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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 245 · 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 45 minutes after 7:30? (a) 8:05 (b) 7:15 (c) 9:15 (d) 8:15
  2. 2.What time will it be 20 minutes after 2:00? (a) 3:20 (b) 2:20 (c) 2:10 (d) 1:20
  3. 3.A film starts at 4:50 and ends at 5:50. How long is the film? (a) 1 h 10 min (b) 2 h (c) 1 h (d) 50 min
  4. 4.What time will it be 25 minutes after 5:05? (a) 6:30 (b) 4:30 (c) 5:20 (d) 5:30
  5. 5.What time will it be 30 minutes after 1:05? (a) 1:35 (b) 2:35 (c) 1:25 (d) 1:45
  6. 6.What time will it be 25 minutes after 4:30? (a) 4:45 (b) 3:55 (c) 4:55 (d) 5:55
  7. 7.What time will it be 20 minutes after 10:50? (a) 11:00 (b) 12:10 (c) 10:10 (d) 11:10
  8. 8.What time will it be 15 minutes after 8:20? (a) 7:35 (b) 8:25 (c) 8:35 (d) 9:35
  9. 9.A film starts at 7:15 and ends at 8:55. How long is the film? (a) 2 h 40 min (b) 1 h 40 min (c) 40 min (d) 1 h 50 min
  10. 10.A film starts at 3:15 and ends at 4:50. How long is the film? (a) 1 h 35 min (b) 1 h 45 min (c) 35 min (d) 2 h 35 min
  11. 11.What time will it be 20 minutes after 6:00? (a) 6:10 (b) 5:20 (c) 6:20 (d) 7:20
  12. 12.A film starts at 5:00 and ends at 5:55. How long is the film? (a) 55 min (b) 1 h 55 min (c) 45 min (d) 1 h 5 min
  13. 13.What time was it 50 minutes before 7:55? (a) 7:05 (b) 7:15 (c) 8:05 (d) 6:05
  14. 14.What time will it be 50 minutes after 6:30? (a) 8:20 (b) 6:20 (c) 7:20 (d) 7:10
  15. 15.A film starts at 5:20 and ends at 7:25. How long is the film? (a) 2 h 5 min (b) 2 h 15 min (c) 3 h 5 min (d) 1 h 5 min
  16. 16.What time was it 40 minutes before 3:05? (a) 3:25 (b) 2:25 (c) 2:35 (d) 1:25
  17. 17.What time will it be 15 minutes after 3:25? (a) 4:40 (b) 2:40 (c) 3:40 (d) 3:30
  18. 18.A film starts at 7:40 and ends at 9:20. How long is the film? (a) 40 min (b) 2 h 40 min (c) 1 h 40 min (d) 1 h 50 min
  19. 19.What time will it be 15 minutes after 7:40? (a) 8:55 (b) 6:55 (c) 7:45 (d) 7:55
  20. 20.A film starts at 7:30 and ends at 10:15. How long is the film? (a) 1 h 45 min (b) 3 h 45 min (c) 2 h 55 min (d) 2 h 45 min
  21. 21.A film starts at 3:00 and ends at 5:15. How long is the film? (a) 3 h 15 min (b) 2 h 15 min (c) 1 h 15 min (d) 2 h 25 min
  22. 22.What time will it be 20 minutes after 4:00? (a) 5:20 (b) 3:20 (c) 4:10 (d) 4:20
  23. 23.A film starts at 6:40 and ends at 9:40. How long is the film? (a) 3 h (b) 3 h 10 min (c) 2 h (d) 4 h
  24. 24.A film starts at 6:35 and ends at 9:00. 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
  25. 25.A film starts at 5:35 and ends at 8:30. How long is the film? (a) 2 h 55 min (b) 1 h 55 min (c) 3 h 55 min (d) 3 h 5 min
  26. 26.A film starts at 1:15 and ends at 3:25. How long is the film? (a) 2 h 10 min (b) 1 h 10 min (c) 3 h 10 min (d) 2 h 20 min
  27. 27.What time will it be 40 minutes after 9:05? (a) 8:45 (b) 9:35 (c) 9:45 (d) 10:45
  28. 28.A film starts at 4:05 and ends at 6:45. How long is the film? (a) 3 h 40 min (b) 2 h 40 min (c) 2 h 50 min (d) 1 h 40 min
  29. 29.What time was it 15 minutes before 10:30? (a) 10:25 (b) 11:15 (c) 9:15 (d) 10:15
  30. 30.What time will it be 20 minutes after 9:00? (a) 10:20 (b) 9:20 (c) 8:20 (d) 9:10
  31. 31.A film starts at 7:00 and ends at 9:55. How long is the film? (a) 1 h 55 min (b) 2 h 55 min (c) 3 h 55 min (d) 3 h 5 min
  32. 32.What time was it 30 minutes before 2:25? (a) 1:55 (b) 2:55 (c) 2:05 (d) 1:45
  33. 33.What time will it be 20 minutes after 10:35? (a) 9:55 (b) 10:45 (c) 10:55 (d) 11:55
  34. 34.What time will it be 30 minutes after 1:20? (a) 2:50 (b) 1:40 (c) 2:00 (d) 1:50
  35. 35.What time was it 15 minutes before 6:45? (a) 5:30 (b) 6:40 (c) 6:30 (d) 7:30
  36. 36.What time will it be 15 minutes after 3:20? (a) 3:25 (b) 4:35 (c) 3:35 (d) 2:35
  37. 37.What time was it 25 minutes before 3:00? (a) 2:45 (b) 2:35 (c) 3:35 (d) 1:35
  38. 38.What time will it be 55 minutes after 1:45? (a) 2:40 (b) 2:30 (c) 1:40 (d) 3:40
  39. 39.What time will it be 25 minutes after 10:10? (a) 10:35 (b) 10:25 (c) 9:35 (d) 11:35
  40. 40.What time will it be 15 minutes after 5:45? (a) 7:00 (b) 5:50 (c) 5:00 (d) 6:00

Answer key

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

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