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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 62 · 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 30 minutes after 3:50? (a) 5:20 (b) 4:10 (c) 3:20 (d) 4:20
  2. 2.What time was it 30 minutes before 4:05? (a) 2:35 (b) 3:45 (c) 4:35 (d) 3:35
  3. 3.What time will it be 40 minutes after 8:00? (a) 9:40 (b) 8:40 (c) 8:30 (d) 7:40
  4. 4.A film starts at 3:10 and ends at 3:30. How long is the film? (a) 20 min (b) 10 min (c) 30 min (d) 1 h 20 min
  5. 5.A film starts at 2:45 and ends at 5:20. How long is the film? (a) 3 h 35 min (b) 2 h 45 min (c) 1 h 35 min (d) 2 h 35 min
  6. 6.A film starts at 2:30 and ends at 3:00. How long is the film? (a) 30 min (b) 40 min (c) 1 h 30 min (d) 20 min
  7. 7.What time was it 15 minutes before 11:50? (a) 11:45 (b) 11:35 (c) 10:35 (d) 12:35
  8. 8.A film starts at 7:45 and ends at 8:35. How long is the film? (a) 1 h 50 min (b) 40 min (c) 50 min (d) 1 h
  9. 9.What time will it be 55 minutes after 10:35? (a) 10:30 (b) 11:20 (c) 12:30 (d) 11:30
  10. 10.A film starts at 5:35 and ends at 8:00. How long is the film? (a) 2 h 35 min (b) 1 h 25 min (c) 2 h 25 min (d) 3 h 25 min
  11. 11.What time was it 40 minutes before 5:40? (a) 5:00 (b) 5:10 (c) 4:00 (d) 6:00
  12. 12.What time was it 55 minutes before 11:30? (a) 11:35 (b) 9:35 (c) 10:35 (d) 10:45
  13. 13.What time was it 40 minutes before 10:25? (a) 9:55 (b) 10:45 (c) 8:45 (d) 9:45
  14. 14.What time will it be 15 minutes after 7:30? (a) 8:45 (b) 7:45 (c) 7:35 (d) 6:45
  15. 15.A film starts at 2:50 and ends at 5:45. How long is the film? (a) 3 h 55 min (b) 2 h 55 min (c) 3 h 5 min (d) 1 h 55 min
  16. 16.What time will it be 50 minutes after 4:05? (a) 4:55 (b) 4:45 (c) 5:55 (d) 3:55
  17. 17.What time was it 25 minutes before 11:20? (a) 9:55 (b) 10:55 (c) 11:05 (d) 11:55
  18. 18.A film starts at 7:55 and ends at 8:40. How long is the film? (a) 55 min (b) 45 min (c) 35 min (d) 1 h 45 min
  19. 19.What time was it 20 minutes before 10:20? (a) 11:00 (b) 9:00 (c) 10:10 (d) 10:00
  20. 20.What time was it 30 minutes before 10:40? (a) 9:10 (b) 10:10 (c) 10:20 (d) 11:10
  21. 21.A film starts at 3:05 and ends at 3:40. How long is the film? (a) 1 h 35 min (b) 25 min (c) 45 min (d) 35 min
  22. 22.What time will it be 30 minutes after 7:25? (a) 7:55 (b) 6:55 (c) 8:55 (d) 7:45
  23. 23.A film starts at 2:25 and ends at 4:30. How long is the film? (a) 1 h 5 min (b) 3 h 5 min (c) 2 h 15 min (d) 2 h 5 min
  24. 24.What time will it be 25 minutes after 3:05? (a) 3:20 (b) 2:30 (c) 4:30 (d) 3:30
  25. 25.What time will it be 35 minutes after 9:15? (a) 10:50 (b) 8:50 (c) 9:50 (d) 9:40
  26. 26.A film starts at 5:00 and ends at 5:25. How long is the film? (a) 25 min (b) 35 min (c) 1 h 25 min (d) 15 min
  27. 27.A film starts at 1:55 and ends at 3:55. How long is the film? (a) 3 h (b) 2 h (c) 1 h (d) 2 h 10 min
  28. 28.What time was it 40 minutes before 6:25? (a) 6:45 (b) 5:55 (c) 4:45 (d) 5:45
  29. 29.What time was it 40 minutes before 3:50? (a) 4:10 (b) 3:20 (c) 3:10 (d) 2:10
  30. 30.What time was it 35 minutes before 2:10? (a) 1:45 (b) 1:35 (c) 2:35 (d) 1:25
  31. 31.What time was it 40 minutes before 11:20? (a) 10:50 (b) 9:40 (c) 10:40 (d) 11:40
  32. 32.What time will it be 20 minutes after 6:15? (a) 7:35 (b) 5:35 (c) 6:25 (d) 6:35
  33. 33.What time will it be 30 minutes after 6:20? (a) 5:50 (b) 7:50 (c) 6:50 (d) 6:40
  34. 34.A film starts at 4:15 and ends at 5:00. How long is the film? (a) 55 min (b) 35 min (c) 1 h 45 min (d) 45 min
  35. 35.What time will it be 30 minutes after 4:35? (a) 6:05 (b) 4:55 (c) 5:05 (d) 4:05
  36. 36.What time will it be 15 minutes after 1:20? (a) 1:25 (b) 2:35 (c) 1:35 (d) 1:45
  37. 37.What time will it be 15 minutes after 8:55? (a) 10:10 (b) 9:00 (c) 9:10 (d) 8:10
  38. 38.A film starts at 7:05 and ends at 7:30. How long is the film? (a) 1 h 25 min (b) 25 min (c) 35 min (d) 15 min
  39. 39.What time was it 30 minutes before 10:20? (a) 10:00 (b) 9:50 (c) 10:50 (d) 8:50
  40. 40.What time was it 15 minutes before 7:00? (a) 6:45 (b) 5:45 (c) 7:45 (d) 6:55

Answer key

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

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