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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 670 · 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 will it be 40 minutes after 1:40? (a) 3:20 (b) 2:10 (c) 1:20 (d) 2:20
  2. 2.What time was it 30 minutes before 10:00? (a) 9:40 (b) 10:30 (c) 9:30 (d) 8:30
  3. 3.What time was it 30 minutes before 10:10? (a) 10:40 (b) 9:50 (c) 8:40 (d) 9:40
  4. 4.What time was it 20 minutes before 4:25? (a) 3:05 (b) 4:15 (c) 5:05 (d) 4:05
  5. 5.What time will it be 35 minutes after 3:00? (a) 4:35 (b) 2:35 (c) 3:35 (d) 3:25
  6. 6.What time will it be 40 minutes after 4:00? (a) 5:40 (b) 4:40 (c) 3:40 (d) 4:30
  7. 7.A film starts at 1:40 and ends at 4:35. How long is the film? (a) 1 h 55 min (b) 2 h 55 min (c) 3 h 5 min (d) 3 h 55 min
  8. 8.What time was it 45 minutes before 8:00? (a) 8:15 (b) 7:25 (c) 7:15 (d) 6:15
  9. 9.A film starts at 4:20 and ends at 6:50. 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
  10. 10.What time was it 15 minutes before 11:35? (a) 10:20 (b) 11:20 (c) 12:20 (d) 11:30
  11. 11.A film starts at 4:30 and ends at 5:05. How long is the film? (a) 25 min (b) 1 h 35 min (c) 45 min (d) 35 min
  12. 12.A film starts at 2:40 and ends at 3:20. How long is the film? (a) 30 min (b) 50 min (c) 40 min (d) 1 h 40 min
  13. 13.What time will it be 35 minutes after 7:00? (a) 7:25 (b) 7:35 (c) 6:35 (d) 8:35
  14. 14.A film starts at 2:35 and ends at 3:25. How long is the film? (a) 1 h (b) 1 h 50 min (c) 40 min (d) 50 min
  15. 15.What time was it 15 minutes before 11:20? (a) 11:15 (b) 11:05 (c) 12:05 (d) 10:05
  16. 16.What time was it 20 minutes before 3:10? (a) 2:50 (b) 1:50 (c) 3:50 (d) 3:00
  17. 17.A film starts at 4:25 and ends at 4:55. How long is the film? (a) 1 h 30 min (b) 30 min (c) 20 min (d) 40 min
  18. 18.What time will it be 15 minutes after 2:40? (a) 2:45 (b) 1:55 (c) 3:55 (d) 2:55
  19. 19.What time was it 15 minutes before 9:50? (a) 10:35 (b) 8:35 (c) 9:35 (d) 9:45
  20. 20.What time will it be 20 minutes after 8:00? (a) 9:20 (b) 8:10 (c) 7:20 (d) 8:20
  21. 21.What time will it be 15 minutes after 1:15? (a) 1:30 (b) 1:20 (c) 2:30 (d) 1:40
  22. 22.What time was it 45 minutes before 9:40? (a) 8:55 (b) 7:55 (c) 9:55 (d) 9:05
  23. 23.A film starts at 1:15 and ends at 2:50. How long is the film? (a) 2 h 35 min (b) 1 h 35 min (c) 35 min (d) 1 h 45 min
  24. 24.What time was it 20 minutes before 8:10? (a) 8:50 (b) 8:00 (c) 7:50 (d) 6:50
  25. 25.A film starts at 5:15 and ends at 6:55. How long is the film? (a) 1 h 40 min (b) 2 h 40 min (c) 1 h 50 min (d) 40 min
  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 was it 45 minutes before 9:05? (a) 7:20 (b) 9:20 (c) 8:20 (d) 8:30
  28. 28.A film starts at 4:55 and ends at 6:00. How long is the film? (a) 1 h 5 min (b) 5 min (c) 1 h 15 min (d) 2 h 5 min
  29. 29.A film starts at 7:10 and ends at 8:00. How long is the film? (a) 1 h 50 min (b) 50 min (c) 40 min (d) 1 h
  30. 30.What time was it 30 minutes before 6:50? (a) 6:20 (b) 7:20 (c) 5:20 (d) 6:30
  31. 31.A film starts at 6:45 and ends at 8:45. How long is the film? (a) 3 h (b) 2 h (c) 2 h 10 min (d) 1 h
  32. 32.A film starts at 4:15 and ends at 4:55. How long is the film? (a) 50 min (b) 40 min (c) 30 min (d) 1 h 40 min
  33. 33.What time will it be 15 minutes after 3:40? (a) 2:55 (b) 3:45 (c) 3:55 (d) 4:55
  34. 34.What time was it 55 minutes before 3:35? (a) 1:40 (b) 3:40 (c) 2:50 (d) 2:40
  35. 35.A film starts at 6:50 and ends at 9:00. How long is the film? (a) 2 h 10 min (b) 3 h 10 min (c) 2 h 20 min (d) 1 h 10 min
  36. 36.What time will it be 20 minutes after 6:05? (a) 6:25 (b) 6:15 (c) 5:25 (d) 7:25
  37. 37.A film starts at 3:25 and ends at 6:00. How long is the film? (a) 3 h 35 min (b) 1 h 35 min (c) 2 h 45 min (d) 2 h 35 min
  38. 38.What time will it be 45 minutes after 2:10? (a) 2:55 (b) 1:55 (c) 2:45 (d) 3:55
  39. 39.What time was it 40 minutes before 9:10? (a) 8:30 (b) 8:40 (c) 7:30 (d) 9:30
  40. 40.What time will it be 45 minutes after 10:20? (a) 12:05 (b) 11:05 (c) 10:55 (d) 10:05

Answer key

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

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