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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 105 · 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 3:45 and ends at 5:05. How long is the film? (a) 2 h 20 min (b) 1 h 30 min (c) 1 h 20 min (d) 20 min
  2. 2.What time was it 40 minutes before 6:50? (a) 5:10 (b) 7:10 (c) 6:10 (d) 6:20
  3. 3.What time was it 20 minutes before 2:40? (a) 3:20 (b) 2:20 (c) 1:20 (d) 2:30
  4. 4.What time was it 35 minutes before 6:15? (a) 4:40 (b) 5:50 (c) 5:40 (d) 6:40
  5. 5.What time will it be 20 minutes after 3:10? (a) 3:30 (b) 4:30 (c) 3:20 (d) 2:30
  6. 6.What time will it be 20 minutes after 6:45? (a) 6:55 (b) 8:05 (c) 6:05 (d) 7:05
  7. 7.What time was it 45 minutes before 2:35? (a) 2:00 (b) 1:40 (c) 2:50 (d) 1:50
  8. 8.What time will it be 40 minutes after 1:20? (a) 3:00 (b) 1:00 (c) 2:00 (d) 1:50
  9. 9.What time will it be 30 minutes after 5:40? (a) 6:00 (b) 5:10 (c) 7:10 (d) 6:10
  10. 10.What time will it be 35 minutes after 9:10? (a) 8:45 (b) 9:35 (c) 10:45 (d) 9:45
  11. 11.What time will it be 35 minutes after 3:15? (a) 2:50 (b) 3:40 (c) 3:50 (d) 4:50
  12. 12.A film starts at 2:35 and ends at 4:45. How long is the film? (a) 1 h 10 min (b) 2 h 10 min (c) 2 h 20 min (d) 3 h 10 min
  13. 13.A film starts at 3:40 and ends at 4:35. How long is the film? (a) 45 min (b) 1 h 5 min (c) 1 h 55 min (d) 55 min
  14. 14.A film starts at 2:15 and ends at 5:05. How long is the film? (a) 2 h 50 min (b) 1 h 50 min (c) 3 h (d) 3 h 50 min
  15. 15.What time will it be 50 minutes after 1:10? (a) 3:00 (b) 1:00 (c) 1:50 (d) 2:00
  16. 16.What time will it be 15 minutes after 7:45? (a) 7:00 (b) 7:50 (c) 9:00 (d) 8:00
  17. 17.What time will it be 15 minutes after 2:25? (a) 3:40 (b) 2:30 (c) 2:40 (d) 1:40
  18. 18.A film starts at 2:05 and ends at 2:25. How long is the film? (a) 1 h 20 min (b) 20 min (c) 10 min (d) 30 min
  19. 19.What time will it be 35 minutes after 4:15? (a) 4:40 (b) 3:50 (c) 4:50 (d) 5:50
  20. 20.A film starts at 5:45 and ends at 8:00. How long is the film? (a) 3 h 15 min (b) 2 h 25 min (c) 1 h 15 min (d) 2 h 15 min
  21. 21.What time will it be 50 minutes after 2:00? (a) 2:40 (b) 2:50 (c) 3:50 (d) 1:50
  22. 22.What time was it 15 minutes before 4:20? (a) 5:05 (b) 3:05 (c) 4:15 (d) 4:05
  23. 23.What time was it 50 minutes before 2:45? (a) 1:55 (b) 1:45 (c) 2:55 (d) 2:05
  24. 24.What time was it 30 minutes before 2:45? (a) 2:15 (b) 2:25 (c) 1:15 (d) 3:15
  25. 25.What time was it 50 minutes before 5:05? (a) 3:15 (b) 4:25 (c) 4:15 (d) 5:15
  26. 26.A film starts at 3:55 and ends at 6:35. How long is the film? (a) 2 h 50 min (b) 1 h 40 min (c) 3 h 40 min (d) 2 h 40 min
  27. 27.A film starts at 3:50 and ends at 6:25. How long is the film? (a) 2 h 45 min (b) 1 h 35 min (c) 2 h 35 min (d) 3 h 35 min
  28. 28.What time will it be 35 minutes after 9:50? (a) 10:25 (b) 10:15 (c) 9:25 (d) 11:25
  29. 29.A film starts at 7:10 and ends at 9:40. How long is the film? (a) 1 h 30 min (b) 2 h 40 min (c) 3 h 30 min (d) 2 h 30 min
  30. 30.What time will it be 50 minutes after 3:10? (a) 3:00 (b) 4:00 (c) 5:00 (d) 3:50
  31. 31.A film starts at 2:15 and ends at 4:55. How long is the film? (a) 1 h 40 min (b) 2 h 40 min (c) 2 h 50 min (d) 3 h 40 min
  32. 32.What time was it 35 minutes before 3:45? (a) 4:10 (b) 2:10 (c) 3:10 (d) 3:20
  33. 33.What time was it 55 minutes before 8:35? (a) 7:40 (b) 8:40 (c) 6:40 (d) 7:50
  34. 34.A film starts at 5:00 and ends at 5:25. How long is the film? (a) 25 min (b) 15 min (c) 1 h 25 min (d) 35 min
  35. 35.What time was it 30 minutes before 6:05? (a) 4:35 (b) 6:35 (c) 5:45 (d) 5:35
  36. 36.What time will it be 15 minutes after 10:15? (a) 9:30 (b) 10:30 (c) 11:30 (d) 10:20
  37. 37.What time will it be 30 minutes after 5:25? (a) 6:55 (b) 5:45 (c) 4:55 (d) 5:55
  38. 38.A film starts at 5:25 and ends at 7:50. How long is the film? (a) 3 h 25 min (b) 2 h 35 min (c) 1 h 25 min (d) 2 h 25 min
  39. 39.A film starts at 2:00 and ends at 4:55. How long is the film? (a) 2 h 55 min (b) 1 h 55 min (c) 3 h 5 min (d) 3 h 55 min
  40. 40.What time was it 15 minutes before 3:45? (a) 3:40 (b) 3:30 (c) 2:30 (d) 4:30

Answer key

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

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