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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 340 · 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.A film starts at 5:45 and ends at 7:45. How long is the film? (a) 2 h 10 min (b) 3 h (c) 1 h (d) 2 h
  2. 2.What time will it be 30 minutes after 7:10? (a) 7:40 (b) 7:30 (c) 6:40 (d) 8:40
  3. 3.What time was it 55 minutes before 8:50? (a) 8:55 (b) 7:55 (c) 8:05 (d) 6:55
  4. 4.What time was it 40 minutes before 8:40? (a) 8:00 (b) 7:00 (c) 9:00 (d) 8:10
  5. 5.What time was it 30 minutes before 7:10? (a) 6:40 (b) 5:40 (c) 7:40 (d) 6:50
  6. 6.What time will it be 30 minutes after 2:15? (a) 3:45 (b) 2:35 (c) 2:45 (d) 1:45
  7. 7.What time will it be 40 minutes after 2:55? (a) 4:35 (b) 3:25 (c) 3:35 (d) 2:35
  8. 8.A film starts at 6:15 and ends at 8:35. How long is the film? (a) 2 h 20 min (b) 2 h 30 min (c) 3 h 20 min (d) 1 h 20 min
  9. 9.What time was it 25 minutes before 11:40? (a) 11:15 (b) 12:15 (c) 10:15 (d) 11:25
  10. 10.What time will it be 55 minutes after 2:55? (a) 3:40 (b) 3:50 (c) 2:50 (d) 4:50
  11. 11.What time was it 20 minutes before 5:15? (a) 5:55 (b) 4:55 (c) 3:55 (d) 5:05
  12. 12.What time will it be 25 minutes after 7:00? (a) 7:15 (b) 8:25 (c) 6:25 (d) 7:25
  13. 13.What time will it be 35 minutes after 3:35? (a) 5:10 (b) 3:10 (c) 4:00 (d) 4:10
  14. 14.What time will it be 20 minutes after 7:15? (a) 8:35 (b) 7:25 (c) 7:35 (d) 6:35
  15. 15.A film starts at 4:40 and ends at 5:05. How long is the film? (a) 1 h 25 min (b) 35 min (c) 25 min (d) 15 min
  16. 16.What time will it be 50 minutes after 4:30? (a) 5:20 (b) 6:20 (c) 4:20 (d) 5:10
  17. 17.What time will it be 40 minutes after 8:30? (a) 8:10 (b) 9:00 (c) 10:10 (d) 9:10
  18. 18.What time will it be 55 minutes after 3:00? (a) 3:55 (b) 3:45 (c) 4:55 (d) 2:55
  19. 19.What time will it be 45 minutes after 8:30? (a) 10:15 (b) 9:05 (c) 8:15 (d) 9:15
  20. 20.What time will it be 30 minutes after 1:45? (a) 1:15 (b) 3:15 (c) 2:05 (d) 2:15
  21. 21.What time was it 20 minutes before 11:35? (a) 10:15 (b) 11:25 (c) 12:15 (d) 11:15
  22. 22.What time was it 50 minutes before 11:15? (a) 10:35 (b) 9:25 (c) 10:25 (d) 11:25
  23. 23.What time will it be 50 minutes after 3:45? (a) 3:35 (b) 4:25 (c) 4:35 (d) 5:35
  24. 24.A film starts at 6:10 and ends at 7:00. How long is the film? (a) 1 h 50 min (b) 50 min (c) 40 min (d) 1 h
  25. 25.A film starts at 2:10 and ends at 3:50. How long is the film? (a) 1 h 40 min (b) 40 min (c) 1 h 50 min (d) 2 h 40 min
  26. 26.A film starts at 4:00 and ends at 4:50. How long is the film? (a) 40 min (b) 50 min (c) 1 h (d) 1 h 50 min
  27. 27.What time was it 20 minutes before 4:20? (a) 4:10 (b) 4:00 (c) 5:00 (d) 3:00
  28. 28.What time will it be 20 minutes after 2:05? (a) 2:15 (b) 3:25 (c) 1:25 (d) 2:25
  29. 29.What time will it be 15 minutes after 5:45? (a) 7:00 (b) 6:00 (c) 5:00 (d) 5:50
  30. 30.What time was it 50 minutes before 7:35? (a) 6:55 (b) 7:45 (c) 5:45 (d) 6:45
  31. 31.What time was it 30 minutes before 4:10? (a) 4:40 (b) 3:50 (c) 3:40 (d) 2:40
  32. 32.What time will it be 35 minutes after 10:10? (a) 11:45 (b) 10:45 (c) 10:35 (d) 9:45
  33. 33.A film starts at 2:50 and ends at 5:10. How long is the film? (a) 2 h 20 min (b) 2 h 30 min (c) 1 h 20 min (d) 3 h 20 min
  34. 34.A film starts at 5:10 and ends at 5:50. How long is the film? (a) 50 min (b) 1 h 40 min (c) 30 min (d) 40 min
  35. 35.What time was it 35 minutes before 11:10? (a) 11:35 (b) 9:35 (c) 10:45 (d) 10:35
  36. 36.What time was it 45 minutes before 6:10? (a) 6:25 (b) 5:25 (c) 4:25 (d) 5:35
  37. 37.What time was it 15 minutes before 8:40? (a) 8:25 (b) 8:35 (c) 7:25 (d) 9:25
  38. 38.What time was it 50 minutes before 9:00? (a) 7:10 (b) 8:10 (c) 8:20 (d) 9:10
  39. 39.What time was it 45 minutes before 4:15? (a) 4:30 (b) 2:30 (c) 3:40 (d) 3:30
  40. 40.What time will it be 15 minutes after 2:15? (a) 3:30 (b) 2:30 (c) 1:30 (d) 2:20

Answer key

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

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