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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 770 · 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 20 minutes before 8:45? (a) 8:35 (b) 9:25 (c) 8:25 (d) 7:25
  2. 2.What time will it be 55 minutes after 6:05? (a) 8:00 (b) 6:50 (c) 6:00 (d) 7:00
  3. 3.A film starts at 6:00 and ends at 8:55. How long is the film? (a) 3 h 55 min (b) 2 h 55 min (c) 1 h 55 min (d) 3 h 5 min
  4. 4.What time was it 40 minutes before 9:10? (a) 9:30 (b) 7:30 (c) 8:40 (d) 8:30
  5. 5.What time was it 45 minutes before 11:40? (a) 9:55 (b) 11:55 (c) 10:55 (d) 11:05
  6. 6.What time was it 55 minutes before 3:30? (a) 2:45 (b) 1:35 (c) 2:35 (d) 3:35
  7. 7.What time will it be 40 minutes after 5:45? (a) 6:15 (b) 6:25 (c) 5:25 (d) 7:25
  8. 8.A film starts at 3:25 and ends at 4:20. How long is the film? (a) 1 h 5 min (b) 55 min (c) 1 h 55 min (d) 45 min
  9. 9.What time will it be 30 minutes after 5:35? (a) 5:05 (b) 5:55 (c) 7:05 (d) 6:05
  10. 10.What time will it be 40 minutes after 9:20? (a) 9:50 (b) 9:00 (c) 10:00 (d) 11:00
  11. 11.What time will it be 45 minutes after 7:55? (a) 9:40 (b) 8:40 (c) 8:30 (d) 7:40
  12. 12.What time will it be 25 minutes after 8:00? (a) 8:25 (b) 9:25 (c) 8:15 (d) 7:25
  13. 13.What time will it be 20 minutes after 8:25? (a) 7:45 (b) 8:35 (c) 9:45 (d) 8:45
  14. 14.A film starts at 1:25 and ends at 2:20. How long is the film? (a) 45 min (b) 1 h 55 min (c) 55 min (d) 1 h 5 min
  15. 15.A film starts at 5:40 and ends at 6:00. How long is the film? (a) 20 min (b) 10 min (c) 30 min (d) 1 h 20 min
  16. 16.What time will it be 15 minutes after 9:25? (a) 10:40 (b) 8:40 (c) 9:30 (d) 9:40
  17. 17.What time will it be 30 minutes after 1:30? (a) 2:00 (b) 3:00 (c) 1:00 (d) 1:50
  18. 18.A film starts at 4:05 and ends at 4:30. How long is the film? (a) 1 h 25 min (b) 15 min (c) 35 min (d) 25 min
  19. 19.What time will it be 20 minutes after 7:30? (a) 7:50 (b) 7:40 (c) 8:50 (d) 6:50
  20. 20.What time will it be 35 minutes after 3:10? (a) 2:45 (b) 4:45 (c) 3:35 (d) 3:45
  21. 21.What time will it be 40 minutes after 1:10? (a) 2:50 (b) 1:50 (c) 1:40 (d) 2:00
  22. 22.What time was it 35 minutes before 3:50? (a) 2:15 (b) 4:15 (c) 3:15 (d) 3:25
  23. 23.What time was it 20 minutes before 5:40? (a) 6:20 (b) 4:20 (c) 5:20 (d) 5:30
  24. 24.A film starts at 7:25 and ends at 7:55. How long is the film? (a) 40 min (b) 30 min (c) 20 min (d) 1 h 30 min
  25. 25.A film starts at 3:50 and ends at 5:45. How long is the film? (a) 2 h 55 min (b) 55 min (c) 2 h 5 min (d) 1 h 55 min
  26. 26.What time was it 20 minutes before 10:15? (a) 10:05 (b) 9:55 (c) 8:55 (d) 10:55
  27. 27.A film starts at 4:40 and ends at 5:05. How long is the film? (a) 1 h 25 min (b) 35 min (c) 25 min (d) 15 min
  28. 28.A film starts at 1:30 and ends at 4:10. How long is the film? (a) 2 h 50 min (b) 1 h 40 min (c) 2 h 40 min (d) 3 h 40 min
  29. 29.What time will it be 35 minutes after 2:40? (a) 3:05 (b) 4:15 (c) 3:15 (d) 2:15
  30. 30.What time was it 25 minutes before 11:25? (a) 11:10 (b) 12:00 (c) 10:00 (d) 11:00
  31. 31.What time will it be 55 minutes after 10:00? (a) 11:55 (b) 9:55 (c) 10:45 (d) 10:55
  32. 32.A film starts at 4:50 and ends at 5:50. How long is the film? (a) 1 h (b) 2 h (c) 50 min (d) 1 h 10 min
  33. 33.What time will it be 45 minutes after 4:35? (a) 5:10 (b) 6:20 (c) 5:20 (d) 4:20
  34. 34.A film starts at 1:35 and ends at 2:45. How long is the film? (a) 1 h 20 min (b) 1 h 10 min (c) 10 min (d) 2 h 10 min
  35. 35.A film starts at 4:40 and ends at 6:15. How long is the film? (a) 2 h 35 min (b) 1 h 45 min (c) 35 min (d) 1 h 35 min
  36. 36.What time will it be 35 minutes after 5:00? (a) 4:35 (b) 6:35 (c) 5:35 (d) 5:25
  37. 37.A film starts at 6:30 and ends at 9:00. How long is the film? (a) 2 h 30 min (b) 2 h 40 min (c) 1 h 30 min (d) 3 h 30 min
  38. 38.What time will it be 30 minutes after 3:10? (a) 3:30 (b) 4:40 (c) 3:40 (d) 2:40
  39. 39.What time was it 40 minutes before 2:55? (a) 2:25 (b) 3:15 (c) 1:15 (d) 2:15
  40. 40.A film starts at 4:25 and ends at 6:05. How long is the film? (a) 1 h 50 min (b) 40 min (c) 2 h 40 min (d) 1 h 40 min

Answer key

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

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