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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 970 · 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 1:15 and ends at 2:00. How long is the film? (a) 55 min (b) 35 min (c) 1 h 45 min (d) 45 min
  2. 2.A film starts at 3:55 and ends at 4:15. How long is the film? (a) 10 min (b) 20 min (c) 1 h 20 min (d) 30 min
  3. 3.What time was it 40 minutes before 2:20? (a) 1:30 (b) 1:40 (c) 2:40 (d) 1:50
  4. 4.What time will it be 15 minutes after 4:40? (a) 4:45 (b) 3:55 (c) 4:55 (d) 5:55
  5. 5.What time will it be 40 minutes after 10:50? (a) 10:30 (b) 12:30 (c) 11:20 (d) 11:30
  6. 6.What time was it 35 minutes before 10:55? (a) 10:30 (b) 9:20 (c) 10:20 (d) 11:20
  7. 7.What time will it be 25 minutes after 9:45? (a) 9:10 (b) 10:10 (c) 11:10 (d) 10:00
  8. 8.What time will it be 55 minutes after 1:05? (a) 1:00 (b) 3:00 (c) 2:00 (d) 1:50
  9. 9.What time will it be 40 minutes after 4:25? (a) 4:05 (b) 4:55 (c) 5:05 (d) 6:05
  10. 10.What time was it 30 minutes before 11:10? (a) 11:40 (b) 10:50 (c) 10:40 (d) 9:40
  11. 11.A film starts at 6:05 and ends at 6:50. How long is the film? (a) 55 min (b) 45 min (c) 1 h 45 min (d) 35 min
  12. 12.A film starts at 1:50 and ends at 4:50. How long is the film? (a) 3 h (b) 2 h (c) 4 h (d) 3 h 10 min
  13. 13.What time will it be 25 minutes after 9:25? (a) 10:50 (b) 9:40 (c) 9:50 (d) 8:50
  14. 14.What time was it 30 minutes before 9:45? (a) 9:15 (b) 8:15 (c) 9:25 (d) 10:15
  15. 15.What time will it be 35 minutes after 3:10? (a) 4:45 (b) 3:35 (c) 3:45 (d) 2:45
  16. 16.A film starts at 2:25 and ends at 4:25. How long is the film? (a) 3 h (b) 2 h 10 min (c) 2 h (d) 1 h
  17. 17.What time will it be 35 minutes after 4:30? (a) 4:55 (b) 6:05 (c) 4:05 (d) 5:05
  18. 18.What time was it 15 minutes before 9:05? (a) 9:50 (b) 8:50 (c) 9:00 (d) 7:50
  19. 19.What time was it 35 minutes before 11:00? (a) 10:35 (b) 10:25 (c) 9:25 (d) 11:25
  20. 20.What time will it be 45 minutes after 10:45? (a) 11:20 (b) 12:30 (c) 11:30 (d) 10:30
  21. 21.A film starts at 4:45 and ends at 6:30. How long is the film? (a) 1 h 55 min (b) 2 h 45 min (c) 45 min (d) 1 h 45 min
  22. 22.A film starts at 5:45 and ends at 7:25. How long is the film? (a) 1 h 50 min (b) 2 h 40 min (c) 40 min (d) 1 h 40 min
  23. 23.What time will it be 35 minutes after 9:05? (a) 9:30 (b) 10:40 (c) 9:40 (d) 8:40
  24. 24.What time was it 50 minutes before 11:55? (a) 10:05 (b) 11:15 (c) 12:05 (d) 11:05
  25. 25.What time will it be 30 minutes after 6:30? (a) 8:00 (b) 6:50 (c) 6:00 (d) 7:00
  26. 26.What time will it be 25 minutes after 1:55? (a) 3:20 (b) 2:10 (c) 2:20 (d) 1:20
  27. 27.What time was it 55 minutes before 10:05? (a) 10:10 (b) 8:10 (c) 9:10 (d) 9:20
  28. 28.A film starts at 6:25 and ends at 8:45. How long is the film? (a) 2 h 30 min (b) 1 h 20 min (c) 2 h 20 min (d) 3 h 20 min
  29. 29.What time will it be 20 minutes after 3:25? (a) 2:45 (b) 4:45 (c) 3:45 (d) 3:35
  30. 30.A film starts at 2:45 and ends at 5:15. How long is the film? (a) 1 h 30 min (b) 2 h 40 min (c) 3 h 30 min (d) 2 h 30 min
  31. 31.A film starts at 1:55 and ends at 4:45. How long is the film? (a) 2 h 50 min (b) 3 h (c) 3 h 50 min (d) 1 h 50 min
  32. 32.What time was it 50 minutes before 6:25? (a) 6:35 (b) 5:35 (c) 5:45 (d) 4:35
  33. 33.A film starts at 3:35 and ends at 5:55. How long is the film? (a) 3 h 20 min (b) 2 h 30 min (c) 1 h 20 min (d) 2 h 20 min
  34. 34.What time was it 35 minutes before 5:55? (a) 5:30 (b) 6:20 (c) 5:20 (d) 4:20
  35. 35.A film starts at 7:30 and ends at 9:00. How long is the film? (a) 1 h 40 min (b) 30 min (c) 2 h 30 min (d) 1 h 30 min
  36. 36.What time was it 15 minutes before 3:50? (a) 4:35 (b) 3:45 (c) 3:35 (d) 2:35
  37. 37.A film starts at 3:20 and ends at 4:05. How long is the film? (a) 1 h 45 min (b) 55 min (c) 35 min (d) 45 min
  38. 38.A film starts at 1:25 and ends at 3:15. How long is the film? (a) 2 h 50 min (b) 2 h (c) 50 min (d) 1 h 50 min
  39. 39.What time was it 35 minutes before 3:15? (a) 2:50 (b) 3:40 (c) 1:40 (d) 2:40
  40. 40.What time will it be 55 minutes after 10:00? (a) 9:55 (b) 11:55 (c) 10:55 (d) 10:45

Answer key

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

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