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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 493 · 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 25 minutes after 6:00? (a) 7:25 (b) 5:25 (c) 6:15 (d) 6:25
  2. 2.What time was it 15 minutes before 8:50? (a) 8:45 (b) 9:35 (c) 7:35 (d) 8:35
  3. 3.What time will it be 50 minutes after 2:45? (a) 4:35 (b) 2:35 (c) 3:25 (d) 3:35
  4. 4.What time will it be 20 minutes after 5:10? (a) 5:20 (b) 5:30 (c) 4:30 (d) 6:30
  5. 5.What time will it be 50 minutes after 5:10? (a) 5:50 (b) 7:00 (c) 6:00 (d) 5:00
  6. 6.What time was it 40 minutes before 5:05? (a) 5:25 (b) 3:25 (c) 4:35 (d) 4:25
  7. 7.What time will it be 20 minutes after 10:30? (a) 9:50 (b) 10:40 (c) 10:50 (d) 11:50
  8. 8.What time will it be 25 minutes after 3:05? (a) 2:30 (b) 3:20 (c) 3:30 (d) 4:30
  9. 9.What time was it 45 minutes before 2:30? (a) 1:45 (b) 1:35 (c) 1:55 (d) 2:45
  10. 10.What time was it 50 minutes before 6:20? (a) 6:30 (b) 5:30 (c) 4:30 (d) 5:40
  11. 11.A film starts at 4:35 and ends at 7:05. How long is the film? (a) 1 h 30 min (b) 2 h 30 min (c) 2 h 40 min (d) 3 h 30 min
  12. 12.What time was it 25 minutes before 3:40? (a) 4:15 (b) 3:25 (c) 2:15 (d) 3:15
  13. 13.A film starts at 6:25 and ends at 7:50. How long is the film? (a) 1 h 25 min (b) 25 min (c) 2 h 25 min (d) 1 h 35 min
  14. 14.A film starts at 2:30 and ends at 5:05. How long is the film? (a) 2 h 35 min (b) 3 h 35 min (c) 2 h 45 min (d) 1 h 35 min
  15. 15.What time will it be 30 minutes after 8:50? (a) 9:10 (b) 9:20 (c) 10:20 (d) 8:20
  16. 16.What time was it 55 minutes before 6:20? (a) 5:35 (b) 6:25 (c) 5:25 (d) 4:25
  17. 17.A film starts at 5:10 and ends at 7:10. How long is the film? (a) 3 h (b) 2 h (c) 2 h 10 min (d) 1 h
  18. 18.What time will it be 25 minutes after 7:15? (a) 7:30 (b) 6:40 (c) 7:40 (d) 8:40
  19. 19.What time was it 55 minutes before 6:55? (a) 6:00 (b) 5:00 (c) 6:10 (d) 7:00
  20. 20.A film starts at 2:20 and ends at 4:10. How long is the film? (a) 2 h 50 min (b) 1 h 50 min (c) 50 min (d) 2 h
  21. 21.What time will it be 15 minutes after 4:40? (a) 4:55 (b) 3:55 (c) 4:45 (d) 5:55
  22. 22.What time will it be 40 minutes after 8:15? (a) 9:55 (b) 8:45 (c) 8:55 (d) 7:55
  23. 23.What time will it be 30 minutes after 9:40? (a) 11:10 (b) 10:00 (c) 10:10 (d) 9:10
  24. 24.What time was it 20 minutes before 9:20? (a) 9:10 (b) 10:00 (c) 8:00 (d) 9:00
  25. 25.What time will it be 15 minutes after 8:35? (a) 8:40 (b) 9:50 (c) 8:50 (d) 7:50
  26. 26.A film starts at 7:10 and ends at 9:30. How long is the film? (a) 1 h 20 min (b) 3 h 20 min (c) 2 h 20 min (d) 2 h 30 min
  27. 27.A film starts at 2:45 and ends at 4:55. 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
  28. 28.A film starts at 7:00 and ends at 8:20. How long is the film? (a) 1 h 20 min (b) 1 h 30 min (c) 20 min (d) 2 h 20 min
  29. 29.A film starts at 4:15 and ends at 4:35. How long is the film? (a) 30 min (b) 20 min (c) 10 min (d) 1 h 20 min
  30. 30.A film starts at 8:00 and ends at 9:05. How long is the film? (a) 1 h 15 min (b) 2 h 5 min (c) 5 min (d) 1 h 5 min
  31. 31.What time was it 15 minutes before 11:35? (a) 10:20 (b) 11:30 (c) 12:20 (d) 11:20
  32. 32.What time was it 50 minutes before 7:00? (a) 6:20 (b) 5:10 (c) 7:10 (d) 6:10
  33. 33.What time will it be 30 minutes after 4:25? (a) 4:55 (b) 5:55 (c) 3:55 (d) 4:45
  34. 34.What time will it be 50 minutes after 1:20? (a) 3:10 (b) 2:10 (c) 1:10 (d) 2:00
  35. 35.A film starts at 1:05 and ends at 1:25. How long is the film? (a) 10 min (b) 20 min (c) 30 min (d) 1 h 20 min
  36. 36.What time will it be 50 minutes after 6:35? (a) 6:25 (b) 7:25 (c) 8:25 (d) 7:15
  37. 37.What time was it 45 minutes before 4:30? (a) 3:55 (b) 3:45 (c) 2:45 (d) 4:45
  38. 38.What time will it be 25 minutes after 6:55? (a) 6:20 (b) 7:10 (c) 8:20 (d) 7:20
  39. 39.What time will it be 20 minutes after 9:50? (a) 11:10 (b) 10:00 (c) 10:10 (d) 9:10
  40. 40.What time was it 30 minutes before 3:15? (a) 2:55 (b) 1:45 (c) 2:45 (d) 3:45

Answer key

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

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