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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 230 · 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 9:00? (a) 9:35 (b) 8:35 (c) 10:35 (d) 9:25
  2. 2.A film starts at 6:55 and ends at 8:25. How long is the film? (a) 30 min (b) 1 h 30 min (c) 1 h 40 min (d) 2 h 30 min
  3. 3.A film starts at 5:55 and ends at 7:15. How long is the film? (a) 2 h 20 min (b) 1 h 30 min (c) 1 h 20 min (d) 20 min
  4. 4.What time will it be 35 minutes after 9:50? (a) 11:25 (b) 10:25 (c) 9:25 (d) 10:15
  5. 5.What time was it 25 minutes before 7:35? (a) 6:10 (b) 7:20 (c) 8:10 (d) 7:10
  6. 6.What time was it 20 minutes before 9:40? (a) 9:30 (b) 8:20 (c) 9:20 (d) 10:20
  7. 7.A film starts at 6:20 and ends at 7:30. How long is the film? (a) 10 min (b) 1 h 20 min (c) 1 h 10 min (d) 2 h 10 min
  8. 8.What time will it be 45 minutes after 5:10? (a) 5:55 (b) 5:45 (c) 4:55 (d) 6:55
  9. 9.What time was it 20 minutes before 4:10? (a) 4:50 (b) 4:00 (c) 3:50 (d) 2:50
  10. 10.What time will it be 50 minutes after 8:55? (a) 10:45 (b) 9:35 (c) 9:45 (d) 8:45
  11. 11.What time will it be 35 minutes after 2:10? (a) 3:45 (b) 1:45 (c) 2:35 (d) 2:45
  12. 12.A film starts at 3:50 and ends at 4:40. How long is the film? (a) 40 min (b) 50 min (c) 1 h 50 min (d) 1 h
  13. 13.What time will it be 25 minutes after 3:05? (a) 3:30 (b) 3:20 (c) 2:30 (d) 4:30
  14. 14.What time was it 30 minutes before 2:50? (a) 1:20 (b) 2:20 (c) 2:30 (d) 3:20
  15. 15.What time will it be 50 minutes after 5:25? (a) 6:05 (b) 5:15 (c) 7:15 (d) 6:15
  16. 16.What time will it be 25 minutes after 2:00? (a) 2:15 (b) 3:25 (c) 2:25 (d) 1:25
  17. 17.A film starts at 2:30 and ends at 3:55. How long is the film? (a) 2 h 25 min (b) 1 h 25 min (c) 1 h 35 min (d) 25 min
  18. 18.A film starts at 1:20 and ends at 4:15. How long is the film? (a) 3 h 5 min (b) 1 h 55 min (c) 2 h 55 min (d) 3 h 55 min
  19. 19.What time was it 40 minutes before 10:20? (a) 9:40 (b) 8:40 (c) 9:50 (d) 10:40
  20. 20.What time was it 15 minutes before 5:15? (a) 6:00 (b) 5:10 (c) 4:00 (d) 5:00
  21. 21.What time was it 55 minutes before 11:05? (a) 11:10 (b) 10:20 (c) 10:10 (d) 9:10
  22. 22.A film starts at 2:05 and ends at 3:10. How long is the film? (a) 2 h 5 min (b) 1 h 15 min (c) 5 min (d) 1 h 5 min
  23. 23.What time will it be 50 minutes after 1:20? (a) 2:00 (b) 2:10 (c) 3:10 (d) 1:10
  24. 24.What time was it 55 minutes before 8:30? (a) 7:45 (b) 8:35 (c) 7:35 (d) 6:35
  25. 25.What time will it be 50 minutes after 8:20? (a) 9:00 (b) 10:10 (c) 8:10 (d) 9:10
  26. 26.What time was it 20 minutes before 2:35? (a) 3:15 (b) 1:15 (c) 2:15 (d) 2:25
  27. 27.A film starts at 4:30 and ends at 5:15. How long is the film? (a) 55 min (b) 35 min (c) 45 min (d) 1 h 45 min
  28. 28.A film starts at 5:15 and ends at 8:00. How long is the film? (a) 1 h 45 min (b) 3 h 45 min (c) 2 h 55 min (d) 2 h 45 min
  29. 29.What time was it 20 minutes before 11:40? (a) 11:30 (b) 10:20 (c) 11:20 (d) 12:20
  30. 30.A film starts at 6:15 and ends at 8:40. How long is the film? (a) 2 h 25 min (b) 3 h 25 min (c) 1 h 25 min (d) 2 h 35 min
  31. 31.What time will it be 15 minutes after 1:15? (a) 1:40 (b) 2:30 (c) 1:20 (d) 1:30
  32. 32.What time was it 45 minutes before 8:40? (a) 7:55 (b) 8:55 (c) 8:05 (d) 6:55
  33. 33.What time was it 25 minutes before 7:45? (a) 6:20 (b) 7:30 (c) 7:20 (d) 8:20
  34. 34.A film starts at 1:20 and ends at 3:50. How long is the film? (a) 3 h 30 min (b) 1 h 30 min (c) 2 h 40 min (d) 2 h 30 min
  35. 35.What time will it be 55 minutes after 2:20? (a) 3:15 (b) 3:05 (c) 2:15 (d) 4:15
  36. 36.A film starts at 3:00 and ends at 3:20. How long is the film? (a) 1 h 20 min (b) 20 min (c) 30 min (d) 10 min
  37. 37.What time was it 15 minutes before 8:55? (a) 7:40 (b) 9:40 (c) 8:50 (d) 8:40
  38. 38.A film starts at 2:45 and ends at 4:55. How long is the film? (a) 2 h 20 min (b) 2 h 10 min (c) 1 h 10 min (d) 3 h 10 min
  39. 39.What time was it 50 minutes before 9:00? (a) 7:10 (b) 9:10 (c) 8:10 (d) 8:20
  40. 40.What time will it be 35 minutes after 8:40? (a) 8:15 (b) 10:15 (c) 9:15 (d) 9:05

Answer key

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

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