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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 272 · 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 was it 15 minutes before 9:00? (a) 7:45 (b) 8:45 (c) 8:55 (d) 9:45
  2. 2.A film starts at 8:50 and ends at 9:25. How long is the film? (a) 25 min (b) 45 min (c) 1 h 35 min (d) 35 min
  3. 3.What time was it 35 minutes before 7:00? (a) 7:25 (b) 5:25 (c) 6:35 (d) 6:25
  4. 4.What time was it 30 minutes before 5:15? (a) 5:45 (b) 4:45 (c) 3:45 (d) 4:55
  5. 5.What time will it be 55 minutes after 3:05? (a) 5:00 (b) 4:00 (c) 3:00 (d) 3:50
  6. 6.A film starts at 8:10 and ends at 10:00. How long is the film? (a) 2 h (b) 2 h 50 min (c) 1 h 50 min (d) 50 min
  7. 7.What time will it be 55 minutes after 8:40? (a) 10:35 (b) 8:35 (c) 9:35 (d) 9:25
  8. 8.What time will it be 20 minutes after 4:50? (a) 6:10 (b) 5:10 (c) 5:00 (d) 4:10
  9. 9.What time will it be 35 minutes after 8:10? (a) 8:35 (b) 9:45 (c) 7:45 (d) 8:45
  10. 10.What time will it be 35 minutes after 4:45? (a) 5:10 (b) 4:20 (c) 6:20 (d) 5:20
  11. 11.What time was it 40 minutes before 2:30? (a) 1:40 (b) 2:00 (c) 1:50 (d) 2:50
  12. 12.What time was it 20 minutes before 10:35? (a) 10:25 (b) 10:15 (c) 9:15 (d) 11:15
  13. 13.A film starts at 7:20 and ends at 8:10. How long is the film? (a) 1 h (b) 40 min (c) 50 min (d) 1 h 50 min
  14. 14.A film starts at 2:00 and ends at 2:40. How long is the film? (a) 1 h 40 min (b) 50 min (c) 30 min (d) 40 min
  15. 15.A film starts at 3:00 and ends at 3:20. How long is the film? (a) 1 h 20 min (b) 10 min (c) 20 min (d) 30 min
  16. 16.What time will it be 20 minutes after 4:35? (a) 4:55 (b) 4:45 (c) 3:55 (d) 5:55
  17. 17.A film starts at 1:05 and ends at 4:00. How long is the film? (a) 3 h 5 min (b) 1 h 55 min (c) 3 h 55 min (d) 2 h 55 min
  18. 18.What time was it 15 minutes before 3:05? (a) 3:00 (b) 1:50 (c) 3:50 (d) 2:50
  19. 19.What time was it 55 minutes before 9:45? (a) 7:50 (b) 8:50 (c) 9:50 (d) 9:00
  20. 20.What time was it 15 minutes before 3:40? (a) 4:25 (b) 3:35 (c) 3:25 (d) 2:25
  21. 21.What time was it 55 minutes before 5:35? (a) 3:40 (b) 4:40 (c) 4:50 (d) 5:40
  22. 22.What time will it be 30 minutes after 1:15? (a) 1:45 (b) 2:45 (c) 1:35 (d) 1:55
  23. 23.What time will it be 15 minutes after 3:15? (a) 2:30 (b) 4:30 (c) 3:20 (d) 3:30
  24. 24.What time will it be 55 minutes after 10:25? (a) 12:20 (b) 10:20 (c) 11:10 (d) 11:20
  25. 25.What time will it be 30 minutes after 5:00? (a) 4:30 (b) 5:20 (c) 5:30 (d) 6:30
  26. 26.What time was it 55 minutes before 3:00? (a) 3:05 (b) 2:15 (c) 1:05 (d) 2:05
  27. 27.What time will it be 55 minutes after 9:00? (a) 8:55 (b) 10:55 (c) 9:45 (d) 9:55
  28. 28.A film starts at 8:35 and ends at 10:55. How long is the film? (a) 3 h 20 min (b) 1 h 20 min (c) 2 h 30 min (d) 2 h 20 min
  29. 29.A film starts at 8:10 and ends at 10:20. How long is the film? (a) 1 h 10 min (b) 2 h 10 min (c) 2 h 20 min (d) 3 h 10 min
  30. 30.A film starts at 8:40 and ends at 10:15. How long is the film? (a) 35 min (b) 1 h 35 min (c) 2 h 35 min (d) 1 h 45 min
  31. 31.What time was it 20 minutes before 10:30? (a) 11:10 (b) 9:10 (c) 10:20 (d) 10:10
  32. 32.A film starts at 7:45 and ends at 8:15. How long is the film? (a) 1 h 30 min (b) 30 min (c) 20 min (d) 40 min
  33. 33.What time will it be 30 minutes after 1:10? (a) 1:30 (b) 1:50 (c) 2:40 (d) 1:40
  34. 34.What time will it be 45 minutes after 9:25? (a) 10:10 (b) 10:00 (c) 9:10 (d) 11:10
  35. 35.A film starts at 3:55 and ends at 5:20. How long is the film? (a) 25 min (b) 1 h 35 min (c) 2 h 25 min (d) 1 h 25 min
  36. 36.A film starts at 6:35 and ends at 7:15. How long is the film? (a) 50 min (b) 40 min (c) 30 min (d) 1 h 40 min
  37. 37.A film starts at 4:30 and ends at 5:00. How long is the film? (a) 30 min (b) 20 min (c) 40 min (d) 1 h 30 min
  38. 38.What time was it 25 minutes before 3:55? (a) 3:40 (b) 3:30 (c) 4:30 (d) 2:30
  39. 39.What time was it 20 minutes before 8:25? (a) 9:05 (b) 8:05 (c) 7:05 (d) 8:15
  40. 40.What time was it 55 minutes before 4:40? (a) 2:45 (b) 4:45 (c) 3:55 (d) 3:45

Answer key

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

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