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Time and Clock Worksheet for Maths Olympiad

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

Answer key

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

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