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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 227 · 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 45 minutes before 7:20? (a) 6:35 (b) 6:45 (c) 7:35 (d) 5:35
  2. 2.What time was it 50 minutes before 2:50? (a) 1:00 (b) 3:00 (c) 2:10 (d) 2:00
  3. 3.What time was it 40 minutes before 11:55? (a) 12:15 (b) 10:15 (c) 11:15 (d) 11:25
  4. 4.What time will it be 40 minutes after 6:45? (a) 8:25 (b) 7:25 (c) 7:15 (d) 6:25
  5. 5.A film starts at 2:50 and ends at 5:20. How long is the film? (a) 2 h 40 min (b) 1 h 30 min (c) 2 h 30 min (d) 3 h 30 min
  6. 6.What time will it be 15 minutes after 1:40? (a) 2:05 (b) 1:45 (c) 2:55 (d) 1:55
  7. 7.A film starts at 3:10 and ends at 3:45. How long is the film? (a) 25 min (b) 45 min (c) 35 min (d) 1 h 35 min
  8. 8.What time was it 30 minutes before 7:30? (a) 7:00 (b) 7:10 (c) 6:00 (d) 8:00
  9. 9.What time was it 15 minutes before 10:35? (a) 11:20 (b) 10:30 (c) 9:20 (d) 10:20
  10. 10.What time was it 20 minutes before 6:35? (a) 6:25 (b) 6:15 (c) 7:15 (d) 5:15
  11. 11.What time will it be 40 minutes after 10:55? (a) 11:35 (b) 11:25 (c) 10:35 (d) 12:35
  12. 12.What time was it 35 minutes before 4:45? (a) 5:10 (b) 3:10 (c) 4:10 (d) 4:20
  13. 13.What time will it be 45 minutes after 7:00? (a) 6:45 (b) 8:45 (c) 7:45 (d) 7:35
  14. 14.What time was it 20 minutes before 9:40? (a) 8:20 (b) 10:20 (c) 9:30 (d) 9:20
  15. 15.A film starts at 1:45 and ends at 2:25. How long is the film? (a) 30 min (b) 40 min (c) 50 min (d) 1 h 40 min
  16. 16.What time will it be 30 minutes after 5:10? (a) 5:30 (b) 4:40 (c) 6:40 (d) 5:40
  17. 17.What time will it be 50 minutes after 6:35? (a) 8:25 (b) 6:25 (c) 7:25 (d) 7:15
  18. 18.What time will it be 15 minutes after 4:05? (a) 5:20 (b) 4:20 (c) 3:20 (d) 4:10
  19. 19.A film starts at 2:20 and ends at 3:00. How long is the film? (a) 50 min (b) 1 h 40 min (c) 30 min (d) 40 min
  20. 20.What time was it 25 minutes before 10:55? (a) 10:40 (b) 10:30 (c) 9:30 (d) 11:30
  21. 21.What time will it be 50 minutes after 5:50? (a) 5:40 (b) 6:40 (c) 6:30 (d) 7:40
  22. 22.What time will it be 25 minutes after 1:20? (a) 1:45 (b) 2:45 (c) 1:55 (d) 1:35
  23. 23.What time will it be 15 minutes after 8:30? (a) 8:35 (b) 9:45 (c) 7:45 (d) 8:45
  24. 24.What time was it 30 minutes before 8:10? (a) 6:40 (b) 7:40 (c) 8:40 (d) 7:50
  25. 25.What time will it be 55 minutes after 5:10? (a) 5:55 (b) 7:05 (c) 5:05 (d) 6:05
  26. 26.What time was it 30 minutes before 6:55? (a) 7:25 (b) 6:35 (c) 6:25 (d) 5:25
  27. 27.A film starts at 3:00 and ends at 5:00. How long is the film? (a) 3 h (b) 2 h 10 min (c) 1 h (d) 2 h
  28. 28.What time will it be 35 minutes after 3:05? (a) 3:40 (b) 3:30 (c) 4:40 (d) 2:40
  29. 29.What time will it be 30 minutes after 9:25? (a) 9:45 (b) 8:55 (c) 10:55 (d) 9:55
  30. 30.A film starts at 8:25 and ends at 8:45. How long is the film? (a) 20 min (b) 30 min (c) 1 h 20 min (d) 10 min
  31. 31.A film starts at 7:15 and ends at 10:15. How long is the film? (a) 3 h (b) 4 h (c) 3 h 10 min (d) 2 h
  32. 32.A film starts at 1:45 and ends at 3:25. How long is the film? (a) 40 min (b) 1 h 40 min (c) 2 h 40 min (d) 1 h 50 min
  33. 33.What time was it 20 minutes before 6:45? (a) 6:35 (b) 6:25 (c) 7:25 (d) 5:25
  34. 34.What time will it be 35 minutes after 5:30? (a) 7:05 (b) 5:55 (c) 6:05 (d) 5:05
  35. 35.What time will it be 50 minutes after 9:35? (a) 10:25 (b) 9:25 (c) 11:25 (d) 10:15
  36. 36.What time was it 35 minutes before 5:50? (a) 5:15 (b) 5:25 (c) 4:15 (d) 6:15
  37. 37.What time will it be 20 minutes after 8:05? (a) 7:25 (b) 8:15 (c) 8:25 (d) 9:25
  38. 38.What time was it 30 minutes before 5:00? (a) 4:40 (b) 3:30 (c) 4:30 (d) 5:30
  39. 39.A film starts at 4:40 and ends at 6:50. How long is the film? (a) 2 h 20 min (b) 3 h 10 min (c) 1 h 10 min (d) 2 h 10 min
  40. 40.What time will it be 15 minutes after 9:00? (a) 9:15 (b) 10:15 (c) 9:05 (d) 8:15

Answer key

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

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