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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 911 · 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 25 minutes before 8:30? (a) 9:05 (b) 8:15 (c) 7:05 (d) 8:05
  2. 2.What time was it 15 minutes before 6:05? (a) 6:50 (b) 5:50 (c) 4:50 (d) 6:00
  3. 3.What time was it 40 minutes before 8:50? (a) 9:10 (b) 7:10 (c) 8:10 (d) 8:20
  4. 4.What time was it 35 minutes before 9:55? (a) 10:20 (b) 9:30 (c) 9:20 (d) 8:20
  5. 5.A film starts at 4:55 and ends at 5:40. How long is the film? (a) 1 h 45 min (b) 55 min (c) 35 min (d) 45 min
  6. 6.A film starts at 4:20 and ends at 5:45. How long is the film? (a) 1 h 35 min (b) 25 min (c) 1 h 25 min (d) 2 h 25 min
  7. 7.What time will it be 15 minutes after 2:45? (a) 4:00 (b) 2:50 (c) 3:00 (d) 2:00
  8. 8.A film starts at 1:10 and ends at 1:35. How long is the film? (a) 35 min (b) 25 min (c) 15 min (d) 1 h 25 min
  9. 9.What time was it 15 minutes before 4:45? (a) 4:40 (b) 4:30 (c) 3:30 (d) 5:30
  10. 10.What time was it 30 minutes before 10:00? (a) 10:30 (b) 8:30 (c) 9:40 (d) 9:30
  11. 11.What time was it 30 minutes before 8:00? (a) 8:30 (b) 7:40 (c) 7:30 (d) 6:30
  12. 12.What time will it be 20 minutes after 5:45? (a) 5:55 (b) 6:05 (c) 5:05 (d) 7:05
  13. 13.What time will it be 35 minutes after 7:35? (a) 8:00 (b) 8:10 (c) 7:10 (d) 9:10
  14. 14.What time was it 20 minutes before 4:30? (a) 4:10 (b) 3:10 (c) 5:10 (d) 4:20
  15. 15.What time will it be 20 minutes after 4:40? (a) 4:00 (b) 6:00 (c) 5:00 (d) 4:50
  16. 16.What time will it be 55 minutes after 4:35? (a) 5:30 (b) 6:30 (c) 4:30 (d) 5:20
  17. 17.What time was it 30 minutes before 3:40? (a) 4:10 (b) 2:10 (c) 3:10 (d) 3:20
  18. 18.What time will it be 20 minutes after 2:10? (a) 1:30 (b) 2:20 (c) 3:30 (d) 2:30
  19. 19.A film starts at 6:40 and ends at 9:20. How long is the film? (a) 1 h 40 min (b) 3 h 40 min (c) 2 h 50 min (d) 2 h 40 min
  20. 20.What time will it be 20 minutes after 8:25? (a) 7:45 (b) 8:45 (c) 8:35 (d) 9:45
  21. 21.What time will it be 40 minutes after 1:50? (a) 3:30 (b) 2:20 (c) 2:30 (d) 1:30
  22. 22.What time will it be 15 minutes after 8:30? (a) 9:45 (b) 7:45 (c) 8:35 (d) 8:45
  23. 23.What time was it 20 minutes before 7:00? (a) 7:40 (b) 6:40 (c) 5:40 (d) 6:50
  24. 24.What time was it 35 minutes before 7:00? (a) 7:25 (b) 6:25 (c) 6:35 (d) 5:25
  25. 25.A film starts at 8:40 and ends at 10:45. How long is the film? (a) 1 h 5 min (b) 2 h 5 min (c) 2 h 15 min (d) 3 h 5 min
  26. 26.A film starts at 7:10 and ends at 9:55. How long is the film? (a) 1 h 45 min (b) 2 h 55 min (c) 2 h 45 min (d) 3 h 45 min
  27. 27.A film starts at 8:30 and ends at 10:30. How long is the film? (a) 2 h 10 min (b) 3 h (c) 2 h (d) 1 h
  28. 28.What time will it be 25 minutes after 1:10? (a) 2:35 (b) 1:25 (c) 1:45 (d) 1:35
  29. 29.What time will it be 55 minutes after 2:50? (a) 4:45 (b) 2:45 (c) 3:35 (d) 3:45
  30. 30.What time will it be 20 minutes after 3:00? (a) 4:20 (b) 3:20 (c) 3:10 (d) 2:20
  31. 31.A film starts at 7:50 and ends at 9:40. How long is the film? (a) 1 h 50 min (b) 2 h (c) 50 min (d) 2 h 50 min
  32. 32.What time was it 40 minutes before 6:15? (a) 5:45 (b) 4:35 (c) 6:35 (d) 5:35
  33. 33.What time was it 15 minutes before 6:35? (a) 6:20 (b) 5:20 (c) 6:30 (d) 7:20
  34. 34.What time was it 40 minutes before 6:55? (a) 6:25 (b) 6:15 (c) 7:15 (d) 5:15
  35. 35.What time will it be 40 minutes after 8:20? (a) 8:50 (b) 9:00 (c) 8:00 (d) 10:00
  36. 36.What time was it 35 minutes before 8:10? (a) 7:45 (b) 8:35 (c) 7:35 (d) 6:35
  37. 37.A film starts at 7:35 and ends at 8:10. How long is the film? (a) 45 min (b) 35 min (c) 25 min (d) 1 h 35 min
  38. 38.A film starts at 1:10 and ends at 4:00. How long is the film? (a) 3 h (b) 3 h 50 min (c) 2 h 50 min (d) 1 h 50 min
  39. 39.What time was it 20 minutes before 8:20? (a) 7:00 (b) 8:10 (c) 9:00 (d) 8:00
  40. 40.What time was it 30 minutes before 7:55? (a) 7:35 (b) 6:25 (c) 7:25 (d) 8:25

Answer key

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

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