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Time and Clock Worksheet for Maths Olympiad

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

Answer key

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

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