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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 431 · 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 45 minutes before 7:30? (a) 6:45 (b) 6:55 (c) 5:45 (d) 7:45
  2. 2.What time will it be 30 minutes after 9:05? (a) 9:35 (b) 9:25 (c) 10:35 (d) 8:35
  3. 3.What time will it be 20 minutes after 2:10? (a) 2:30 (b) 3:30 (c) 1:30 (d) 2:20
  4. 4.What time will it be 50 minutes after 7:50? (a) 9:40 (b) 8:40 (c) 7:40 (d) 8:30
  5. 5.A film starts at 3:55 and ends at 5:55. How long is the film? (a) 1 h (b) 2 h 10 min (c) 2 h (d) 3 h
  6. 6.A film starts at 1:00 and ends at 3:40. How long is the film? (a) 3 h 40 min (b) 2 h 40 min (c) 2 h 50 min (d) 1 h 40 min
  7. 7.What time will it be 20 minutes after 6:25? (a) 7:45 (b) 5:45 (c) 6:35 (d) 6:45
  8. 8.What time was it 35 minutes before 4:20? (a) 2:45 (b) 3:55 (c) 4:45 (d) 3:45
  9. 9.A film starts at 5:10 and ends at 7:00. How long is the film? (a) 2 h (b) 1 h 50 min (c) 2 h 50 min (d) 50 min
  10. 10.What time was it 50 minutes before 9:05? (a) 9:15 (b) 8:25 (c) 8:15 (d) 7:15
  11. 11.A film starts at 2:05 and ends at 4:25. How long is the film? (a) 1 h 20 min (b) 2 h 30 min (c) 3 h 20 min (d) 2 h 20 min
  12. 12.What time was it 15 minutes before 8:00? (a) 6:45 (b) 7:55 (c) 7:45 (d) 8:45
  13. 13.What time will it be 45 minutes after 8:00? (a) 9:45 (b) 8:45 (c) 7:45 (d) 8:35
  14. 14.What time was it 55 minutes before 9:00? (a) 7:05 (b) 8:15 (c) 8:05 (d) 9:05
  15. 15.What time will it be 50 minutes after 8:55? (a) 9:35 (b) 8:45 (c) 10:45 (d) 9:45
  16. 16.What time was it 15 minutes before 2:15? (a) 2:10 (b) 1:00 (c) 3:00 (d) 2:00
  17. 17.What time will it be 15 minutes after 7:00? (a) 6:15 (b) 8:15 (c) 7:05 (d) 7:15
  18. 18.What time will it be 20 minutes after 6:45? (a) 8:05 (b) 7:05 (c) 6:05 (d) 6:55
  19. 19.What time was it 15 minutes before 11:35? (a) 11:30 (b) 10:20 (c) 11:20 (d) 12:20
  20. 20.What time will it be 20 minutes after 10:30? (a) 11:50 (b) 10:40 (c) 10:50 (d) 9:50
  21. 21.What time was it 45 minutes before 6:10? (a) 5:35 (b) 4:25 (c) 6:25 (d) 5:25
  22. 22.What time will it be 55 minutes after 3:00? (a) 4:55 (b) 2:55 (c) 3:45 (d) 3:55
  23. 23.A film starts at 6:00 and ends at 6:20. How long is the film? (a) 30 min (b) 10 min (c) 1 h 20 min (d) 20 min
  24. 24.What time will it be 55 minutes after 9:55? (a) 10:40 (b) 9:50 (c) 11:50 (d) 10:50
  25. 25.A film starts at 7:10 and ends at 8:30. How long is the film? (a) 1 h 30 min (b) 2 h 20 min (c) 1 h 20 min (d) 20 min
  26. 26.What time was it 35 minutes before 9:10? (a) 8:45 (b) 7:35 (c) 9:35 (d) 8:35
  27. 27.What time will it be 55 minutes after 8:15? (a) 9:10 (b) 8:10 (c) 10:10 (d) 9:00
  28. 28.What time will it be 40 minutes after 1:20? (a) 1:00 (b) 3:00 (c) 1:50 (d) 2:00
  29. 29.What time will it be 35 minutes after 4:00? (a) 4:25 (b) 4:35 (c) 5:35 (d) 3:35
  30. 30.A film starts at 3:35 and ends at 4:45. How long is the film? (a) 10 min (b) 1 h 20 min (c) 2 h 10 min (d) 1 h 10 min
  31. 31.What time was it 15 minutes before 6:20? (a) 6:15 (b) 5:05 (c) 6:05 (d) 7:05
  32. 32.What time was it 55 minutes before 5:10? (a) 3:15 (b) 5:15 (c) 4:25 (d) 4:15
  33. 33.What time was it 55 minutes before 6:00? (a) 5:15 (b) 6:05 (c) 5:05 (d) 4:05
  34. 34.What time was it 35 minutes before 3:50? (a) 3:15 (b) 4:15 (c) 3:25 (d) 2:15
  35. 35.A film starts at 8:00 and ends at 9:35. How long is the film? (a) 35 min (b) 1 h 45 min (c) 2 h 35 min (d) 1 h 35 min
  36. 36.What time was it 15 minutes before 4:20? (a) 3:05 (b) 4:15 (c) 4:05 (d) 5:05
  37. 37.What time will it be 55 minutes after 4:25? (a) 6:20 (b) 5:20 (c) 4:20 (d) 5:10
  38. 38.What time will it be 20 minutes after 3:40? (a) 3:50 (b) 3:00 (c) 4:00 (d) 5:00
  39. 39.What time will it be 25 minutes after 10:50? (a) 11:05 (b) 10:15 (c) 12:15 (d) 11:15
  40. 40.What time was it 55 minutes before 3:15? (a) 2:20 (b) 3:20 (c) 2:30 (d) 1:20

Answer key

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

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