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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 568 · 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 55 minutes before 11:30? (a) 9:35 (b) 11:35 (c) 10:45 (d) 10:35
  2. 2.What time will it be 25 minutes after 5:45? (a) 7:10 (b) 6:00 (c) 5:10 (d) 6:10
  3. 3.What time was it 20 minutes before 10:45? (a) 11:25 (b) 10:25 (c) 9:25 (d) 10:35
  4. 4.What time will it be 35 minutes after 7:20? (a) 7:45 (b) 6:55 (c) 7:55 (d) 8:55
  5. 5.What time was it 45 minutes before 2:15? (a) 1:20 (b) 1:30 (c) 2:30 (d) 1:40
  6. 6.What time will it be 15 minutes after 6:10? (a) 7:25 (b) 5:25 (c) 6:25 (d) 6:15
  7. 7.What time will it be 30 minutes after 4:35? (a) 5:05 (b) 4:55 (c) 4:05 (d) 6:05
  8. 8.What time will it be 35 minutes after 2:15? (a) 2:40 (b) 3:50 (c) 2:50 (d) 1:50
  9. 9.What time will it be 30 minutes after 2:55? (a) 2:25 (b) 4:25 (c) 3:15 (d) 3:25
  10. 10.A film starts at 8:00 and ends at 9:25. How long is the film? (a) 1 h 35 min (b) 25 min (c) 1 h 25 min (d) 2 h 25 min
  11. 11.What time was it 25 minutes before 4:35? (a) 4:20 (b) 5:10 (c) 3:10 (d) 4:10
  12. 12.What time will it be 20 minutes after 9:10? (a) 8:30 (b) 10:30 (c) 9:20 (d) 9:30
  13. 13.A film starts at 7:00 and ends at 7:40. How long is the film? (a) 30 min (b) 50 min (c) 40 min (d) 1 h 40 min
  14. 14.A film starts at 4:05 and ends at 5:00. How long is the film? (a) 1 h 5 min (b) 55 min (c) 1 h 55 min (d) 45 min
  15. 15.A film starts at 6:55 and ends at 9:40. How long is the film? (a) 1 h 45 min (b) 2 h 55 min (c) 3 h 45 min (d) 2 h 45 min
  16. 16.What time will it be 20 minutes after 2:00? (a) 3:20 (b) 1:20 (c) 2:10 (d) 2:20
  17. 17.What time was it 40 minutes before 7:30? (a) 7:50 (b) 5:50 (c) 7:00 (d) 6:50
  18. 18.What time will it be 15 minutes after 7:25? (a) 8:40 (b) 7:30 (c) 7:40 (d) 6:40
  19. 19.What time will it be 55 minutes after 7:10? (a) 7:55 (b) 9:05 (c) 8:05 (d) 7:05
  20. 20.What time will it be 15 minutes after 5:00? (a) 6:15 (b) 5:05 (c) 5:15 (d) 4:15
  21. 21.What time was it 25 minutes before 6:00? (a) 4:35 (b) 6:35 (c) 5:35 (d) 5:45
  22. 22.A film starts at 6:05 and ends at 8:35. How long is the film? (a) 2 h 30 min (b) 1 h 30 min (c) 3 h 30 min (d) 2 h 40 min
  23. 23.What time will it be 25 minutes after 10:50? (a) 11:05 (b) 11:15 (c) 12:15 (d) 10:15
  24. 24.A film starts at 5:55 and ends at 7:40. How long is the film? (a) 1 h 45 min (b) 45 min (c) 1 h 55 min (d) 2 h 45 min
  25. 25.What time was it 40 minutes before 11:50? (a) 10:10 (b) 11:20 (c) 11:10 (d) 12:10
  26. 26.What time will it be 20 minutes after 4:00? (a) 5:20 (b) 4:10 (c) 4:20 (d) 3:20
  27. 27.What time will it be 25 minutes after 4:05? (a) 5:30 (b) 3:30 (c) 4:20 (d) 4:30
  28. 28.What time was it 55 minutes before 7:35? (a) 7:40 (b) 5:40 (c) 6:50 (d) 6:40
  29. 29.What time will it be 15 minutes after 9:40? (a) 9:55 (b) 9:45 (c) 8:55 (d) 10:55
  30. 30.A film starts at 4:05 and ends at 5:35. How long is the film? (a) 1 h 40 min (b) 2 h 30 min (c) 1 h 30 min (d) 30 min
  31. 31.What time will it be 25 minutes after 7:45? (a) 9:10 (b) 8:00 (c) 8:10 (d) 7:10
  32. 32.What time will it be 35 minutes after 7:35? (a) 9:10 (b) 7:10 (c) 8:00 (d) 8:10
  33. 33.A film starts at 2:20 and ends at 5:15. How long is the film? (a) 3 h 5 min (b) 2 h 55 min (c) 1 h 55 min (d) 3 h 55 min
  34. 34.What time will it be 15 minutes after 4:05? (a) 3:20 (b) 4:10 (c) 4:20 (d) 5:20
  35. 35.A film starts at 7:10 and ends at 8:50. How long is the film? (a) 2 h 40 min (b) 1 h 50 min (c) 1 h 40 min (d) 40 min
  36. 36.What time was it 20 minutes before 11:55? (a) 12:35 (b) 11:45 (c) 11:35 (d) 10:35
  37. 37.What time was it 40 minutes before 5:00? (a) 5:20 (b) 3:20 (c) 4:20 (d) 4:30
  38. 38.A film starts at 1:45 and ends at 2:45. How long is the film? (a) 1 h (b) 2 h (c) 50 min (d) 1 h 10 min
  39. 39.What time will it be 35 minutes after 4:30? (a) 6:05 (b) 4:05 (c) 5:05 (d) 4:55
  40. 40.What time will it be 25 minutes after 2:50? (a) 2:15 (b) 4:15 (c) 3:05 (d) 3:15

Answer key

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

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