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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 96 · 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) 7:40 (d) 9:40
  2. 2.What time will it be 15 minutes after 7:35? (a) 6:50 (b) 8:50 (c) 7:50 (d) 7:40
  3. 3.What time was it 30 minutes before 8:10? (a) 6:40 (b) 7:50 (c) 7:40 (d) 8:40
  4. 4.What time was it 55 minutes before 9:35? (a) 7:40 (b) 8:50 (c) 9:40 (d) 8:40
  5. 5.What time will it be 30 minutes after 5:05? (a) 4:35 (b) 6:35 (c) 5:25 (d) 5:35
  6. 6.What time will it be 55 minutes after 10:35? (a) 12:30 (b) 11:30 (c) 11:20 (d) 10:30
  7. 7.What time was it 40 minutes before 2:20? (a) 1:30 (b) 2:40 (c) 1:40 (d) 1:50
  8. 8.What time was it 35 minutes before 11:55? (a) 12:20 (b) 11:30 (c) 10:20 (d) 11:20
  9. 9.What time will it be 40 minutes after 9:20? (a) 9:00 (b) 10:00 (c) 9:50 (d) 11:00
  10. 10.What time was it 15 minutes before 7:40? (a) 6:25 (b) 8:25 (c) 7:25 (d) 7:35
  11. 11.What time was it 40 minutes before 5:40? (a) 5:00 (b) 4:00 (c) 5:10 (d) 6:00
  12. 12.A film starts at 5:00 and ends at 7:20. How long is the film? (a) 1 h 20 min (b) 2 h 30 min (c) 3 h 20 min (d) 2 h 20 min
  13. 13.A film starts at 1:40 and ends at 2:05. How long is the film? (a) 1 h 25 min (b) 15 min (c) 35 min (d) 25 min
  14. 14.A film starts at 3:55 and ends at 6:55. How long is the film? (a) 2 h (b) 3 h (c) 3 h 10 min (d) 4 h
  15. 15.A film starts at 7:50 and ends at 9:05. How long is the film? (a) 2 h 15 min (b) 1 h 15 min (c) 1 h 25 min (d) 15 min
  16. 16.A film starts at 8:05 and ends at 8:35. How long is the film? (a) 20 min (b) 40 min (c) 1 h 30 min (d) 30 min
  17. 17.What time will it be 40 minutes after 1:05? (a) 2:45 (b) 1:35 (c) 1:45 (d) 1:55
  18. 18.What time will it be 20 minutes after 7:15? (a) 7:25 (b) 8:35 (c) 7:35 (d) 6:35
  19. 19.What time will it be 45 minutes after 8:15? (a) 8:50 (b) 10:00 (c) 8:00 (d) 9:00
  20. 20.A film starts at 8:10 and ends at 8:40. How long is the film? (a) 30 min (b) 20 min (c) 40 min (d) 1 h 30 min
  21. 21.What time was it 20 minutes before 6:00? (a) 5:50 (b) 6:40 (c) 5:40 (d) 4:40
  22. 22.What time will it be 45 minutes after 10:20? (a) 10:05 (b) 10:55 (c) 11:05 (d) 12:05
  23. 23.A film starts at 3:05 and ends at 3:30. How long is the film? (a) 1 h 25 min (b) 25 min (c) 15 min (d) 35 min
  24. 24.What time will it be 15 minutes after 2:50? (a) 2:55 (b) 4:05 (c) 2:05 (d) 3:05
  25. 25.What time was it 25 minutes before 7:15? (a) 6:50 (b) 7:00 (c) 7:50 (d) 5:50
  26. 26.What time will it be 40 minutes after 8:30? (a) 8:10 (b) 9:00 (c) 9:10 (d) 10:10
  27. 27.What time was it 55 minutes before 7:05? (a) 5:10 (b) 6:10 (c) 7:10 (d) 6:20
  28. 28.What time was it 35 minutes before 11:05? (a) 10:40 (b) 9:30 (c) 11:30 (d) 10:30
  29. 29.What time will it be 25 minutes after 8:20? (a) 8:35 (b) 9:45 (c) 8:45 (d) 7:45
  30. 30.What time was it 25 minutes before 10:40? (a) 10:15 (b) 10:25 (c) 9:15 (d) 11:15
  31. 31.What time was it 25 minutes before 5:05? (a) 5:40 (b) 3:40 (c) 4:40 (d) 4:50
  32. 32.What time was it 50 minutes before 4:10? (a) 2:20 (b) 4:20 (c) 3:30 (d) 3:20
  33. 33.What time will it be 50 minutes after 9:00? (a) 8:50 (b) 10:50 (c) 9:50 (d) 9:40
  34. 34.A film starts at 8:55 and ends at 9:15. How long is the film? (a) 1 h 20 min (b) 30 min (c) 10 min (d) 20 min
  35. 35.What time will it be 50 minutes after 9:55? (a) 10:35 (b) 10:45 (c) 9:45 (d) 11:45
  36. 36.What time was it 15 minutes before 3:10? (a) 3:05 (b) 1:55 (c) 3:55 (d) 2:55
  37. 37.A film starts at 5:00 and ends at 6:30. How long is the film? (a) 30 min (b) 1 h 40 min (c) 2 h 30 min (d) 1 h 30 min
  38. 38.What time was it 30 minutes before 6:20? (a) 4:50 (b) 5:50 (c) 6:50 (d) 6:00
  39. 39.What time will it be 15 minutes after 7:10? (a) 8:25 (b) 6:25 (c) 7:25 (d) 7:15
  40. 40.What time will it be 45 minutes after 6:05? (a) 5:50 (b) 6:40 (c) 6:50 (d) 7:50

Answer key

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

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