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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 756 · 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 9:15? (a) 8:50 (b) 8:40 (c) 9:40 (d) 7:40
  2. 2.What time will it be 40 minutes after 9:10? (a) 9:50 (b) 10:50 (c) 8:50 (d) 9:40
  3. 3.What time will it be 50 minutes after 6:35? (a) 7:25 (b) 6:25 (c) 7:15 (d) 8:25
  4. 4.What time was it 45 minutes before 11:25? (a) 10:40 (b) 11:40 (c) 9:40 (d) 10:50
  5. 5.What time was it 50 minutes before 5:05? (a) 4:15 (b) 3:15 (c) 5:15 (d) 4:25
  6. 6.A film starts at 6:05 and ends at 8:50. How long is the film? (a) 3 h 45 min (b) 2 h 55 min (c) 2 h 45 min (d) 1 h 45 min
  7. 7.A film starts at 5:35 and ends at 8:20. How long is the film? (a) 2 h 45 min (b) 2 h 55 min (c) 3 h 45 min (d) 1 h 45 min
  8. 8.A film starts at 5:35 and ends at 6:00. How long is the film? (a) 35 min (b) 15 min (c) 1 h 25 min (d) 25 min
  9. 9.What time was it 15 minutes before 3:40? (a) 3:35 (b) 3:25 (c) 4:25 (d) 2:25
  10. 10.A film starts at 5:05 and ends at 6:15. How long is the film? (a) 10 min (b) 1 h 20 min (c) 2 h 10 min (d) 1 h 10 min
  11. 11.A film starts at 2:10 and ends at 5:00. How long is the film? (a) 3 h 50 min (b) 3 h (c) 1 h 50 min (d) 2 h 50 min
  12. 12.What time will it be 25 minutes after 1:00? (a) 2:25 (b) 1:25 (c) 1:15 (d) 1:35
  13. 13.What time was it 25 minutes before 10:00? (a) 9:35 (b) 10:35 (c) 9:45 (d) 8:35
  14. 14.What time was it 15 minutes before 7:30? (a) 7:15 (b) 7:25 (c) 6:15 (d) 8:15
  15. 15.A film starts at 8:05 and ends at 9:30. How long is the film? (a) 2 h 25 min (b) 25 min (c) 1 h 35 min (d) 1 h 25 min
  16. 16.What time was it 35 minutes before 11:25? (a) 11:50 (b) 11:00 (c) 9:50 (d) 10:50
  17. 17.What time will it be 45 minutes after 1:25? (a) 2:10 (b) 3:10 (c) 1:10 (d) 2:00
  18. 18.What time will it be 55 minutes after 2:15? (a) 2:10 (b) 3:00 (c) 4:10 (d) 3:10
  19. 19.A film starts at 8:30 and ends at 11:25. How long is the film? (a) 1 h 55 min (b) 3 h 5 min (c) 2 h 55 min (d) 3 h 55 min
  20. 20.What time will it be 25 minutes after 6:05? (a) 6:30 (b) 6:20 (c) 7:30 (d) 5:30
  21. 21.A film starts at 8:35 and ends at 11:35. How long is the film? (a) 2 h (b) 4 h (c) 3 h (d) 3 h 10 min
  22. 22.What time was it 15 minutes before 5:35? (a) 6:20 (b) 4:20 (c) 5:30 (d) 5:20
  23. 23.What time was it 35 minutes before 7:15? (a) 6:50 (b) 7:40 (c) 5:40 (d) 6:40
  24. 24.What time was it 55 minutes before 8:30? (a) 8:35 (b) 6:35 (c) 7:35 (d) 7:45
  25. 25.What time will it be 45 minutes after 5:50? (a) 6:35 (b) 5:35 (c) 6:25 (d) 7:35
  26. 26.What time will it be 35 minutes after 8:05? (a) 9:40 (b) 8:40 (c) 8:30 (d) 7:40
  27. 27.What time was it 50 minutes before 3:55? (a) 2:05 (b) 3:15 (c) 4:05 (d) 3:05
  28. 28.What time will it be 30 minutes after 10:45? (a) 11:15 (b) 10:15 (c) 11:05 (d) 12:15
  29. 29.What time was it 30 minutes before 7:00? (a) 7:30 (b) 5:30 (c) 6:30 (d) 6:40
  30. 30.What time will it be 15 minutes after 3:15? (a) 4:30 (b) 3:30 (c) 3:20 (d) 2:30
  31. 31.What time will it be 35 minutes after 10:55? (a) 12:30 (b) 11:20 (c) 11:30 (d) 10:30
  32. 32.What time was it 35 minutes before 10:30? (a) 10:55 (b) 10:05 (c) 9:55 (d) 8:55
  33. 33.What time was it 30 minutes before 11:40? (a) 11:10 (b) 10:10 (c) 11:20 (d) 12:10
  34. 34.What time will it be 20 minutes after 3:45? (a) 5:05 (b) 3:05 (c) 3:55 (d) 4:05
  35. 35.A film starts at 5:25 and ends at 8:10. How long is the film? (a) 2 h 45 min (b) 1 h 45 min (c) 2 h 55 min (d) 3 h 45 min
  36. 36.What time was it 50 minutes before 11:55? (a) 12:05 (b) 11:05 (c) 11:15 (d) 10:05
  37. 37.A film starts at 5:30 and ends at 7:30. How long is the film? (a) 2 h 10 min (b) 1 h (c) 2 h (d) 3 h
  38. 38.What time will it be 50 minutes after 8:20? (a) 10:10 (b) 9:10 (c) 8:10 (d) 9:00
  39. 39.A film starts at 4:45 and ends at 5:35. How long is the film? (a) 1 h (b) 50 min (c) 40 min (d) 1 h 50 min
  40. 40.A film starts at 8:35 and ends at 10:10. How long is the film? (a) 2 h 35 min (b) 1 h 45 min (c) 35 min (d) 1 h 35 min

Answer key

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

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