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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 642 · 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 50 minutes before 9:00? (a) 8:10 (b) 8:20 (c) 7:10 (d) 9:10
  2. 2.A film starts at 8:40 and ends at 10:25. How long is the film? (a) 1 h 45 min (b) 2 h 45 min (c) 45 min (d) 1 h 55 min
  3. 3.A film starts at 5:00 and ends at 7:40. How long is the film? (a) 3 h 40 min (b) 1 h 40 min (c) 2 h 50 min (d) 2 h 40 min
  4. 4.What time was it 20 minutes before 2:00? (a) 1:30 (b) 2:40 (c) 1:40 (d) 1:50
  5. 5.What time will it be 45 minutes after 1:10? (a) 2:05 (b) 1:45 (c) 2:55 (d) 1:55
  6. 6.What time will it be 20 minutes after 3:50? (a) 4:10 (b) 4:00 (c) 5:10 (d) 3:10
  7. 7.A film starts at 7:10 and ends at 8:10. How long is the film? (a) 50 min (b) 1 h 10 min (c) 1 h (d) 2 h
  8. 8.What time will it be 20 minutes after 6:40? (a) 8:00 (b) 7:00 (c) 6:50 (d) 6:00
  9. 9.A film starts at 4:00 and ends at 5:30. How long is the film? (a) 1 h 30 min (b) 1 h 40 min (c) 2 h 30 min (d) 30 min
  10. 10.What time will it be 50 minutes after 3:15? (a) 3:05 (b) 4:05 (c) 3:55 (d) 5:05
  11. 11.What time will it be 15 minutes after 6:55? (a) 7:00 (b) 7:10 (c) 8:10 (d) 6:10
  12. 12.A film starts at 5:00 and ends at 5:20. How long is the film? (a) 30 min (b) 10 min (c) 1 h 20 min (d) 20 min
  13. 13.What time was it 45 minutes before 6:15? (a) 4:30 (b) 5:30 (c) 6:30 (d) 5:40
  14. 14.What time was it 15 minutes before 2:45? (a) 2:30 (b) 2:40 (c) 1:30 (d) 3:30
  15. 15.What time was it 20 minutes before 5:25? (a) 6:05 (b) 5:05 (c) 5:15 (d) 4:05
  16. 16.What time was it 45 minutes before 4:35? (a) 4:00 (b) 4:50 (c) 3:50 (d) 2:50
  17. 17.A film starts at 1:25 and ends at 4:10. How long is the film? (a) 2 h 45 min (b) 2 h 55 min (c) 1 h 45 min (d) 3 h 45 min
  18. 18.What time will it be 20 minutes after 3:35? (a) 3:45 (b) 2:55 (c) 4:55 (d) 3:55
  19. 19.What time will it be 55 minutes after 8:20? (a) 8:15 (b) 9:15 (c) 10:15 (d) 9:05
  20. 20.What time will it be 55 minutes after 6:55? (a) 7:50 (b) 8:50 (c) 6:50 (d) 7:40
  21. 21.What time was it 50 minutes before 8:05? (a) 6:15 (b) 7:15 (c) 7:25 (d) 8:15
  22. 22.What time was it 35 minutes before 9:40? (a) 8:05 (b) 9:05 (c) 10:05 (d) 9:15
  23. 23.A film starts at 4:35 and ends at 7:25. How long is the film? (a) 3 h (b) 3 h 50 min (c) 1 h 50 min (d) 2 h 50 min
  24. 24.A film starts at 3:45 and ends at 6:40. How long is the film? (a) 1 h 55 min (b) 3 h 5 min (c) 3 h 55 min (d) 2 h 55 min
  25. 25.What time will it be 50 minutes after 1:10? (a) 1:00 (b) 2:00 (c) 1:50 (d) 3:00
  26. 26.A film starts at 3:45 and ends at 4:15. How long is the film? (a) 30 min (b) 40 min (c) 1 h 30 min (d) 20 min
  27. 27.What time will it be 25 minutes after 9:55? (a) 9:20 (b) 11:20 (c) 10:20 (d) 10:10
  28. 28.What time will it be 30 minutes after 9:05? (a) 9:35 (b) 10:35 (c) 8:35 (d) 9:25
  29. 29.What time was it 55 minutes before 8:40? (a) 7:55 (b) 6:45 (c) 7:45 (d) 8:45
  30. 30.What time will it be 20 minutes after 5:30? (a) 6:50 (b) 5:40 (c) 5:50 (d) 4:50
  31. 31.A film starts at 8:15 and ends at 8:55. How long is the film? (a) 1 h 40 min (b) 50 min (c) 30 min (d) 40 min
  32. 32.What time was it 55 minutes before 11:25? (a) 9:30 (b) 11:30 (c) 10:40 (d) 10:30
  33. 33.What time will it be 15 minutes after 7:30? (a) 6:45 (b) 7:35 (c) 8:45 (d) 7:45
  34. 34.What time will it be 15 minutes after 2:50? (a) 4:05 (b) 2:55 (c) 3:05 (d) 2:05
  35. 35.What time was it 25 minutes before 10:05? (a) 9:50 (b) 9:40 (c) 8:40 (d) 10:40
  36. 36.What time will it be 25 minutes after 7:55? (a) 9:20 (b) 8:10 (c) 7:20 (d) 8:20
  37. 37.A film starts at 5:50 and ends at 6:45. How long is the film? (a) 1 h 5 min (b) 45 min (c) 1 h 55 min (d) 55 min
  38. 38.What time was it 45 minutes before 2:45? (a) 3:00 (b) 1:00 (c) 2:00 (d) 2:10
  39. 39.What time was it 30 minutes before 4:50? (a) 4:20 (b) 3:20 (c) 5:20 (d) 4:30
  40. 40.What time will it be 30 minutes after 7:50? (a) 8:20 (b) 9:20 (c) 8:10 (d) 7:20

Answer key

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

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