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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 462 · 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 30 minutes before 10:45? (a) 10:15 (b) 11:15 (c) 10:25 (d) 9:15
  2. 2.What time was it 15 minutes before 7:00? (a) 5:45 (b) 6:45 (c) 6:55 (d) 7:45
  3. 3.What time will it be 25 minutes after 9:00? (a) 8:25 (b) 9:25 (c) 9:15 (d) 10:25
  4. 4.What time was it 40 minutes before 7:55? (a) 6:15 (b) 7:15 (c) 7:25 (d) 8:15
  5. 5.What time will it be 30 minutes after 8:50? (a) 10:20 (b) 9:10 (c) 8:20 (d) 9:20
  6. 6.What time will it be 55 minutes after 1:35? (a) 2:30 (b) 1:30 (c) 2:20 (d) 3:30
  7. 7.What time was it 15 minutes before 9:55? (a) 9:40 (b) 9:50 (c) 10:40 (d) 8:40
  8. 8.What time was it 40 minutes before 3:05? (a) 3:25 (b) 1:25 (c) 2:35 (d) 2:25
  9. 9.What time will it be 25 minutes after 9:15? (a) 8:40 (b) 9:40 (c) 10:40 (d) 9:30
  10. 10.A film starts at 5:40 and ends at 7:30. How long is the film? (a) 2 h (b) 1 h 50 min (c) 50 min (d) 2 h 50 min
  11. 11.A film starts at 1:10 and ends at 4:00. How long is the film? (a) 3 h (b) 1 h 50 min (c) 3 h 50 min (d) 2 h 50 min
  12. 12.A film starts at 6:00 and ends at 6:20. How long is the film? (a) 1 h 20 min (b) 10 min (c) 20 min (d) 30 min
  13. 13.A film starts at 3:20 and ends at 5:20. How long is the film? (a) 1 h (b) 2 h (c) 2 h 10 min (d) 3 h
  14. 14.What time was it 20 minutes before 10:45? (a) 10:35 (b) 11:25 (c) 10:25 (d) 9:25
  15. 15.What time was it 45 minutes before 9:20? (a) 7:35 (b) 8:45 (c) 8:35 (d) 9:35
  16. 16.A film starts at 4:30 and ends at 4:50. How long is the film? (a) 10 min (b) 30 min (c) 20 min (d) 1 h 20 min
  17. 17.What time was it 20 minutes before 7:05? (a) 6:55 (b) 6:45 (c) 7:45 (d) 5:45
  18. 18.A film starts at 3:50 and ends at 5:45. How long is the film? (a) 1 h 55 min (b) 2 h 55 min (c) 2 h 5 min (d) 55 min
  19. 19.What time will it be 35 minutes after 7:25? (a) 7:50 (b) 7:00 (c) 9:00 (d) 8:00
  20. 20.What time will it be 30 minutes after 2:15? (a) 3:45 (b) 2:35 (c) 1:45 (d) 2:45
  21. 21.What time was it 35 minutes before 4:05? (a) 3:30 (b) 2:30 (c) 4:30 (d) 3:40
  22. 22.What time was it 15 minutes before 2:15? (a) 3:00 (b) 2:00 (c) 1:00 (d) 2:10
  23. 23.What time was it 35 minutes before 2:40? (a) 3:05 (b) 1:05 (c) 2:15 (d) 2:05
  24. 24.What time will it be 25 minutes after 2:25? (a) 2:40 (b) 3:50 (c) 2:50 (d) 1:50
  25. 25.What time will it be 35 minutes after 9:55? (a) 9:30 (b) 10:20 (c) 11:30 (d) 10:30
  26. 26.What time will it be 20 minutes after 6:35? (a) 7:55 (b) 5:55 (c) 6:55 (d) 6:45
  27. 27.What time will it be 40 minutes after 4:45? (a) 5:15 (b) 4:25 (c) 5:25 (d) 6:25
  28. 28.What time will it be 55 minutes after 5:55? (a) 6:40 (b) 6:50 (c) 7:50 (d) 5:50
  29. 29.What time will it be 35 minutes after 3:05? (a) 3:40 (b) 4:40 (c) 3:30 (d) 2:40
  30. 30.What time was it 45 minutes before 6:20? (a) 6:35 (b) 5:45 (c) 4:35 (d) 5:35
  31. 31.What time will it be 20 minutes after 4:25? (a) 4:45 (b) 4:35 (c) 3:45 (d) 5:45
  32. 32.What time was it 45 minutes before 11:50? (a) 12:05 (b) 10:05 (c) 11:15 (d) 11:05
  33. 33.A film starts at 7:15 and ends at 9:55. How long is the film? (a) 2 h 40 min (b) 2 h 50 min (c) 1 h 40 min (d) 3 h 40 min
  34. 34.A film starts at 4:25 and ends at 6:35. How long is the film? (a) 3 h 10 min (b) 2 h 20 min (c) 1 h 10 min (d) 2 h 10 min
  35. 35.What time was it 30 minutes before 4:30? (a) 4:00 (b) 5:00 (c) 3:00 (d) 4:10
  36. 36.A film starts at 7:00 and ends at 8:40. How long is the film? (a) 1 h 50 min (b) 40 min (c) 1 h 40 min (d) 2 h 40 min
  37. 37.What time was it 30 minutes before 5:25? (a) 4:55 (b) 5:55 (c) 5:05 (d) 3:55
  38. 38.What time will it be 20 minutes after 2:55? (a) 3:15 (b) 4:15 (c) 3:05 (d) 2:15
  39. 39.A film starts at 1:05 and ends at 4:05. How long is the film? (a) 4 h (b) 3 h 10 min (c) 2 h (d) 3 h
  40. 40.A film starts at 2:25 and ends at 2:55. How long is the film? (a) 1 h 30 min (b) 20 min (c) 30 min (d) 40 min

Answer key

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

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