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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 505 · 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 will it be 35 minutes after 1:15? (a) 2:50 (b) 1:50 (c) 2:00 (d) 1:40
  2. 2.What time will it be 35 minutes after 5:25? (a) 7:00 (b) 5:00 (c) 5:50 (d) 6:00
  3. 3.What time will it be 55 minutes after 5:10? (a) 5:05 (b) 5:55 (c) 6:05 (d) 7:05
  4. 4.What time will it be 20 minutes after 3:20? (a) 3:40 (b) 3:30 (c) 2:40 (d) 4:40
  5. 5.What time was it 55 minutes before 8:25? (a) 6:30 (b) 7:30 (c) 7:40 (d) 8:30
  6. 6.What time was it 50 minutes before 4:25? (a) 2:35 (b) 3:35 (c) 3:45 (d) 4:35
  7. 7.What time will it be 45 minutes after 4:40? (a) 4:25 (b) 5:15 (c) 6:25 (d) 5:25
  8. 8.A film starts at 1:55 and ends at 3:55. How long is the film? (a) 2 h 10 min (b) 3 h (c) 1 h (d) 2 h
  9. 9.What time was it 40 minutes before 9:55? (a) 10:15 (b) 8:15 (c) 9:25 (d) 9:15
  10. 10.A film starts at 2:15 and ends at 3:50. How long is the film? (a) 1 h 35 min (b) 1 h 45 min (c) 2 h 35 min (d) 35 min
  11. 11.What time was it 30 minutes before 5:30? (a) 6:00 (b) 4:00 (c) 5:10 (d) 5:00
  12. 12.What time was it 20 minutes before 6:20? (a) 6:00 (b) 6:10 (c) 7:00 (d) 5:00
  13. 13.What time will it be 20 minutes after 2:45? (a) 4:05 (b) 3:05 (c) 2:05 (d) 2:55
  14. 14.What time will it be 35 minutes after 3:30? (a) 3:05 (b) 4:05 (c) 3:55 (d) 5:05
  15. 15.A film starts at 8:05 and ends at 9:35. How long is the film? (a) 30 min (b) 1 h 30 min (c) 1 h 40 min (d) 2 h 30 min
  16. 16.A film starts at 2:35 and ends at 4:10. How long is the film? (a) 1 h 45 min (b) 2 h 35 min (c) 35 min (d) 1 h 35 min
  17. 17.What time will it be 50 minutes after 9:35? (a) 10:15 (b) 11:25 (c) 10:25 (d) 9:25
  18. 18.What time was it 25 minutes before 3:25? (a) 3:00 (b) 3:10 (c) 4:00 (d) 2:00
  19. 19.A film starts at 1:05 and ends at 1:55. How long is the film? (a) 1 h 50 min (b) 1 h (c) 40 min (d) 50 min
  20. 20.A film starts at 1:25 and ends at 3:50. How long is the film? (a) 2 h 35 min (b) 2 h 25 min (c) 1 h 25 min (d) 3 h 25 min
  21. 21.What time was it 15 minutes before 8:15? (a) 9:00 (b) 8:10 (c) 7:00 (d) 8:00
  22. 22.What time will it be 30 minutes after 2:20? (a) 3:50 (b) 2:40 (c) 1:50 (d) 2:50
  23. 23.What time will it be 30 minutes after 2:30? (a) 4:00 (b) 3:00 (c) 2:00 (d) 2:50
  24. 24.What time was it 50 minutes before 9:30? (a) 9:40 (b) 7:40 (c) 8:50 (d) 8:40
  25. 25.What time was it 40 minutes before 8:20? (a) 8:40 (b) 7:40 (c) 7:50 (d) 6:40
  26. 26.What time was it 45 minutes before 9:30? (a) 8:55 (b) 7:45 (c) 8:45 (d) 9:45
  27. 27.What time will it be 15 minutes after 5:55? (a) 6:10 (b) 7:10 (c) 5:10 (d) 6:00
  28. 28.What time will it be 55 minutes after 8:00? (a) 8:55 (b) 7:55 (c) 8:45 (d) 9:55
  29. 29.What time was it 55 minutes before 2:25? (a) 1:40 (b) 2:30 (c) 1:30 (d) 1:20
  30. 30.What time will it be 50 minutes after 3:25? (a) 3:15 (b) 4:15 (c) 5:15 (d) 4:05
  31. 31.What time was it 15 minutes before 3:45? (a) 3:30 (b) 2:30 (c) 4:30 (d) 3:40
  32. 32.What time will it be 30 minutes after 9:35? (a) 11:05 (b) 10:05 (c) 9:55 (d) 9:05
  33. 33.What time was it 45 minutes before 6:40? (a) 4:55 (b) 5:55 (c) 6:55 (d) 6:05
  34. 34.A film starts at 7:05 and ends at 7:50. How long is the film? (a) 55 min (b) 45 min (c) 35 min (d) 1 h 45 min
  35. 35.A film starts at 6:40 and ends at 7:20. How long is the film? (a) 40 min (b) 30 min (c) 1 h 40 min (d) 50 min
  36. 36.A film starts at 2:25 and ends at 4:05. How long is the film? (a) 1 h 40 min (b) 40 min (c) 1 h 50 min (d) 2 h 40 min
  37. 37.What time was it 55 minutes before 9:10? (a) 9:15 (b) 8:25 (c) 8:15 (d) 7:15
  38. 38.What time will it be 25 minutes after 1:10? (a) 2:35 (b) 1:35 (c) 1:45 (d) 1:25
  39. 39.What time was it 15 minutes before 10:55? (a) 10:40 (b) 11:40 (c) 10:50 (d) 9:40
  40. 40.What time will it be 50 minutes after 3:10? (a) 3:50 (b) 5:00 (c) 3:00 (d) 4:00

Answer key

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

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