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Time and Clock Worksheet for Maths Olympiad

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

Answer key

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

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