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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 397 · 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 6:25 and ends at 9:10. How long is the film? (a) 3 h 45 min (b) 2 h 45 min (c) 2 h 55 min (d) 1 h 45 min
  2. 2.What time will it be 20 minutes after 7:30? (a) 8:50 (b) 7:50 (c) 7:40 (d) 6:50
  3. 3.What time was it 15 minutes before 4:50? (a) 4:45 (b) 3:35 (c) 4:35 (d) 5:35
  4. 4.What time was it 25 minutes before 9:40? (a) 9:15 (b) 10:15 (c) 8:15 (d) 9:25
  5. 5.What time will it be 25 minutes after 5:05? (a) 5:20 (b) 5:30 (c) 6:30 (d) 4:30
  6. 6.A film starts at 2:10 and ends at 5:05. How long is the film? (a) 1 h 55 min (b) 2 h 55 min (c) 3 h 55 min (d) 3 h 5 min
  7. 7.A film starts at 8:35 and ends at 10:55. 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
  8. 8.What time will it be 35 minutes after 6:55? (a) 8:30 (b) 7:30 (c) 7:20 (d) 6:30
  9. 9.A film starts at 2:35 and ends at 4:40. How long is the film? (a) 3 h 5 min (b) 2 h 5 min (c) 1 h 5 min (d) 2 h 15 min
  10. 10.A film starts at 1:55 and ends at 4:45. How long is the film? (a) 1 h 50 min (b) 3 h (c) 2 h 50 min (d) 3 h 50 min
  11. 11.What time will it be 55 minutes after 9:00? (a) 10:55 (b) 8:55 (c) 9:55 (d) 9:45
  12. 12.A film starts at 8:00 and ends at 10:30. How long is the film? (a) 2 h 30 min (b) 3 h 30 min (c) 2 h 40 min (d) 1 h 30 min
  13. 13.A film starts at 1:30 and ends at 2:00. How long is the film? (a) 1 h 30 min (b) 40 min (c) 20 min (d) 30 min
  14. 14.What time was it 15 minutes before 10:30? (a) 10:15 (b) 11:15 (c) 10:25 (d) 9:15
  15. 15.What time was it 40 minutes before 3:20? (a) 2:40 (b) 2:50 (c) 1:40 (d) 3:40
  16. 16.What time will it be 45 minutes after 1:45? (a) 3:30 (b) 1:30 (c) 2:20 (d) 2:30
  17. 17.A film starts at 7:15 and ends at 8:30. How long is the film? (a) 1 h 15 min (b) 2 h 15 min (c) 15 min (d) 1 h 25 min
  18. 18.What time will it be 35 minutes after 8:05? (a) 9:40 (b) 8:30 (c) 7:40 (d) 8:40
  19. 19.What time was it 30 minutes before 7:30? (a) 8:00 (b) 7:00 (c) 6:00 (d) 7:10
  20. 20.A film starts at 4:10 and ends at 7:00. How long is the film? (a) 3 h 50 min (b) 1 h 50 min (c) 3 h (d) 2 h 50 min
  21. 21.What time will it be 40 minutes after 6:35? (a) 6:15 (b) 8:15 (c) 7:15 (d) 7:05
  22. 22.A film starts at 4:05 and ends at 4:25. How long is the film? (a) 30 min (b) 20 min (c) 1 h 20 min (d) 10 min
  23. 23.What time will it be 20 minutes after 7:05? (a) 7:15 (b) 8:25 (c) 7:25 (d) 6:25
  24. 24.What time will it be 35 minutes after 7:30? (a) 9:05 (b) 7:05 (c) 7:55 (d) 8:05
  25. 25.What time will it be 40 minutes after 2:10? (a) 1:50 (b) 2:40 (c) 3:50 (d) 2:50
  26. 26.What time was it 45 minutes before 2:05? (a) 1:10 (b) 2:20 (c) 1:30 (d) 1:20
  27. 27.What time was it 40 minutes before 7:15? (a) 7:35 (b) 5:35 (c) 6:45 (d) 6:35
  28. 28.What time will it be 55 minutes after 8:10? (a) 10:05 (b) 8:55 (c) 9:05 (d) 8:05
  29. 29.What time will it be 15 minutes after 10:40? (a) 11:55 (b) 10:45 (c) 10:55 (d) 9:55
  30. 30.What time will it be 50 minutes after 1:05? (a) 2:55 (b) 1:45 (c) 1:55 (d) 2:05
  31. 31.What time will it be 50 minutes after 2:05? (a) 1:55 (b) 3:55 (c) 2:55 (d) 2:45
  32. 32.What time was it 30 minutes before 9:05? (a) 9:35 (b) 8:35 (c) 7:35 (d) 8:45
  33. 33.A film starts at 5:05 and ends at 5:55. How long is the film? (a) 1 h 50 min (b) 50 min (c) 1 h (d) 40 min
  34. 34.What time was it 40 minutes before 4:25? (a) 4:45 (b) 3:55 (c) 2:45 (d) 3:45
  35. 35.A film starts at 1:00 and ends at 1:25. How long is the film? (a) 15 min (b) 35 min (c) 25 min (d) 1 h 25 min
  36. 36.What time was it 15 minutes before 6:40? (a) 7:25 (b) 5:25 (c) 6:35 (d) 6:25
  37. 37.What time will it be 50 minutes after 1:10? (a) 3:00 (b) 2:00 (c) 1:00 (d) 1:50
  38. 38.What time will it be 35 minutes after 9:50? (a) 10:15 (b) 9:25 (c) 10:25 (d) 11:25
  39. 39.What time will it be 40 minutes after 1:20? (a) 1:00 (b) 3:00 (c) 1:50 (d) 2:00
  40. 40.What time was it 40 minutes before 7:30? (a) 7:00 (b) 7:50 (c) 6:50 (d) 5:50

Answer key

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

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