) 11:10
  5. 5.A film starts at 1:30 and ends at 2:15. How long is the film? (a) 1 h 45 min (b) 45 min (c) 35 min (d) 55 min
  6. 6.What time will it be 15 minutes after 10:05? (a) 11:20 (b) 9:20 (c) 10:20 (d) 10:10
  7. 7.What time will it be 15 minutes after 2:00? (a) 3:15 (b) 1:15 (c) 2:15 (d) 2:05
  8. 8.A film starts at 1:35 and ends at 2:45. How long is the film? (a) 2 h 10 min (b) 1 h 20 min (c) 10 min (d) 1 h 10 min
  9. 9.A film starts at 3:30 and ends at 6:05. How long is the film? (a) 2 h 35 min (b) 2 h 45 min (c) 3 h 35 min (d) 1 h 35 min
  10. 10.What time was it 55 minutes before 2:30? (a) 1:25 (b) 1:45 (c) 2:35 (d) 1:35
  11. 11.What time will it be 15 minutes after 10:55? (a) 11:00 (b) 12:10 (c) 11:10 (d) 10:10
  12. 12.What time will it be 55 minutes after 9:20? (a) 9:15 (b) 10:15 (c) 10:05 (d) 11:15
  13. 13.A film starts at 7:25 and ends at 9:00. How long is the film? (a) 1 h 45 min (b) 2 h 35 min (c) 35 min (d) 1 h 35 min
  14. 14.What time will it be 50 minutes after 2:25? (a) 4:15 (b) 2:15 (c) 3:05 (d) 3:15
  15. 15.A film starts at 1:20 and ends at 4:05. How long is the film? (a) 1 h 45 min (b) 2 h 45 min (c) 3 h 45 min (d) 2 h 55 min
  16. 16.A film starts at 8:05 and ends at 8:50. How long is the film? (a) 1 h 45 min (b) 45 min (c) 55 min (d) 35 min
  17. 17.What time was it 35 minutes before 8:45? (a) 8:20 (b) 7:10 (c) 8:10 (d) 9:10
  18. 18.A film starts at 6:30 and ends at 8:55. How long is the film? (a) 2 h 35 min (b) 3 h 25 min (c) 2 h 25 min (d) 1 h 25 min
  19. 19.A film starts at 1:05 and ends at 2:05. How long is the film? (a) 2 h (b) 1 h (c) 1 h 10 min (d) 50 min
  20. 20.A film starts at 7:10 and ends at 8:05. How long is the film? (a) 55 min (b) 1 h 55 min (c) 1 h 5 min (d) 45 min
  21. 21.A film starts at 3:45 and ends at 5:40. How long is the film? (a) 2 h 55 min (b) 1 h 55 min (c) 55 min (d) 2 h 5 min
  22. 22.What time was it 25 minutes before 10:05? (a) 10:40 (b) 9:50 (c) 8:40 (d) 9:40
  23. 23.A film starts at 5:05 and ends at 6:20. How long is the film? (a) 1 h 25 min (b) 1 h 15 min (c) 2 h 15 min (d) 15 min
  24. 24.What time will it be 55 minutes after 10:55? (a) 12:50 (b) 10:50 (c) 11:40 (d) 11:50
  25. 25.What time will it be 35 minutes after 1:30? (a) 1:05 (b) 2:05 (c) 3:05 (d) 1:55
  26. 26.What time was it 30 minutes before 9:00? (a) 7:30 (b) 8:40 (c) 8:30 (d) 9:30
  27. 27.What time was it 25 minutes before 4:30? (a) 4:05 (b) 3:05 (c) 4:15 (d) 5:05
  28. 28.What time will it be 45 minutes after 10:20? (a) 11:05 (b) 10:05 (c) 10:55 (d) 12:05
  29. 29.What time was it 20 minutes before 3:40? (a) 4:20 (b) 3:20 (c) 2:20 (d) 3:30
  30. 30.What time will it be 30 minutes after 2:55? (a) 3:15 (b) 3:25 (c) 2:25 (d) 4:25
  31. 31.What time was it 25 minutes before 4:10? (a) 2:45 (b) 4:45 (c) 3:55 (d) 3:45
  32. 32.What time was it 20 minutes before 2:20? (a) 2:10 (b) 2:00 (c) 1:00 (d) 3:00
  33. 33.A film starts at 2:30 and ends at 4:20. How long is the film? (a) 1 h 50 min (b) 50 min (c) 2 h 50 min (d) 2 h
  34. 34.What time will it be 50 minutes after 10:20? (a) 11:10 (b) 10:10 (c) 11:00 (d) 12:10
  35. 35.What time was it 30 minutes before 2:05? (a) 1:25 (b) 2:35 (c) 1:45 (d) 1:35
  36. 36.What time was it 25 minutes before 10:10? (a) 9:55 (b) 10:45 (c) 8:45 (d) 9:45
  37. 37.What time will it be 20 minutes after 7:20? (a) 7:30 (b) 7:40 (c) 6:40 (d) 8:40
  38. 38.What time will it be 35 minutes after 1:10? (a) 1:35 (b) 1:55 (c) 2:45 (d) 1:45
  39. 39.A film starts at 3:40 and ends at 6:15. How long is the film? (a) 1 h 35 min (b) 2 h 35 min (c) 2 h 45 min (d) 3 h 35 min
  40. 40.What time will it be 25 minutes after 5:50? (a) 7:15 (b) 5:15 (c) 6:05 (d) 6:15

Answer key

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

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