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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 676 · 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 9:05? (a) 7:50 (b) 9:00 (c) 8:50 (d) 9:50
  2. 2.What time was it 30 minutes before 8:00? (a) 8:30 (b) 7:40 (c) 6:30 (d) 7:30
  3. 3.What time was it 40 minutes before 3:55? (a) 3:25 (b) 2:15 (c) 4:15 (d) 3:15
  4. 4.What time will it be 55 minutes after 5:55? (a) 7:50 (b) 6:40 (c) 5:50 (d) 6:50
  5. 5.What time will it be 45 minutes after 2:50? (a) 3:35 (b) 4:35 (c) 3:25 (d) 2:35
  6. 6.A film starts at 1:35 and ends at 2:25. How long is the film? (a) 40 min (b) 1 h (c) 50 min (d) 1 h 50 min
  7. 7.What time was it 50 minutes before 11:20? (a) 9:30 (b) 10:30 (c) 11:30 (d) 10:40
  8. 8.A film starts at 8:05 and ends at 9:55. How long is the film? (a) 2 h 50 min (b) 50 min (c) 2 h (d) 1 h 50 min
  9. 9.What time will it be 35 minutes after 3:55? (a) 4:20 (b) 5:30 (c) 3:30 (d) 4:30
  10. 10.What time was it 55 minutes before 9:00? (a) 8:15 (b) 7:05 (c) 9:05 (d) 8:05
  11. 11.What time will it be 20 minutes after 9:45? (a) 9:05 (b) 10:05 (c) 11:05 (d) 9:55
  12. 12.What time was it 50 minutes before 6:20? (a) 5:40 (b) 5:30 (c) 6:30 (d) 4:30
  13. 13.A film starts at 7:35 and ends at 9:10. How long is the film? (a) 1 h 35 min (b) 1 h 45 min (c) 35 min (d) 2 h 35 min
  14. 14.A film starts at 5:35 and ends at 6:15. How long is the film? (a) 30 min (b) 1 h 40 min (c) 50 min (d) 40 min
  15. 15.What time will it be 25 minutes after 10:45? (a) 12:10 (b) 10:10 (c) 11:10 (d) 11:00
  16. 16.What time will it be 35 minutes after 2:55? (a) 3:30 (b) 4:30 (c) 2:30 (d) 3:20
  17. 17.A film starts at 8:35 and ends at 10:00. How long is the film? (a) 1 h 35 min (b) 25 min (c) 1 h 25 min (d) 2 h 25 min
  18. 18.What time will it be 30 minutes after 3:15? (a) 3:45 (b) 4:45 (c) 3:35 (d) 2:45
  19. 19.What time was it 30 minutes before 10:15? (a) 9:55 (b) 10:45 (c) 9:45 (d) 8:45
  20. 20.A film starts at 2:20 and ends at 4:55. How long is the film? (a) 2 h 35 min (b) 3 h 35 min (c) 1 h 35 min (d) 2 h 45 min
  21. 21.A film starts at 8:00 and ends at 9:20. How long is the film? (a) 2 h 20 min (b) 1 h 30 min (c) 1 h 20 min (d) 20 min
  22. 22.What time was it 15 minutes before 6:40? (a) 5:25 (b) 6:25 (c) 6:35 (d) 7:25
  23. 23.A film starts at 2:30 and ends at 3:05. How long is the film? (a) 1 h 35 min (b) 45 min (c) 25 min (d) 35 min
  24. 24.A film starts at 8:40 and ends at 10:30. How long is the film? (a) 50 min (b) 2 h 50 min (c) 1 h 50 min (d) 2 h
  25. 25.What time was it 20 minutes before 7:15? (a) 7:55 (b) 7:05 (c) 6:55 (d) 5:55
  26. 26.What time will it be 45 minutes after 4:20? (a) 6:05 (b) 5:05 (c) 4:05 (d) 4:55
  27. 27.A film starts at 7:20 and ends at 8:20. How long is the film? (a) 50 min (b) 1 h (c) 1 h 10 min (d) 2 h
  28. 28.What time was it 55 minutes before 7:10? (a) 7:15 (b) 6:25 (c) 5:15 (d) 6:15
  29. 29.What time will it be 40 minutes after 4:35? (a) 6:15 (b) 5:15 (c) 4:15 (d) 5:05
  30. 30.A film starts at 3:10 and ends at 5:45. How long is the film? (a) 1 h 35 min (b) 2 h 45 min (c) 3 h 35 min (d) 2 h 35 min
  31. 31.What time was it 15 minutes before 6:45? (a) 6:40 (b) 6:30 (c) 5:30 (d) 7:30
  32. 32.What time was it 25 minutes before 4:15? (a) 2:50 (b) 3:50 (c) 4:50 (d) 4:00
  33. 33.A film starts at 3:15 and ends at 4:35. How long is the film? (a) 1 h 30 min (b) 20 min (c) 2 h 20 min (d) 1 h 20 min
  34. 34.What time will it be 40 minutes after 1:25? (a) 1:55 (b) 2:05 (c) 3:05 (d) 1:05
  35. 35.What time will it be 15 minutes after 10:10? (a) 9:25 (b) 11:25 (c) 10:25 (d) 10:15
  36. 36.What time was it 15 minutes before 3:05? (a) 3:00 (b) 3:50 (c) 1:50 (d) 2:50
  37. 37.What time will it be 20 minutes after 7:10? (a) 6:30 (b) 8:30 (c) 7:20 (d) 7:30
  38. 38.What time will it be 55 minutes after 6:35? (a) 7:20 (b) 7:30 (c) 6:30 (d) 8:30
  39. 39.What time was it 30 minutes before 7:20? (a) 7:50 (b) 7:00 (c) 6:50 (d) 5:50
  40. 40.What time was it 35 minutes before 6:55? (a) 5:20 (b) 7:20 (c) 6:30 (d) 6:20

Answer key

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

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