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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 49 · 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 7:05 and ends at 9:55. How long is the film? (a) 3 h 50 min (b) 2 h 50 min (c) 3 h (d) 1 h 50 min
  2. 2.What time was it 40 minutes before 4:50? (a) 5:10 (b) 3:10 (c) 4:20 (d) 4:10
  3. 3.What time was it 25 minutes before 10:45? (a) 11:20 (b) 9:20 (c) 10:30 (d) 10:20
  4. 4.A film starts at 8:50 and ends at 9:20. How long is the film? (a) 30 min (b) 40 min (c) 1 h 30 min (d) 20 min
  5. 5.What time was it 35 minutes before 4:40? (a) 4:15 (b) 5:05 (c) 3:05 (d) 4:05
  6. 6.What time was it 55 minutes before 2:25? (a) 1:40 (b) 1:20 (c) 1:30 (d) 2:30
  7. 7.What time was it 55 minutes before 3:20? (a) 2:35 (b) 3:25 (c) 1:25 (d) 2:25
  8. 8.What time was it 20 minutes before 8:05? (a) 8:45 (b) 7:55 (c) 7:45 (d) 6:45
  9. 9.A film starts at 1:30 and ends at 4:30. How long is the film? (a) 3 h 10 min (b) 3 h (c) 2 h (d) 4 h
  10. 10.What time will it be 50 minutes after 4:05? (a) 4:45 (b) 5:55 (c) 4:55 (d) 3:55
  11. 11.What time will it be 25 minutes after 1:45? (a) 3:10 (b) 2:00 (c) 1:10 (d) 2:10
  12. 12.What time will it be 40 minutes after 4:05? (a) 4:45 (b) 3:45 (c) 5:45 (d) 4:35
  13. 13.What time will it be 55 minutes after 4:45? (a) 4:40 (b) 5:40 (c) 5:30 (d) 6:40
  14. 14.What time was it 40 minutes before 11:15? (a) 11:35 (b) 9:35 (c) 10:35 (d) 10:45
  15. 15.What time was it 30 minutes before 2:50? (a) 1:20 (b) 2:20 (c) 3:20 (d) 2:30
  16. 16.What time was it 40 minutes before 11:30? (a) 11:00 (b) 9:50 (c) 11:50 (d) 10:50
  17. 17.What time was it 50 minutes before 2:55? (a) 2:05 (b) 2:15 (c) 1:05 (d) 3:05
  18. 18.What time will it be 20 minutes after 2:25? (a) 2:35 (b) 2:45 (c) 1:45 (d) 3:45
  19. 19.What time will it be 25 minutes after 10:10? (a) 11:35 (b) 10:25 (c) 9:35 (d) 10:35
  20. 20.What time was it 35 minutes before 4:10? (a) 3:45 (b) 4:35 (c) 2:35 (d) 3:35
  21. 21.A film starts at 5:40 and ends at 7:20. How long is the film? (a) 40 min (b) 2 h 40 min (c) 1 h 40 min (d) 1 h 50 min
  22. 22.A film starts at 4:45 and ends at 5:20. How long is the film? (a) 45 min (b) 25 min (c) 1 h 35 min (d) 35 min
  23. 23.What time was it 20 minutes before 9:10? (a) 8:50 (b) 7:50 (c) 9:00 (d) 9:50
  24. 24.What time will it be 50 minutes after 1:40? (a) 2:20 (b) 1:30 (c) 2:30 (d) 3:30
  25. 25.What time will it be 50 minutes after 4:50? (a) 6:40 (b) 4:40 (c) 5:40 (d) 5:30
  26. 26.What time will it be 20 minutes after 10:40? (a) 10:00 (b) 12:00 (c) 11:00 (d) 10:50
  27. 27.What time was it 25 minutes before 2:10? (a) 1:35 (b) 1:55 (c) 2:45 (d) 1:45
  28. 28.What time will it be 25 minutes after 9:45? (a) 10:00 (b) 10:10 (c) 11:10 (d) 9:10
  29. 29.What time will it be 50 minutes after 8:20? (a) 8:10 (b) 10:10 (c) 9:00 (d) 9:10
  30. 30.A film starts at 4:05 and ends at 4:25. How long is the film? (a) 20 min (b) 1 h 20 min (c) 30 min (d) 10 min
  31. 31.What time was it 55 minutes before 7:00? (a) 7:05 (b) 6:15 (c) 6:05 (d) 5:05
  32. 32.What time will it be 55 minutes after 3:10? (a) 3:55 (b) 5:05 (c) 4:05 (d) 3:05
  33. 33.What time will it be 15 minutes after 3:15? (a) 2:30 (b) 4:30 (c) 3:30 (d) 3:20
  34. 34.A film starts at 5:25 and ends at 6:35. How long is the film? (a) 10 min (b) 2 h 10 min (c) 1 h 20 min (d) 1 h 10 min
  35. 35.A film starts at 5:35 and ends at 7:55. How long is the film? (a) 1 h 20 min (b) 2 h 20 min (c) 3 h 20 min (d) 2 h 30 min
  36. 36.What time will it be 35 minutes after 2:15? (a) 3:50 (b) 2:40 (c) 2:50 (d) 1:50
  37. 37.What time will it be 15 minutes after 10:45? (a) 12:00 (b) 11:00 (c) 10:00 (d) 10:50
  38. 38.A film starts at 4:35 and ends at 5:25. How long is the film? (a) 1 h (b) 40 min (c) 1 h 50 min (d) 50 min
  39. 39.What time will it be 45 minutes after 6:00? (a) 7:45 (b) 6:35 (c) 5:45 (d) 6:45
  40. 40.What time was it 20 minutes before 11:10? (a) 10:50 (b) 11:50 (c) 11:00 (d) 9:50

Answer key

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

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