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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 382 · 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.A film starts at 4:10 and ends at 5:00. How long is the film? (a) 1 h (b) 50 min (c) 40 min (d) 1 h 50 min
  2. 2.What time was it 45 minutes before 9:35? (a) 9:00 (b) 9:50 (c) 7:50 (d) 8:50
  3. 3.What time will it be 15 minutes after 2:25? (a) 2:40 (b) 2:30 (c) 1:40 (d) 3:40
  4. 4.What time was it 20 minutes before 7:00? (a) 6:40 (b) 5:40 (c) 7:40 (d) 6:50
  5. 5.What time will it be 45 minutes after 5:15? (a) 5:00 (b) 5:50 (c) 7:00 (d) 6:00
  6. 6.A film starts at 1:45 and ends at 3:05. How long is the film? (a) 2 h 20 min (b) 20 min (c) 1 h 30 min (d) 1 h 20 min
  7. 7.What time was it 40 minutes before 2:00? (a) 2:20 (b) 1:30 (c) 1:20 (d) 1:10
  8. 8.A film starts at 6:10 and ends at 7:05. How long is the film? (a) 1 h 5 min (b) 45 min (c) 1 h 55 min (d) 55 min
  9. 9.What time will it be 25 minutes after 10:05? (a) 11:30 (b) 9:30 (c) 10:30 (d) 10:20
  10. 10.What time will it be 45 minutes after 2:35? (a) 3:10 (b) 3:20 (c) 4:20 (d) 2:20
  11. 11.A film starts at 7:30 and ends at 9:35. How long is the film? (a) 2 h 5 min (b) 2 h 15 min (c) 3 h 5 min (d) 1 h 5 min
  12. 12.A film starts at 5:35 and ends at 7:35. How long is the film? (a) 2 h (b) 1 h (c) 2 h 10 min (d) 3 h
  13. 13.What time will it be 25 minutes after 7:05? (a) 8:30 (b) 7:20 (c) 6:30 (d) 7:30
  14. 14.A film starts at 5:45 and ends at 7:15. How long is the film? (a) 1 h 30 min (b) 30 min (c) 2 h 30 min (d) 1 h 40 min
  15. 15.A film starts at 4:15 and ends at 5:25. How long is the film? (a) 1 h 10 min (b) 10 min (c) 1 h 20 min (d) 2 h 10 min
  16. 16.What time will it be 50 minutes after 7:45? (a) 7:35 (b) 9:35 (c) 8:25 (d) 8:35
  17. 17.What time will it be 30 minutes after 10:30? (a) 12:00 (b) 10:00 (c) 10:50 (d) 11:00
  18. 18.What time will it be 30 minutes after 7:35? (a) 7:55 (b) 9:05 (c) 7:05 (d) 8:05
  19. 19.A film starts at 2:50 and ends at 4:00. How long is the film? (a) 1 h 20 min (b) 2 h 10 min (c) 1 h 10 min (d) 10 min
  20. 20.What time will it be 30 minutes after 1:05? (a) 2:35 (b) 1:25 (c) 1:35 (d) 1:45
  21. 21.What time was it 20 minutes before 10:10? (a) 10:50 (b) 10:00 (c) 9:50 (d) 8:50
  22. 22.What time was it 50 minutes before 7:35? (a) 5:45 (b) 7:45 (c) 6:55 (d) 6:45
  23. 23.What time was it 20 minutes before 10:40? (a) 9:20 (b) 10:20 (c) 10:30 (d) 11:20
  24. 24.What time will it be 15 minutes after 7:00? (a) 6:15 (b) 7:15 (c) 8:15 (d) 7:05
  25. 25.What time will it be 45 minutes after 10:20? (a) 11:05 (b) 10:05 (c) 12:05 (d) 10:55
  26. 26.What time was it 20 minutes before 5:20? (a) 6:00 (b) 4:00 (c) 5:10 (d) 5:00
  27. 27.What time was it 15 minutes before 6:05? (a) 4:50 (b) 6:00 (c) 5:50 (d) 6:50
  28. 28.What time was it 15 minutes before 2:55? (a) 2:50 (b) 1:40 (c) 2:40 (d) 3:40
  29. 29.What time will it be 45 minutes after 10:15? (a) 12:00 (b) 11:00 (c) 10:50 (d) 10:00
  30. 30.What time was it 40 minutes before 4:45? (a) 4:05 (b) 5:05 (c) 3:05 (d) 4:15
  31. 31.What time will it be 50 minutes after 6:10? (a) 8:00 (b) 6:50 (c) 6:00 (d) 7:00
  32. 32.A film starts at 5:45 and ends at 7:55. How long is the film? (a) 2 h 10 min (b) 2 h 20 min (c) 3 h 10 min (d) 1 h 10 min
  33. 33.A film starts at 6:40 and ends at 7:10. How long is the film? (a) 40 min (b) 30 min (c) 20 min (d) 1 h 30 min
  34. 34.A film starts at 3:15 and ends at 6:05. How long is the film? (a) 1 h 50 min (b) 3 h 50 min (c) 2 h 50 min (d) 3 h
  35. 35.What time will it be 30 minutes after 3:05? (a) 3:25 (b) 4:35 (c) 3:35 (d) 2:35
  36. 36.What time was it 40 minutes before 4:00? (a) 3:30 (b) 2:20 (c) 4:20 (d) 3:20
  37. 37.A film starts at 2:25 and ends at 3:45. How long is the film? (a) 1 h 20 min (b) 20 min (c) 1 h 30 min (d) 2 h 20 min
  38. 38.What time will it be 35 minutes after 9:05? (a) 9:40 (b) 9:30 (c) 8:40 (d) 10:40
  39. 39.What time was it 50 minutes before 4:50? (a) 5:00 (b) 3:00 (c) 4:10 (d) 4:00
  40. 40.What time was it 35 minutes before 2:20? (a) 1:55 (b) 1:45 (c) 2:45 (d) 1:35

Answer key

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

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