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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 757 · 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 40 minutes before 11:30? (a) 11:50 (b) 9:50 (c) 10:50 (d) 11:00
  2. 2.What time was it 45 minutes before 4:50? (a) 5:05 (b) 4:15 (c) 3:05 (d) 4:05
  3. 3.A film starts at 2:40 and ends at 5:35. How long is the film? (a) 2 h 55 min (b) 3 h 5 min (c) 3 h 55 min (d) 1 h 55 min
  4. 4.What time will it be 45 minutes after 4:15? (a) 4:50 (b) 6:00 (c) 4:00 (d) 5:00
  5. 5.What time will it be 40 minutes after 5:10? (a) 6:50 (b) 5:40 (c) 4:50 (d) 5:50
  6. 6.What time will it be 55 minutes after 6:40? (a) 7:25 (b) 6:35 (c) 7:35 (d) 8:35
  7. 7.What time was it 30 minutes before 9:30? (a) 10:00 (b) 8:00 (c) 9:00 (d) 9:10
  8. 8.What time will it be 50 minutes after 3:00? (a) 4:50 (b) 3:40 (c) 3:50 (d) 2:50
  9. 9.A film starts at 3:25 and ends at 4:25. How long is the film? (a) 1 h 10 min (b) 1 h (c) 50 min (d) 2 h
  10. 10.What time will it be 25 minutes after 4:40? (a) 4:55 (b) 6:05 (c) 4:05 (d) 5:05
  11. 11.What time will it be 15 minutes after 2:45? (a) 4:00 (b) 2:00 (c) 3:00 (d) 2:50
  12. 12.What time will it be 40 minutes after 10:10? (a) 9:50 (b) 11:50 (c) 10:50 (d) 10:40
  13. 13.A film starts at 1:40 and ends at 3:00. How long is the film? (a) 1 h 20 min (b) 1 h 30 min (c) 20 min (d) 2 h 20 min
  14. 14.What time will it be 15 minutes after 3:30? (a) 2:45 (b) 3:45 (c) 3:35 (d) 4:45
  15. 15.What time will it be 45 minutes after 4:25? (a) 6:10 (b) 5:10 (c) 5:00 (d) 4:10
  16. 16.What time was it 20 minutes before 9:00? (a) 7:40 (b) 8:50 (c) 8:40 (d) 9:40
  17. 17.A film starts at 5:10 and ends at 6:25. How long is the film? (a) 15 min (b) 2 h 15 min (c) 1 h 15 min (d) 1 h 25 min
  18. 18.What time was it 25 minutes before 6:45? (a) 5:20 (b) 7:20 (c) 6:30 (d) 6:20
  19. 19.A film starts at 6:50 and ends at 8:20. How long is the film? (a) 1 h 40 min (b) 2 h 30 min (c) 30 min (d) 1 h 30 min
  20. 20.A film starts at 1:20 and ends at 3:15. How long is the film? (a) 2 h 5 min (b) 55 min (c) 2 h 55 min (d) 1 h 55 min
  21. 21.What time will it be 20 minutes after 10:45? (a) 10:05 (b) 10:55 (c) 12:05 (d) 11:05
  22. 22.What time was it 30 minutes before 11:25? (a) 11:05 (b) 11:55 (c) 9:55 (d) 10:55
  23. 23.A film starts at 1:20 and ends at 3:45. How long is the film? (a) 3 h 25 min (b) 1 h 25 min (c) 2 h 35 min (d) 2 h 25 min
  24. 24.What time will it be 15 minutes after 6:05? (a) 5:20 (b) 7:20 (c) 6:10 (d) 6:20
  25. 25.What time will it be 25 minutes after 8:05? (a) 7:30 (b) 8:30 (c) 9:30 (d) 8:20
  26. 26.What time will it be 20 minutes after 3:30? (a) 3:50 (b) 3:40 (c) 4:50 (d) 2:50
  27. 27.A film starts at 5:30 and ends at 8:15. 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
  28. 28.What time will it be 30 minutes after 10:15? (a) 9:45 (b) 10:35 (c) 11:45 (d) 10:45
  29. 29.What time was it 15 minutes before 3:15? (a) 4:00 (b) 3:10 (c) 2:00 (d) 3:00
  30. 30.What time will it be 30 minutes after 2:30? (a) 4:00 (b) 3:00 (c) 2:50 (d) 2:00
  31. 31.What time will it be 40 minutes after 2:45? (a) 3:15 (b) 2:25 (c) 3:25 (d) 4:25
  32. 32.What time was it 20 minutes before 11:50? (a) 11:30 (b) 10:30 (c) 11:40 (d) 12:30
  33. 33.What time will it be 15 minutes after 6:00? (a) 7:15 (b) 6:05 (c) 5:15 (d) 6:15
  34. 34.What time was it 55 minutes before 9:30? (a) 8:45 (b) 9:35 (c) 8:35 (d) 7:35
  35. 35.What time was it 45 minutes before 9:20? (a) 8:45 (b) 9:35 (c) 7:35 (d) 8:35
  36. 36.What time was it 20 minutes before 2:20? (a) 2:00 (b) 1:00 (c) 2:10 (d) 3:00
  37. 37.What time will it be 25 minutes after 7:35? (a) 9:00 (b) 7:00 (c) 8:00 (d) 7:50
  38. 38.What time was it 25 minutes before 5:45? (a) 4:20 (b) 5:20 (c) 6:20 (d) 5:30
  39. 39.What time will it be 25 minutes after 5:05? (a) 4:30 (b) 5:20 (c) 6:30 (d) 5:30
  40. 40.A film starts at 8:55 and ends at 9:30. How long is the film? (a) 35 min (b) 1 h 35 min (c) 25 min (d) 45 min

Answer key

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

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