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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 933 · 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 20 minutes before 10:45? (a) 10:25 (b) 10:35 (c) 11:25 (d) 9:25
  2. 2.A film starts at 2:50 and ends at 5:10. How long is the film? (a) 3 h 20 min (b) 2 h 20 min (c) 2 h 30 min (d) 1 h 20 min
  3. 3.A film starts at 8:55 and ends at 9:45. How long is the film? (a) 40 min (b) 1 h (c) 50 min (d) 1 h 50 min
  4. 4.What time was it 15 minutes before 8:55? (a) 9:40 (b) 7:40 (c) 8:50 (d) 8:40
  5. 5.A film starts at 8:15 and ends at 9:00. How long is the film? (a) 45 min (b) 1 h 45 min (c) 35 min (d) 55 min
  6. 6.What time was it 50 minutes before 2:15? (a) 1:25 (b) 1:35 (c) 1:15 (d) 2:25
  7. 7.A film starts at 3:30 and ends at 4:00. How long is the film? (a) 20 min (b) 30 min (c) 1 h 30 min (d) 40 min
  8. 8.What time was it 55 minutes before 9:25? (a) 8:40 (b) 7:30 (c) 9:30 (d) 8:30
  9. 9.A film starts at 5:50 and ends at 6:40. How long is the film? (a) 40 min (b) 1 h (c) 50 min (d) 1 h 50 min
  10. 10.What time will it be 45 minutes after 4:25? (a) 6:10 (b) 5:00 (c) 5:10 (d) 4:10
  11. 11.A film starts at 7:45 and ends at 8:05. How long is the film? (a) 20 min (b) 1 h 20 min (c) 10 min (d) 30 min
  12. 12.What time will it be 25 minutes after 7:10? (a) 6:35 (b) 7:25 (c) 8:35 (d) 7:35
  13. 13.A film starts at 7:50 and ends at 8:40. How long is the film? (a) 50 min (b) 1 h (c) 40 min (d) 1 h 50 min
  14. 14.What time will it be 15 minutes after 1:10? (a) 1:25 (b) 2:25 (c) 1:15 (d) 1:35
  15. 15.What time was it 45 minutes before 11:40? (a) 11:55 (b) 10:55 (c) 9:55 (d) 11:05
  16. 16.A film starts at 2:25 and ends at 4:40. How long is the film? (a) 3 h 15 min (b) 2 h 25 min (c) 1 h 15 min (d) 2 h 15 min
  17. 17.A film starts at 7:00 and ends at 8:00. How long is the film? (a) 2 h (b) 1 h 10 min (c) 1 h (d) 50 min
  18. 18.What time was it 25 minutes before 9:00? (a) 9:35 (b) 7:35 (c) 8:35 (d) 8:45
  19. 19.What time will it be 45 minutes after 6:40? (a) 8:25 (b) 6:25 (c) 7:15 (d) 7:25
  20. 20.What time will it be 15 minutes after 4:20? (a) 5:35 (b) 4:25 (c) 3:35 (d) 4:35
  21. 21.What time will it be 25 minutes after 2:15? (a) 3:40 (b) 2:40 (c) 2:30 (d) 1:40
  22. 22.What time will it be 25 minutes after 7:20? (a) 7:35 (b) 8:45 (c) 6:45 (d) 7:45
  23. 23.A film starts at 4:55 and ends at 7:10. How long is the film? (a) 3 h 15 min (b) 2 h 15 min (c) 2 h 25 min (d) 1 h 15 min
  24. 24.What time will it be 20 minutes after 7:00? (a) 6:20 (b) 7:10 (c) 8:20 (d) 7:20
  25. 25.What time was it 50 minutes before 11:55? (a) 12:05 (b) 10:05 (c) 11:05 (d) 11:15
  26. 26.What time was it 50 minutes before 3:10? (a) 3:20 (b) 2:20 (c) 1:20 (d) 2:30
  27. 27.What time will it be 15 minutes after 2:05? (a) 1:20 (b) 3:20 (c) 2:20 (d) 2:10
  28. 28.What time was it 15 minutes before 11:55? (a) 10:40 (b) 12:40 (c) 11:50 (d) 11:40
  29. 29.What time will it be 35 minutes after 9:35? (a) 11:10 (b) 10:00 (c) 9:10 (d) 10:10
  30. 30.A film starts at 6:10 and ends at 8:40. How long is the film? (a) 2 h 30 min (b) 2 h 40 min (c) 1 h 30 min (d) 3 h 30 min
  31. 31.A film starts at 2:50 and ends at 4:05. How long is the film? (a) 1 h 15 min (b) 15 min (c) 2 h 15 min (d) 1 h 25 min
  32. 32.What time was it 50 minutes before 4:55? (a) 4:05 (b) 5:05 (c) 3:05 (d) 4:15
  33. 33.What time will it be 35 minutes after 7:15? (a) 6:50 (b) 8:50 (c) 7:50 (d) 7:40
  34. 34.What time will it be 55 minutes after 1:10? (a) 2:05 (b) 3:05 (c) 1:05 (d) 1:55
  35. 35.A film starts at 5:15 and ends at 6:55. How long is the film? (a) 2 h 40 min (b) 40 min (c) 1 h 40 min (d) 1 h 50 min
  36. 36.A film starts at 3:25 and ends at 3:55. How long is the film? (a) 20 min (b) 40 min (c) 30 min (d) 1 h 30 min
  37. 37.What time will it be 40 minutes after 3:35? (a) 4:15 (b) 4:05 (c) 3:15 (d) 5:15
  38. 38.What time was it 20 minutes before 3:00? (a) 2:40 (b) 1:40 (c) 3:40 (d) 2:50
  39. 39.What time was it 45 minutes before 4:10? (a) 2:25 (b) 3:35 (c) 4:25 (d) 3:25
  40. 40.What time will it be 15 minutes after 7:50? (a) 7:05 (b) 9:05 (c) 8:05 (d) 7:55

Answer key

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

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