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Time and Clock Worksheet for Maths Olympiad

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

Answer key

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

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