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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 433 · 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 8:10? (a) 6:55 (b) 7:55 (c) 8:05 (d) 8:55
  2. 2.What time will it be 40 minutes after 7:20? (a) 9:00 (b) 7:00 (c) 8:00 (d) 7:50
  3. 3.A film starts at 5:15 and ends at 6:40. How long is the film? (a) 2 h 25 min (b) 1 h 35 min (c) 25 min (d) 1 h 25 min
  4. 4.What time was it 15 minutes before 11:20? (a) 12:05 (b) 11:05 (c) 11:15 (d) 10:05
  5. 5.What time will it be 20 minutes after 6:40? (a) 8:00 (b) 7:00 (c) 6:50 (d) 6:00
  6. 6.What time was it 15 minutes before 6:10? (a) 6:05 (b) 6:55 (c) 4:55 (d) 5:55
  7. 7.What time was it 55 minutes before 10:15? (a) 10:20 (b) 9:20 (c) 9:30 (d) 8:20
  8. 8.What time will it be 35 minutes after 1:55? (a) 3:30 (b) 1:30 (c) 2:30 (d) 2:20
  9. 9.A film starts at 2:00 and ends at 5:00. How long is the film? (a) 4 h (b) 3 h (c) 3 h 10 min (d) 2 h
  10. 10.A film starts at 5:05 and ends at 6:05. How long is the film? (a) 2 h (b) 1 h (c) 1 h 10 min (d) 50 min
  11. 11.A film starts at 7:00 and ends at 7:40. How long is the film? (a) 1 h 40 min (b) 30 min (c) 50 min (d) 40 min
  12. 12.What time was it 50 minutes before 11:30? (a) 10:50 (b) 9:40 (c) 11:40 (d) 10:40
  13. 13.A film starts at 2:45 and ends at 3:15. How long is the film? (a) 30 min (b) 1 h 30 min (c) 40 min (d) 20 min
  14. 14.What time was it 50 minutes before 2:20? (a) 2:30 (b) 1:30 (c) 1:40 (d) 1:20
  15. 15.A film starts at 3:45 and ends at 5:10. How long is the film? (a) 1 h 35 min (b) 25 min (c) 1 h 25 min (d) 2 h 25 min
  16. 16.What time will it be 45 minutes after 4:40? (a) 5:15 (b) 4:25 (c) 6:25 (d) 5:25
  17. 17.A film starts at 5:45 and ends at 6:20. How long is the film? (a) 25 min (b) 35 min (c) 45 min (d) 1 h 35 min
  18. 18.A film starts at 2:50 and ends at 3:55. How long is the film? (a) 2 h 5 min (b) 1 h 15 min (c) 1 h 5 min (d) 5 min
  19. 19.What time was it 25 minutes before 6:20? (a) 4:55 (b) 6:55 (c) 6:05 (d) 5:55
  20. 20.A film starts at 2:05 and ends at 3:15. How long is the film? (a) 1 h 10 min (b) 2 h 10 min (c) 1 h 20 min (d) 10 min
  21. 21.What time was it 55 minutes before 5:15? (a) 5:20 (b) 4:20 (c) 4:30 (d) 3:20
  22. 22.A film starts at 1:55 and ends at 3:55. How long is the film? (a) 2 h (b) 3 h (c) 2 h 10 min (d) 1 h
  23. 23.What time was it 35 minutes before 2:55? (a) 1:20 (b) 2:30 (c) 3:20 (d) 2:20
  24. 24.A film starts at 5:40 and ends at 7:00. How long is the film? (a) 2 h 20 min (b) 1 h 30 min (c) 1 h 20 min (d) 20 min
  25. 25.What time will it be 35 minutes after 10:20? (a) 10:45 (b) 10:55 (c) 9:55 (d) 11:55
  26. 26.What time will it be 25 minutes after 2:45? (a) 3:10 (b) 2:10 (c) 3:00 (d) 4:10
  27. 27.What time will it be 40 minutes after 3:30? (a) 4:00 (b) 5:10 (c) 4:10 (d) 3:10
  28. 28.A film starts at 2:15 and ends at 3:20. How long is the film? (a) 5 min (b) 1 h 5 min (c) 1 h 15 min (d) 2 h 5 min
  29. 29.What time will it be 25 minutes after 3:50? (a) 4:05 (b) 5:15 (c) 4:15 (d) 3:15
  30. 30.A film starts at 5:35 and ends at 8:25. How long is the film? (a) 3 h (b) 1 h 50 min (c) 2 h 50 min (d) 3 h 50 min
  31. 31.What time was it 30 minutes before 9:10? (a) 9:40 (b) 8:50 (c) 7:40 (d) 8:40
  32. 32.What time will it be 20 minutes after 2:55? (a) 4:15 (b) 3:05 (c) 2:15 (d) 3:15
  33. 33.A film starts at 3:55 and ends at 6:30. How long is the film? (a) 3 h 35 min (b) 2 h 45 min (c) 2 h 35 min (d) 1 h 35 min
  34. 34.A film starts at 2:25 and ends at 3:05. How long is the film? (a) 1 h 40 min (b) 30 min (c) 50 min (d) 40 min
  35. 35.A film starts at 1:25 and ends at 4:20. How long is the film? (a) 1 h 55 min (b) 2 h 55 min (c) 3 h 55 min (d) 3 h 5 min
  36. 36.A film starts at 4:20 and ends at 6:15. How long is the film? (a) 2 h 55 min (b) 55 min (c) 2 h 5 min (d) 1 h 55 min
  37. 37.A film starts at 8:50 and ends at 9:30. How long is the film? (a) 30 min (b) 50 min (c) 1 h 40 min (d) 40 min
  38. 38.What time was it 30 minutes before 4:00? (a) 3:30 (b) 4:30 (c) 2:30 (d) 3:40
  39. 39.What time will it be 20 minutes after 1:50? (a) 3:10 (b) 2:00 (c) 1:10 (d) 2:10
  40. 40.What time will it be 15 minutes after 2:05? (a) 1:20 (b) 2:10 (c) 3:20 (d) 2:20

Answer key

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

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