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Time and Clock Worksheet for Maths Olympiad

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

Answer key

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

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