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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 205 · 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 35 minutes after 10:35? (a) 10:10 (b) 11:10 (c) 12:10 (d) 11:00
  2. 2.What time was it 55 minutes before 2:35? (a) 1:30 (b) 1:40 (c) 1:50 (d) 2:40
  3. 3.What time was it 50 minutes before 5:45? (a) 4:55 (b) 5:05 (c) 3:55 (d) 5:55
  4. 4.What time was it 15 minutes before 4:15? (a) 3:00 (b) 5:00 (c) 4:10 (d) 4:00
  5. 5.A film starts at 7:20 and ends at 9:30. How long is the film? (a) 1 h 10 min (b) 2 h 20 min (c) 3 h 10 min (d) 2 h 10 min
  6. 6.What time will it be 50 minutes after 5:10? (a) 5:50 (b) 5:00 (c) 6:00 (d) 7:00
  7. 7.What time will it be 45 minutes after 7:45? (a) 8:20 (b) 9:30 (c) 7:30 (d) 8:30
  8. 8.What time will it be 25 minutes after 9:05? (a) 8:30 (b) 9:20 (c) 10:30 (d) 9:30
  9. 9.What time will it be 35 minutes after 7:20? (a) 7:45 (b) 6:55 (c) 8:55 (d) 7:55
  10. 10.What time will it be 20 minutes after 2:00? (a) 2:10 (b) 1:20 (c) 3:20 (d) 2:20
  11. 11.What time was it 15 minutes before 9:10? (a) 7:55 (b) 8:55 (c) 9:05 (d) 9:55
  12. 12.What time will it be 20 minutes after 8:45? (a) 10:05 (b) 8:05 (c) 8:55 (d) 9:05
  13. 13.What time will it be 35 minutes after 4:35? (a) 6:10 (b) 5:10 (c) 4:10 (d) 5:00
  14. 14.What time was it 30 minutes before 9:55? (a) 9:35 (b) 8:25 (c) 10:25 (d) 9:25
  15. 15.What time was it 30 minutes before 10:00? (a) 10:30 (b) 8:30 (c) 9:30 (d) 9:40
  16. 16.What time will it be 20 minutes after 6:15? (a) 5:35 (b) 7:35 (c) 6:35 (d) 6:25
  17. 17.What time was it 40 minutes before 8:40? (a) 7:00 (b) 8:10 (c) 8:00 (d) 9:00
  18. 18.What time was it 20 minutes before 4:20? (a) 5:00 (b) 3:00 (c) 4:10 (d) 4:00
  19. 19.A film starts at 4:35 and ends at 6:10. How long is the film? (a) 1 h 45 min (b) 35 min (c) 1 h 35 min (d) 2 h 35 min
  20. 20.What time will it be 25 minutes after 1:55? (a) 2:20 (b) 1:20 (c) 3:20 (d) 2:10
  21. 21.What time was it 20 minutes before 3:20? (a) 2:00 (b) 3:10 (c) 4:00 (d) 3:00
  22. 22.What time will it be 55 minutes after 8:20? (a) 8:15 (b) 9:05 (c) 9:15 (d) 10:15
  23. 23.What time was it 50 minutes before 8:35? (a) 6:45 (b) 8:45 (c) 7:45 (d) 7:55
  24. 24.What time was it 25 minutes before 2:05? (a) 1:50 (b) 1:30 (c) 1:40 (d) 2:40
  25. 25.A film starts at 4:40 and ends at 5:10. How long is the film? (a) 20 min (b) 30 min (c) 40 min (d) 1 h 30 min
  26. 26.What time was it 15 minutes before 10:55? (a) 11:40 (b) 10:50 (c) 9:40 (d) 10:40
  27. 27.A film starts at 6:50 and ends at 8:55. How long is the film? (a) 3 h 5 min (b) 2 h 15 min (c) 1 h 5 min (d) 2 h 5 min
  28. 28.What time was it 20 minutes before 7:50? (a) 6:30 (b) 8:30 (c) 7:30 (d) 7:40
  29. 29.What time was it 35 minutes before 2:45? (a) 3:10 (b) 2:20 (c) 1:10 (d) 2:10
  30. 30.What time was it 40 minutes before 7:50? (a) 8:10 (b) 7:10 (c) 6:10 (d) 7:20
  31. 31.What time will it be 30 minutes after 9:25? (a) 9:55 (b) 8:55 (c) 9:45 (d) 10:55
  32. 32.What time was it 55 minutes before 9:10? (a) 8:25 (b) 8:15 (c) 9:15 (d) 7:15
  33. 33.What time was it 20 minutes before 5:30? (a) 4:10 (b) 5:20 (c) 5:10 (d) 6:10
  34. 34.What time will it be 35 minutes after 6:20? (a) 6:45 (b) 5:55 (c) 6:55 (d) 7:55
  35. 35.What time was it 35 minutes before 7:30? (a) 7:05 (b) 5:55 (c) 6:55 (d) 7:55
  36. 36.What time was it 50 minutes before 4:15? (a) 4:25 (b) 2:25 (c) 3:25 (d) 3:35
  37. 37.A film starts at 5:30 and ends at 8:20. How long is the film? (a) 1 h 50 min (b) 2 h 50 min (c) 3 h (d) 3 h 50 min
  38. 38.A film starts at 7:20 and ends at 8:10. How long is the film? (a) 50 min (b) 40 min (c) 1 h 50 min (d) 1 h
  39. 39.A film starts at 1:05 and ends at 2:35. How long is the film? (a) 2 h 30 min (b) 30 min (c) 1 h 40 min (d) 1 h 30 min
  40. 40.A film starts at 5:05 and ends at 7:55. How long is the film? (a) 2 h 50 min (b) 3 h (c) 1 h 50 min (d) 3 h 50 min

Answer key

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

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