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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 121 · 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 3:10? (a) 2:50 (b) 3:00 (c) 1:50 (d) 3:50
  2. 2.What time will it be 25 minutes after 8:55? (a) 9:20 (b) 10:20 (c) 8:20 (d) 9:10
  3. 3.What time will it be 25 minutes after 6:50? (a) 7:05 (b) 8:15 (c) 6:15 (d) 7:15
  4. 4.A film starts at 6:00 and ends at 6:35. How long is the film? (a) 1 h 35 min (b) 45 min (c) 25 min (d) 35 min
  5. 5.What time will it be 40 minutes after 10:50? (a) 12:30 (b) 11:30 (c) 11:20 (d) 10:30
  6. 6.What time will it be 30 minutes after 3:30? (a) 5:00 (b) 3:50 (c) 4:00 (d) 3:00
  7. 7.What time will it be 15 minutes after 5:35? (a) 4:50 (b) 6:50 (c) 5:40 (d) 5:50
  8. 8.A film starts at 4:10 and ends at 5:15. How long is the film? (a) 5 min (b) 1 h 15 min (c) 2 h 5 min (d) 1 h 5 min
  9. 9.A film starts at 4:05 and ends at 4:25. How long is the film? (a) 20 min (b) 30 min (c) 1 h 20 min (d) 10 min
  10. 10.What time will it be 55 minutes after 6:20? (a) 7:05 (b) 8:15 (c) 6:15 (d) 7:15
  11. 11.What time was it 50 minutes before 11:30? (a) 10:40 (b) 10:50 (c) 11:40 (d) 9:40
  12. 12.What time will it be 40 minutes after 7:05? (a) 6:45 (b) 7:35 (c) 8:45 (d) 7:45
  13. 13.What time was it 55 minutes before 7:10? (a) 5:15 (b) 6:25 (c) 7:15 (d) 6:15
  14. 14.A film starts at 6:00 and ends at 6:40. How long is the film? (a) 1 h 40 min (b) 50 min (c) 40 min (d) 30 min
  15. 15.A film starts at 7:20 and ends at 9:45. How long is the film? (a) 2 h 25 min (b) 2 h 35 min (c) 3 h 25 min (d) 1 h 25 min
  16. 16.What time was it 45 minutes before 6:10? (a) 5:35 (b) 5:25 (c) 6:25 (d) 4:25
  17. 17.What time was it 25 minutes before 7:35? (a) 7:20 (b) 6:10 (c) 8:10 (d) 7:10
  18. 18.What time will it be 55 minutes after 9:05? (a) 10:00 (b) 11:00 (c) 9:00 (d) 9:50
  19. 19.What time will it be 50 minutes after 5:15? (a) 7:05 (b) 6:05 (c) 5:55 (d) 5:05
  20. 20.What time was it 25 minutes before 6:55? (a) 5:30 (b) 6:30 (c) 6:40 (d) 7:30
  21. 21.What time was it 15 minutes before 2:45? (a) 2:30 (b) 2:40 (c) 1:30 (d) 3:30
  22. 22.What time will it be 30 minutes after 6:10? (a) 6:30 (b) 6:40 (c) 5:40 (d) 7:40
  23. 23.A film starts at 8:05 and ends at 10:20. How long is the film? (a) 2 h 15 min (b) 3 h 15 min (c) 1 h 15 min (d) 2 h 25 min
  24. 24.A film starts at 3:15 and ends at 4:50. How long is the film? (a) 35 min (b) 1 h 45 min (c) 2 h 35 min (d) 1 h 35 min
  25. 25.What time will it be 25 minutes after 10:20? (a) 10:35 (b) 11:45 (c) 10:45 (d) 9:45
  26. 26.A film starts at 3:45 and ends at 4:20. How long is the film? (a) 25 min (b) 35 min (c) 1 h 35 min (d) 45 min
  27. 27.What time will it be 50 minutes after 3:20? (a) 5:10 (b) 4:00 (c) 3:10 (d) 4:10
  28. 28.What time was it 25 minutes before 8:15? (a) 8:50 (b) 6:50 (c) 8:00 (d) 7:50
  29. 29.A film starts at 7:25 and ends at 10:25. How long is the film? (a) 4 h (b) 2 h (c) 3 h 10 min (d) 3 h
  30. 30.A film starts at 4:35 and ends at 7:00. How long is the film? (a) 3 h 25 min (b) 2 h 25 min (c) 1 h 25 min (d) 2 h 35 min
  31. 31.What time will it be 25 minutes after 4:00? (a) 5:25 (b) 4:15 (c) 3:25 (d) 4:25
  32. 32.What time will it be 25 minutes after 7:45? (a) 7:10 (b) 8:00 (c) 9:10 (d) 8:10
  33. 33.What time will it be 20 minutes after 2:55? (a) 2:15 (b) 3:05 (c) 3:15 (d) 4:15
  34. 34.What time was it 20 minutes before 3:30? (a) 4:10 (b) 3:20 (c) 2:10 (d) 3:10
  35. 35.What time will it be 45 minutes after 3:10? (a) 4:55 (b) 3:45 (c) 3:55 (d) 2:55
  36. 36.A film starts at 8:40 and ends at 11:40. How long is the film? (a) 2 h (b) 3 h 10 min (c) 4 h (d) 3 h
  37. 37.What time will it be 45 minutes after 5:55? (a) 5:40 (b) 6:30 (c) 7:40 (d) 6:40
  38. 38.What time will it be 25 minutes after 1:15? (a) 1:40 (b) 2:40 (c) 1:30 (d) 1:50
  39. 39.What time will it be 25 minutes after 3:45? (a) 5:10 (b) 4:10 (c) 4:00 (d) 3:10
  40. 40.What time will it be 15 minutes after 6:10? (a) 7:25 (b) 6:25 (c) 5:25 (d) 6:15

Answer key

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

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