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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 621 · 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 50 minutes after 4:00? (a) 5:50 (b) 4:50 (c) 3:50 (d) 4:40
  2. 2.What time was it 45 minutes before 10:05? (a) 9:30 (b) 8:20 (c) 10:20 (d) 9:20
  3. 3.What time was it 45 minutes before 7:05? (a) 6:20 (b) 5:20 (c) 6:30 (d) 7:20
  4. 4.What time was it 50 minutes before 11:20? (a) 9:30 (b) 11:30 (c) 10:40 (d) 10:30
  5. 5.A film starts at 3:05 and ends at 5:35. How long is the film? (a) 2 h 40 min (b) 2 h 30 min (c) 1 h 30 min (d) 3 h 30 min
  6. 6.A film starts at 3:25 and ends at 4:55. How long is the film? (a) 1 h 30 min (b) 30 min (c) 2 h 30 min (d) 1 h 40 min
  7. 7.What time was it 40 minutes before 10:50? (a) 10:20 (b) 10:10 (c) 9:10 (d) 11:10
  8. 8.What time will it be 20 minutes after 2:30? (a) 3:50 (b) 2:40 (c) 2:50 (d) 1:50
  9. 9.A film starts at 7:05 and ends at 9:00. How long is the film? (a) 2 h 55 min (b) 55 min (c) 1 h 55 min (d) 2 h 5 min
  10. 10.What time will it be 45 minutes after 3:20? (a) 3:55 (b) 4:05 (c) 5:05 (d) 3:05
  11. 11.What time will it be 50 minutes after 10:55? (a) 11:35 (b) 11:45 (c) 10:45 (d) 12:45
  12. 12.What time will it be 50 minutes after 1:45? (a) 1:35 (b) 2:25 (c) 3:35 (d) 2:35
  13. 13.A film starts at 3:45 and ends at 5:50. How long is the film? (a) 2 h 15 min (b) 1 h 5 min (c) 3 h 5 min (d) 2 h 5 min
  14. 14.A film starts at 8:05 and ends at 8:55. How long is the film? (a) 40 min (b) 1 h (c) 50 min (d) 1 h 50 min
  15. 15.A film starts at 2:35 and ends at 4:35. How long is the film? (a) 2 h 10 min (b) 3 h (c) 1 h (d) 2 h
  16. 16.What time will it be 30 minutes after 1:20? (a) 2:50 (b) 1:50 (c) 1:40 (d) 2:00
  17. 17.What time will it be 15 minutes after 2:05? (a) 2:20 (b) 3:20 (c) 1:20 (d) 2:10
  18. 18.A film starts at 7:40 and ends at 10:25. How long is the film? (a) 1 h 45 min (b) 2 h 55 min (c) 2 h 45 min (d) 3 h 45 min
  19. 19.A film starts at 4:45 and ends at 5:15. How long is the film? (a) 40 min (b) 1 h 30 min (c) 30 min (d) 20 min
  20. 20.What time will it be 50 minutes after 7:45? (a) 7:35 (b) 9:35 (c) 8:35 (d) 8:25
  21. 21.What time will it be 30 minutes after 8:10? (a) 8:30 (b) 7:40 (c) 8:40 (d) 9:40
  22. 22.What time was it 35 minutes before 2:00? (a) 1:25 (b) 1:35 (c) 1:15 (d) 2:25
  23. 23.A film starts at 1:20 and ends at 2:55. How long is the film? (a) 1 h 35 min (b) 1 h 45 min (c) 2 h 35 min (d) 35 min
  24. 24.What time will it be 40 minutes after 10:10? (a) 9:50 (b) 10:50 (c) 10:40 (d) 11:50
  25. 25.What time will it be 25 minutes after 5:45? (a) 6:10 (b) 5:10 (c) 7:10 (d) 6:00
  26. 26.What time will it be 30 minutes after 1:40? (a) 1:10 (b) 3:10 (c) 2:00 (d) 2:10
  27. 27.What time was it 30 minutes before 10:00? (a) 9:40 (b) 8:30 (c) 9:30 (d) 10:30
  28. 28.What time will it be 40 minutes after 10:05? (a) 9:45 (b) 11:45 (c) 10:45 (d) 10:35
  29. 29.What time will it be 30 minutes after 2:25? (a) 2:55 (b) 2:45 (c) 3:55 (d) 1:55
  30. 30.What time was it 20 minutes before 2:00? (a) 1:40 (b) 1:30 (c) 1:50 (d) 2:40
  31. 31.What time was it 50 minutes before 9:25? (a) 8:45 (b) 7:35 (c) 9:35 (d) 8:35
  32. 32.A film starts at 6:45 and ends at 7:30. How long is the film? (a) 35 min (b) 1 h 45 min (c) 45 min (d) 55 min
  33. 33.What time was it 40 minutes before 11:20? (a) 11:40 (b) 9:40 (c) 10:50 (d) 10:40
  34. 34.What time will it be 25 minutes after 10:45? (a) 11:10 (b) 11:00 (c) 10:10 (d) 12:10
  35. 35.A film starts at 3:45 and ends at 6:15. How long is the film? (a) 1 h 30 min (b) 3 h 30 min (c) 2 h 40 min (d) 2 h 30 min
  36. 36.What time was it 20 minutes before 6:45? (a) 6:25 (b) 7:25 (c) 6:35 (d) 5:25
  37. 37.What time will it be 25 minutes after 2:35? (a) 2:00 (b) 2:50 (c) 4:00 (d) 3:00
  38. 38.What time will it be 15 minutes after 6:30? (a) 6:35 (b) 7:45 (c) 6:45 (d) 5:45
  39. 39.A film starts at 2:25 and ends at 2:45. How long is the film? (a) 20 min (b) 1 h 20 min (c) 30 min (d) 10 min
  40. 40.What time was it 45 minutes before 2:50? (a) 2:15 (b) 3:05 (c) 1:05 (d) 2:05

Answer key

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

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