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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 155 · 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 1:55? (a) 3:25 (b) 2:25 (c) 1:25 (d) 2:15
  2. 2.What time was it 20 minutes before 8:05? (a) 7:55 (b) 6:45 (c) 8:45 (d) 7:45
  3. 3.What time was it 20 minutes before 4:00? (a) 3:40 (b) 2:40 (c) 4:40 (d) 3:50
  4. 4.A film starts at 4:20 and ends at 5:25. How long is the film? (a) 1 h 15 min (b) 5 min (c) 1 h 5 min (d) 2 h 5 min
  5. 5.What time will it be 15 minutes after 5:30? (a) 4:45 (b) 5:35 (c) 5:45 (d) 6:45
  6. 6.What time will it be 15 minutes after 8:10? (a) 9:25 (b) 8:25 (c) 8:15 (d) 7:25
  7. 7.What time will it be 20 minutes after 1:40? (a) 2:00 (b) 3:00 (c) 1:50 (d) 1:00
  8. 8.What time was it 25 minutes before 5:10? (a) 4:55 (b) 5:45 (c) 4:45 (d) 3:45
  9. 9.What time was it 30 minutes before 5:10? (a) 4:50 (b) 3:40 (c) 5:40 (d) 4:40
  10. 10.What time will it be 25 minutes after 1:35? (a) 1:00 (b) 3:00 (c) 2:00 (d) 1:50
  11. 11.A film starts at 8:20 and ends at 10:45. How long is the film? (a) 2 h 35 min (b) 3 h 25 min (c) 2 h 25 min (d) 1 h 25 min
  12. 12.A film starts at 6:40 and ends at 7:55. How long is the film? (a) 15 min (b) 1 h 25 min (c) 2 h 15 min (d) 1 h 15 min
  13. 13.A film starts at 6:35 and ends at 8:50. How long is the film? (a) 1 h 15 min (b) 2 h 15 min (c) 2 h 25 min (d) 3 h 15 min
  14. 14.What time will it be 40 minutes after 1:40? (a) 2:10 (b) 1:20 (c) 2:20 (d) 3:20
  15. 15.What time will it be 15 minutes after 1:10? (a) 1:35 (b) 2:25 (c) 1:25 (d) 1:15
  16. 16.What time was it 55 minutes before 6:10? (a) 5:25 (b) 5:15 (c) 6:15 (d) 4:15
  17. 17.What time will it be 30 minutes after 5:20? (a) 6:50 (b) 5:40 (c) 5:50 (d) 4:50
  18. 18.What time was it 40 minutes before 6:30? (a) 4:50 (b) 6:00 (c) 5:50 (d) 6:50
  19. 19.What time will it be 45 minutes after 7:05? (a) 8:50 (b) 7:40 (c) 7:50 (d) 6:50
  20. 20.A film starts at 5:00 and ends at 7:50. How long is the film? (a) 1 h 50 min (b) 3 h 50 min (c) 3 h (d) 2 h 50 min
  21. 21.A film starts at 2:10 and ends at 2:55. How long is the film? (a) 45 min (b) 35 min (c) 1 h 45 min (d) 55 min
  22. 22.What time will it be 30 minutes after 3:55? (a) 4:25 (b) 4:15 (c) 3:25 (d) 5:25
  23. 23.A film starts at 1:20 and ends at 4:05. How long is the film? (a) 1 h 45 min (b) 2 h 45 min (c) 2 h 55 min (d) 3 h 45 min
  24. 24.What time was it 20 minutes before 2:40? (a) 2:30 (b) 3:20 (c) 2:20 (d) 1:20
  25. 25.What time will it be 45 minutes after 2:00? (a) 3:45 (b) 1:45 (c) 2:35 (d) 2:45
  26. 26.What time will it be 15 minutes after 1:00? (a) 1:25 (b) 2:15 (c) 1:05 (d) 1:15
  27. 27.What time was it 40 minutes before 7:40? (a) 8:00 (b) 7:10 (c) 6:00 (d) 7:00
  28. 28.What time was it 45 minutes before 3:35? (a) 3:50 (b) 3:00 (c) 1:50 (d) 2:50
  29. 29.What time will it be 20 minutes after 10:50? (a) 11:10 (b) 11:00 (c) 10:10 (d) 12:10
  30. 30.What time was it 25 minutes before 2:35? (a) 3:10 (b) 1:10 (c) 2:20 (d) 2:10
  31. 31.What time was it 40 minutes before 5:10? (a) 3:30 (b) 4:40 (c) 4:30 (d) 5:30
  32. 32.What time was it 20 minutes before 5:05? (a) 4:45 (b) 3:45 (c) 4:55 (d) 5:45
  33. 33.What time was it 15 minutes before 3:40? (a) 2:25 (b) 3:25 (c) 4:25 (d) 3:35
  34. 34.A film starts at 8:40 and ends at 9:40. How long is the film? (a) 2 h (b) 1 h 10 min (c) 50 min (d) 1 h
  35. 35.What time was it 25 minutes before 4:00? (a) 2:35 (b) 3:35 (c) 3:45 (d) 4:35
  36. 36.What time will it be 15 minutes after 1:25? (a) 1:50 (b) 2:40 (c) 1:30 (d) 1:40
  37. 37.What time was it 40 minutes before 7:20? (a) 5:40 (b) 7:40 (c) 6:50 (d) 6:40
  38. 38.What time was it 15 minutes before 4:50? (a) 3:35 (b) 5:35 (c) 4:45 (d) 4:35
  39. 39.A film starts at 2:05 and ends at 4:15. How long is the film? (a) 2 h 20 min (b) 1 h 10 min (c) 3 h 10 min (d) 2 h 10 min
  40. 40.What time will it be 40 minutes after 3:30? (a) 4:00 (b) 3:10 (c) 5:10 (d) 4:10

Answer key

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

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