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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 447 · 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 15 minutes before 10:00? (a) 10:45 (b) 8:45 (c) 9:55 (d) 9:45
  2. 2.What time was it 45 minutes before 2:40? (a) 1:55 (b) 2:05 (c) 2:55 (d) 1:45
  3. 3.What time was it 15 minutes before 3:05? (a) 1:50 (b) 3:50 (c) 2:50 (d) 3:00
  4. 4.What time will it be 25 minutes after 7:25? (a) 8:50 (b) 6:50 (c) 7:50 (d) 7:40
  5. 5.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
  6. 6.What time was it 20 minutes before 4:35? (a) 4:15 (b) 4:25 (c) 5:15 (d) 3:15
  7. 7.What time was it 50 minutes before 9:20? (a) 9:30 (b) 8:30 (c) 7:30 (d) 8:40
  8. 8.What time will it be 50 minutes after 5:50? (a) 6:40 (b) 6:30 (c) 5:40 (d) 7:40
  9. 9.What time will it be 15 minutes after 2:10? (a) 2:15 (b) 1:25 (c) 2:25 (d) 3:25
  10. 10.What time was it 15 minutes before 10:15? (a) 10:10 (b) 10:00 (c) 11:00 (d) 9:00
  11. 11.What time will it be 15 minutes after 5:15? (a) 5:20 (b) 4:30 (c) 5:30 (d) 6:30
  12. 12.What time will it be 55 minutes after 7:45? (a) 7:40 (b) 8:30 (c) 9:40 (d) 8:40
  13. 13.What time was it 55 minutes before 8:40? (a) 7:55 (b) 6:45 (c) 8:45 (d) 7:45
  14. 14.A film starts at 3:35 and ends at 5:45. How long is the film? (a) 1 h 10 min (b) 2 h 10 min (c) 2 h 20 min (d) 3 h 10 min
  15. 15.What time will it be 40 minutes after 9:35? (a) 9:15 (b) 11:15 (c) 10:15 (d) 10:05
  16. 16.What time was it 15 minutes before 10:20? (a) 9:05 (b) 10:15 (c) 10:05 (d) 11:05
  17. 17.What time will it be 45 minutes after 1:45? (a) 2:30 (b) 1:30 (c) 3:30 (d) 2:20
  18. 18.A film starts at 1:45 and ends at 2:35. How long is the film? (a) 40 min (b) 1 h (c) 1 h 50 min (d) 50 min
  19. 19.A film starts at 7:30 and ends at 9:40. How long is the film? (a) 2 h 20 min (b) 1 h 10 min (c) 3 h 10 min (d) 2 h 10 min
  20. 20.What time will it be 55 minutes after 6:00? (a) 6:55 (b) 7:55 (c) 5:55 (d) 6:45
  21. 21.What time was it 45 minutes before 3:05? (a) 2:30 (b) 2:20 (c) 3:20 (d) 1:20
  22. 22.What time will it be 55 minutes after 7:00? (a) 7:55 (b) 6:55 (c) 8:55 (d) 7:45
  23. 23.What time was it 35 minutes before 4:00? (a) 4:25 (b) 2:25 (c) 3:25 (d) 3:35
  24. 24.What time was it 40 minutes before 11:35? (a) 11:55 (b) 9:55 (c) 10:55 (d) 11:05
  25. 25.What time was it 15 minutes before 7:50? (a) 6:35 (b) 8:35 (c) 7:45 (d) 7:35
  26. 26.What time will it be 25 minutes after 8:10? (a) 8:35 (b) 9:35 (c) 7:35 (d) 8:25
  27. 27.What time will it be 15 minutes after 7:15? (a) 8:30 (b) 7:30 (c) 6:30 (d) 7:20
  28. 28.What time was it 40 minutes before 4:15? (a) 3:35 (b) 3:45 (c) 4:35 (d) 2:35
  29. 29.What time was it 30 minutes before 11:20? (a) 11:50 (b) 10:50 (c) 9:50 (d) 11:00
  30. 30.A film starts at 4:00 and ends at 4:45. How long is the film? (a) 35 min (b) 45 min (c) 55 min (d) 1 h 45 min
  31. 31.A film starts at 3:25 and ends at 4:45. How long is the film? (a) 20 min (b) 1 h 20 min (c) 1 h 30 min (d) 2 h 20 min
  32. 32.A film starts at 6:05 and ends at 7:45. How long is the film? (a) 1 h 50 min (b) 1 h 40 min (c) 40 min (d) 2 h 40 min
  33. 33.What time will it be 20 minutes after 6:15? (a) 7:35 (b) 5:35 (c) 6:25 (d) 6:35
  34. 34.What time was it 20 minutes before 9:50? (a) 10:30 (b) 9:30 (c) 8:30 (d) 9:40
  35. 35.A film starts at 8:10 and ends at 9:40. How long is the film? (a) 30 min (b) 2 h 30 min (c) 1 h 40 min (d) 1 h 30 min
  36. 36.What time was it 15 minutes before 7:20? (a) 8:05 (b) 7:15 (c) 7:05 (d) 6:05
  37. 37.A film starts at 5:10 and ends at 6:50. How long is the film? (a) 40 min (b) 1 h 50 min (c) 2 h 40 min (d) 1 h 40 min
  38. 38.What time will it be 55 minutes after 8:05? (a) 10:00 (b) 9:00 (c) 8:00 (d) 8:50
  39. 39.What time was it 45 minutes before 10:30? (a) 8:45 (b) 9:55 (c) 10:45 (d) 9:45
  40. 40.A film starts at 7:45 and ends at 10:05. How long is the film? (a) 2 h 30 min (b) 1 h 20 min (c) 3 h 20 min (d) 2 h 20 min

Answer key

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

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