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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 827 · 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.A film starts at 6:05 and ends at 6:25. How long is the film? (a) 10 min (b) 1 h 20 min (c) 20 min (d) 30 min
  2. 2.What time was it 35 minutes before 2:30? (a) 2:55 (b) 2:05 (c) 1:45 (d) 1:55
  3. 3.What time was it 45 minutes before 10:30? (a) 9:55 (b) 9:45 (c) 10:45 (d) 8:45
  4. 4.What time will it be 25 minutes after 1:35? (a) 1:50 (b) 2:00 (c) 3:00 (d) 1:00
  5. 5.What time was it 40 minutes before 3:05? (a) 2:35 (b) 2:25 (c) 3:25 (d) 1:25
  6. 6.What time was it 50 minutes before 9:25? (a) 7:35 (b) 8:45 (c) 9:35 (d) 8:35
  7. 7.What time will it be 35 minutes after 7:55? (a) 9:30 (b) 7:30 (c) 8:20 (d) 8:30
  8. 8.What time will it be 50 minutes after 3:10? (a) 3:50 (b) 4:00 (c) 5:00 (d) 3:00
  9. 9.What time was it 35 minutes before 10:00? (a) 10:25 (b) 9:35 (c) 9:25 (d) 8:25
  10. 10.What time was it 55 minutes before 6:30? (a) 5:35 (b) 6:35 (c) 5:45 (d) 4:35
  11. 11.What time will it be 30 minutes after 1:20? (a) 1:40 (b) 2:00 (c) 1:50 (d) 2:50
  12. 12.What time was it 30 minutes before 11:20? (a) 10:50 (b) 11:00 (c) 9:50 (d) 11:50
  13. 13.A film starts at 4:45 and ends at 5:25. How long is the film? (a) 30 min (b) 40 min (c) 50 min (d) 1 h 40 min
  14. 14.A film starts at 2:05 and ends at 3:40. How long is the film? (a) 2 h 35 min (b) 35 min (c) 1 h 45 min (d) 1 h 35 min
  15. 15.A film starts at 3:55 and ends at 5:20. How long is the film? (a) 25 min (b) 2 h 25 min (c) 1 h 35 min (d) 1 h 25 min
  16. 16.What time was it 25 minutes before 7:00? (a) 7:35 (b) 6:35 (c) 5:35 (d) 6:45
  17. 17.What time was it 35 minutes before 2:10? (a) 1:45 (b) 1:25 (c) 1:35 (d) 2:35
  18. 18.What time will it be 30 minutes after 2:30? (a) 2:00 (b) 4:00 (c) 2:50 (d) 3:00
  19. 19.What time will it be 25 minutes after 2:40? (a) 2:55 (b) 2:05 (c) 3:05 (d) 4:05
  20. 20.What time was it 30 minutes before 4:40? (a) 4:20 (b) 3:10 (c) 5:10 (d) 4:10
  21. 21.What time will it be 30 minutes after 9:30? (a) 9:50 (b) 10:00 (c) 11:00 (d) 9:00
  22. 22.What time will it be 35 minutes after 5:15? (a) 6:50 (b) 5:50 (c) 5:40 (d) 4:50
  23. 23.A film starts at 2:35 and ends at 5:30. How long is the film? (a) 3 h 55 min (b) 3 h 5 min (c) 2 h 55 min (d) 1 h 55 min
  24. 24.What time will it be 45 minutes after 9:05? (a) 9:50 (b) 10:50 (c) 8:50 (d) 9:40
  25. 25.What time was it 55 minutes before 6:55? (a) 6:10 (b) 5:00 (c) 6:00 (d) 7:00
  26. 26.What time will it be 40 minutes after 6:40? (a) 7:20 (b) 6:20 (c) 7:10 (d) 8:20
  27. 27.What time was it 40 minutes before 7:15? (a) 5:35 (b) 6:35 (c) 7:35 (d) 6:45
  28. 28.What time was it 30 minutes before 8:55? (a) 8:35 (b) 8:25 (c) 9:25 (d) 7:25
  29. 29.A film starts at 2:20 and ends at 4:55. How long is the film? (a) 3 h 35 min (b) 2 h 45 min (c) 1 h 35 min (d) 2 h 35 min
  30. 30.What time was it 50 minutes before 7:00? (a) 6:10 (b) 5:10 (c) 7:10 (d) 6:20
  31. 31.A film starts at 3:55 and ends at 4:45. How long is the film? (a) 1 h 50 min (b) 1 h (c) 50 min (d) 40 min
  32. 32.What time was it 50 minutes before 3:05? (a) 3:15 (b) 2:15 (c) 1:15 (d) 2:25
  33. 33.What time was it 15 minutes before 9:15? (a) 9:00 (b) 10:00 (c) 9:10 (d) 8:00
  34. 34.A film starts at 5:20 and ends at 6:20. How long is the film? (a) 1 h 10 min (b) 50 min (c) 1 h (d) 2 h
  35. 35.What time will it be 40 minutes after 8:30? (a) 10:10 (b) 8:10 (c) 9:00 (d) 9:10
  36. 36.What time will it be 45 minutes after 2:25? (a) 2:10 (b) 3:10 (c) 3:00 (d) 4:10
  37. 37.What time will it be 25 minutes after 5:20? (a) 4:45 (b) 6:45 (c) 5:45 (d) 5:35
  38. 38.What time will it be 45 minutes after 7:55? (a) 8:40 (b) 7:40 (c) 8:30 (d) 9:40
  39. 39.What time will it be 40 minutes after 8:15? (a) 8:45 (b) 7:55 (c) 9:55 (d) 8:55
  40. 40.What time will it be 15 minutes after 1:40? (a) 1:55 (b) 2:05 (c) 2:55 (d) 1:45

Answer key

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

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