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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 521 · 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 20 minutes after 6:15? (a) 6:35 (b) 6:25 (c) 7:35 (d) 5:35
  2. 2.What time will it be 40 minutes after 9:20? (a) 10:00 (b) 11:00 (c) 9:00 (d) 9:50
  3. 3.What time was it 15 minutes before 4:35? (a) 4:30 (b) 4:20 (c) 3:20 (d) 5:20
  4. 4.What time was it 30 minutes before 11:15? (a) 9:45 (b) 11:45 (c) 10:45 (d) 10:55
  5. 5.What time will it be 15 minutes after 3:25? (a) 4:40 (b) 3:40 (c) 2:40 (d) 3:30
  6. 6.A film starts at 6:20 and ends at 8:15. How long is the film? (a) 2 h 55 min (b) 2 h 5 min (c) 1 h 55 min (d) 55 min
  7. 7.What time was it 35 minutes before 4:10? (a) 3:35 (b) 4:35 (c) 3:45 (d) 2:35
  8. 8.A film starts at 5:25 and ends at 8:10. How long is the film? (a) 3 h 45 min (b) 1 h 45 min (c) 2 h 55 min (d) 2 h 45 min
  9. 9.What time will it be 15 minutes after 1:50? (a) 1:55 (b) 2:05 (c) 3:05 (d) 1:05
  10. 10.What time was it 40 minutes before 8:05? (a) 6:25 (b) 7:25 (c) 8:25 (d) 7:35
  11. 11.What time was it 30 minutes before 10:40? (a) 10:20 (b) 9:10 (c) 11:10 (d) 10:10
  12. 12.What time was it 45 minutes before 4:00? (a) 3:25 (b) 3:15 (c) 4:15 (d) 2:15
  13. 13.A film starts at 7:50 and ends at 9:00. How long is the film? (a) 1 h 20 min (b) 10 min (c) 2 h 10 min (d) 1 h 10 min
  14. 14.What time will it be 25 minutes after 6:40? (a) 8:05 (b) 6:05 (c) 6:55 (d) 7:05
  15. 15.A film starts at 7:55 and ends at 10:50. How long is the film? (a) 1 h 55 min (b) 3 h 55 min (c) 3 h 5 min (d) 2 h 55 min
  16. 16.What time was it 30 minutes before 4:10? (a) 2:40 (b) 4:40 (c) 3:40 (d) 3:50
  17. 17.What time will it be 30 minutes after 2:50? (a) 4:20 (b) 3:10 (c) 3:20 (d) 2:20
  18. 18.A film starts at 6:05 and ends at 6:55. How long is the film? (a) 1 h (b) 1 h 50 min (c) 50 min (d) 40 min
  19. 19.A film starts at 2:05 and ends at 2:25. How long is the film? (a) 20 min (b) 10 min (c) 30 min (d) 1 h 20 min
  20. 20.A film starts at 1:00 and ends at 1:35. How long is the film? (a) 35 min (b) 25 min (c) 45 min (d) 1 h 35 min
  21. 21.What time will it be 50 minutes after 3:10? (a) 4:00 (b) 5:00 (c) 3:00 (d) 3:50
  22. 22.What time was it 15 minutes before 2:00? (a) 1:45 (b) 1:35 (c) 2:45 (d) 1:55
  23. 23.What time was it 40 minutes before 6:05? (a) 5:25 (b) 5:35 (c) 6:25 (d) 4:25
  24. 24.What time was it 35 minutes before 2:30? (a) 2:55 (b) 1:45 (c) 2:05 (d) 1:55
  25. 25.What time will it be 55 minutes after 5:25? (a) 6:10 (b) 7:20 (c) 6:20 (d) 5:20
  26. 26.A film starts at 7:50 and ends at 8:55. How long is the film? (a) 1 h 15 min (b) 5 min (c) 1 h 5 min (d) 2 h 5 min
  27. 27.What time will it be 45 minutes after 8:50? (a) 9:35 (b) 10:35 (c) 9:25 (d) 8:35
  28. 28.What time was it 25 minutes before 11:55? (a) 10:30 (b) 11:30 (c) 12:30 (d) 11:40
  29. 29.A film starts at 5:35 and ends at 6:35. How long is the film? (a) 2 h (b) 1 h 10 min (c) 50 min (d) 1 h
  30. 30.What time was it 40 minutes before 8:50? (a) 7:10 (b) 9:10 (c) 8:10 (d) 8:20
  31. 31.What time will it be 50 minutes after 7:00? (a) 7:50 (b) 7:40 (c) 8:50 (d) 6:50
  32. 32.What time will it be 20 minutes after 6:45? (a) 6:55 (b) 8:05 (c) 6:05 (d) 7:05
  33. 33.What time was it 15 minutes before 10:05? (a) 10:00 (b) 9:50 (c) 10:50 (d) 8:50
  34. 34.What time will it be 30 minutes after 1:35? (a) 1:05 (b) 2:05 (c) 1:55 (d) 3:05
  35. 35.A film starts at 6:55 and ends at 7:35. How long is the film? (a) 50 min (b) 1 h 40 min (c) 40 min (d) 30 min
  36. 36.What time will it be 15 minutes after 7:30? (a) 7:45 (b) 8:45 (c) 7:35 (d) 6:45
  37. 37.What time will it be 40 minutes after 6:45? (a) 7:15 (b) 8:25 (c) 7:25 (d) 6:25
  38. 38.A film starts at 3:50 and ends at 6:25. How long is the film? (a) 2 h 45 min (b) 3 h 35 min (c) 1 h 35 min (d) 2 h 35 min
  39. 39.What time will it be 50 minutes after 8:45? (a) 9:35 (b) 8:35 (c) 9:25 (d) 10:35
  40. 40.What time will it be 25 minutes after 7:50? (a) 7:15 (b) 8:05 (c) 9:15 (d) 8:15

Answer key

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

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