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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 877 · 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 40 minutes before 8:50? (a) 8:10 (b) 9:10 (c) 7:10 (d) 8:20
  2. 2.What time will it be 15 minutes after 7:05? (a) 6:20 (b) 8:20 (c) 7:20 (d) 7:10
  3. 3.What time was it 35 minutes before 3:00? (a) 2:35 (b) 1:25 (c) 2:25 (d) 3:25
  4. 4.What time was it 50 minutes before 3:35? (a) 2:45 (b) 3:45 (c) 1:45 (d) 2:55
  5. 5.A film starts at 7:10 and ends at 7:45. How long is the film? (a) 25 min (b) 35 min (c) 1 h 35 min (d) 45 min
  6. 6.What time will it be 30 minutes after 7:45? (a) 8:05 (b) 9:15 (c) 7:15 (d) 8:15
  7. 7.What time was it 50 minutes before 5:20? (a) 5:30 (b) 4:30 (c) 3:30 (d) 4:40
  8. 8.A film starts at 3:35 and ends at 3:55. How long is the film? (a) 30 min (b) 1 h 20 min (c) 10 min (d) 20 min
  9. 9.What time will it be 20 minutes after 1:45? (a) 1:55 (b) 1:05 (c) 2:05 (d) 3:05
  10. 10.What time will it be 50 minutes after 6:05? (a) 6:45 (b) 5:55 (c) 7:55 (d) 6:55
  11. 11.What time will it be 20 minutes after 4:35? (a) 5:55 (b) 3:55 (c) 4:55 (d) 4:45
  12. 12.What time was it 30 minutes before 9:05? (a) 8:45 (b) 9:35 (c) 7:35 (d) 8:35
  13. 13.What time was it 45 minutes before 3:15? (a) 1:30 (b) 2:40 (c) 2:30 (d) 3:30
  14. 14.What time will it be 40 minutes after 10:05? (a) 10:45 (b) 11:45 (c) 10:35 (d) 9:45
  15. 15.A film starts at 4:55 and ends at 7:55. How long is the film? (a) 4 h (b) 3 h (c) 2 h (d) 3 h 10 min
  16. 16.What time will it be 25 minutes after 10:50? (a) 10:15 (b) 11:15 (c) 11:05 (d) 12:15
  17. 17.What time will it be 40 minutes after 1:50? (a) 2:20 (b) 2:30 (c) 1:30 (d) 3:30
  18. 18.What time will it be 40 minutes after 4:50? (a) 4:30 (b) 5:20 (c) 5:30 (d) 6:30
  19. 19.What time will it be 45 minutes after 6:25? (a) 7:00 (b) 8:10 (c) 7:10 (d) 6:10
  20. 20.What time will it be 25 minutes after 3:40? (a) 4:05 (b) 3:55 (c) 3:05 (d) 5:05
  21. 21.A film starts at 3:40 and ends at 5:00. How long is the film? (a) 2 h 20 min (b) 20 min (c) 1 h 30 min (d) 1 h 20 min
  22. 22.A film starts at 1:20 and ends at 1:40. How long is the film? (a) 1 h 20 min (b) 30 min (c) 20 min (d) 10 min
  23. 23.What time will it be 35 minutes after 5:25? (a) 5:50 (b) 7:00 (c) 5:00 (d) 6:00
  24. 24.What time was it 30 minutes before 4:20? (a) 4:50 (b) 4:00 (c) 3:50 (d) 2:50
  25. 25.What time was it 15 minutes before 10:25? (a) 9:10 (b) 10:10 (c) 10:20 (d) 11:10
  26. 26.What time will it be 15 minutes after 7:40? (a) 8:55 (b) 7:45 (c) 7:55 (d) 6:55
  27. 27.A film starts at 8:15 and ends at 9:40. How long is the film? (a) 1 h 25 min (b) 1 h 35 min (c) 2 h 25 min (d) 25 min
  28. 28.What time was it 15 minutes before 3:35? (a) 2:20 (b) 4:20 (c) 3:20 (d) 3:30
  29. 29.A film starts at 4:20 and ends at 7:00. How long is the film? (a) 3 h 40 min (b) 1 h 40 min (c) 2 h 50 min (d) 2 h 40 min
  30. 30.What time was it 20 minutes before 3:05? (a) 2:45 (b) 3:45 (c) 1:45 (d) 2:55
  31. 31.What time was it 45 minutes before 3:35? (a) 2:50 (b) 3:50 (c) 3:00 (d) 1:50
  32. 32.A film starts at 1:35 and ends at 4:35. How long is the film? (a) 3 h 10 min (b) 2 h (c) 3 h (d) 4 h
  33. 33.What time was it 20 minutes before 10:05? (a) 10:45 (b) 9:55 (c) 8:45 (d) 9:45
  34. 34.What time was it 30 minutes before 11:15? (a) 10:55 (b) 10:45 (c) 11:45 (d) 9:45
  35. 35.What time will it be 25 minutes after 9:15? (a) 9:40 (b) 9:30 (c) 10:40 (d) 8:40
  36. 36.A film starts at 5:00 and ends at 6:10. How long is the film? (a) 2 h 10 min (b) 1 h 10 min (c) 10 min (d) 1 h 20 min
  37. 37.What time was it 20 minutes before 9:05? (a) 9:45 (b) 8:45 (c) 7:45 (d) 8:55
  38. 38.What time will it be 50 minutes after 2:00? (a) 1:50 (b) 2:50 (c) 3:50 (d) 2:40
  39. 39.What time will it be 30 minutes after 4:50? (a) 5:10 (b) 6:20 (c) 5:20 (d) 4:20
  40. 40.What time will it be 30 minutes after 10:00? (a) 9:30 (b) 10:30 (c) 10:20 (d) 11:30

Answer key

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

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