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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 161 · 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 1:20 and ends at 4:10. How long is the film? (a) 3 h 50 min (b) 1 h 50 min (c) 2 h 50 min (d) 3 h
  2. 2.What time will it be 50 minutes after 6:15? (a) 6:05 (b) 6:55 (c) 7:05 (d) 8:05
  3. 3.A film starts at 3:05 and ends at 5:50. 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
  4. 4.A film starts at 8:50 and ends at 10:00. How long is the film? (a) 10 min (b) 1 h 10 min (c) 1 h 20 min (d) 2 h 10 min
  5. 5.A film starts at 7:10 and ends at 9:50. How long is the film? (a) 1 h 40 min (b) 2 h 40 min (c) 3 h 40 min (d) 2 h 50 min
  6. 6.What time will it be 30 minutes after 4:15? (a) 5:45 (b) 4:45 (c) 3:45 (d) 4:35
  7. 7.What time was it 20 minutes before 9:25? (a) 8:05 (b) 10:05 (c) 9:05 (d) 9:15
  8. 8.What time was it 25 minutes before 3:50? (a) 3:35 (b) 3:25 (c) 4:25 (d) 2:25
  9. 9.What time will it be 15 minutes after 2:05? (a) 2:10 (b) 3:20 (c) 2:20 (d) 1:20
  10. 10.What time will it be 25 minutes after 3:40? (a) 5:05 (b) 4:05 (c) 3:55 (d) 3:05
  11. 11.What time was it 40 minutes before 11:00? (a) 9:20 (b) 11:20 (c) 10:30 (d) 10:20
  12. 12.A film starts at 2:40 and ends at 3:55. How long is the film? (a) 1 h 25 min (b) 2 h 15 min (c) 15 min (d) 1 h 15 min
  13. 13.What time will it be 45 minutes after 10:50? (a) 11:25 (b) 12:35 (c) 11:35 (d) 10:35
  14. 14.What time was it 15 minutes before 6:45? (a) 6:40 (b) 6:30 (c) 5:30 (d) 7:30
  15. 15.A film starts at 6:35 and ends at 8:55. How long is the film? (a) 2 h 30 min (b) 3 h 20 min (c) 2 h 20 min (d) 1 h 20 min
  16. 16.What time will it be 40 minutes after 1:05? (a) 1:55 (b) 1:45 (c) 1:35 (d) 2:45
  17. 17.What time will it be 25 minutes after 8:30? (a) 8:45 (b) 9:55 (c) 7:55 (d) 8:55
  18. 18.A film starts at 3:30 and ends at 5:00. How long is the film? (a) 1 h 30 min (b) 30 min (c) 2 h 30 min (d) 1 h 40 min
  19. 19.A film starts at 2:35 and ends at 3:00. How long is the film? (a) 15 min (b) 25 min (c) 35 min (d) 1 h 25 min
  20. 20.What time was it 35 minutes before 9:25? (a) 7:50 (b) 8:50 (c) 9:00 (d) 9:50
  21. 21.A film starts at 4:05 and ends at 4:45. How long is the film? (a) 1 h 40 min (b) 50 min (c) 40 min (d) 30 min
  22. 22.A film starts at 2:05 and ends at 4:35. How long is the film? (a) 1 h 30 min (b) 2 h 30 min (c) 2 h 40 min (d) 3 h 30 min
  23. 23.What time was it 40 minutes before 3:00? (a) 2:20 (b) 2:30 (c) 3:20 (d) 1:20
  24. 24.What time will it be 55 minutes after 7:05? (a) 8:00 (b) 7:50 (c) 7:00 (d) 9:00
  25. 25.A film starts at 1:50 and ends at 3:05. How long is the film? (a) 1 h 25 min (b) 1 h 15 min (c) 15 min (d) 2 h 15 min
  26. 26.What time will it be 30 minutes after 3:25? (a) 4:55 (b) 2:55 (c) 3:45 (d) 3:55
  27. 27.A film starts at 1:15 and ends at 3:10. How long is the film? (a) 2 h 55 min (b) 2 h 5 min (c) 55 min (d) 1 h 55 min
  28. 28.A film starts at 5:05 and ends at 7:25. How long is the film? (a) 1 h 20 min (b) 3 h 20 min (c) 2 h 20 min (d) 2 h 30 min
  29. 29.A film starts at 7:50 and ends at 10:45. How long is the film? (a) 3 h 5 min (b) 2 h 55 min (c) 3 h 55 min (d) 1 h 55 min
  30. 30.What time was it 40 minutes before 5:45? (a) 5:05 (b) 6:05 (c) 5:15 (d) 4:05
  31. 31.What time was it 35 minutes before 8:25? (a) 8:50 (b) 8:00 (c) 7:50 (d) 6:50
  32. 32.What time was it 50 minutes before 11:00? (a) 10:20 (b) 11:10 (c) 9:10 (d) 10:10
  33. 33.What time was it 25 minutes before 4:20? (a) 3:55 (b) 2:55 (c) 4:05 (d) 4:55
  34. 34.What time will it be 15 minutes after 4:40? (a) 4:55 (b) 5:55 (c) 4:45 (d) 3:55
  35. 35.What time was it 45 minutes before 7:10? (a) 5:25 (b) 7:25 (c) 6:25 (d) 6:35
  36. 36.What time was it 45 minutes before 10:55? (a) 10:20 (b) 11:10 (c) 10:10 (d) 9:10
  37. 37.What time was it 15 minutes before 9:20? (a) 9:05 (b) 9:15 (c) 10:05 (d) 8:05
  38. 38.What time was it 35 minutes before 5:05? (a) 5:30 (b) 4:30 (c) 3:30 (d) 4:40
  39. 39.What time will it be 50 minutes after 1:45? (a) 2:25 (b) 3:35 (c) 2:35 (d) 1:35
  40. 40.A film starts at 1:45 and ends at 3:00. How long is the film? (a) 1 h 25 min (b) 1 h 15 min (c) 2 h 15 min (d) 15 min

Answer key

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

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