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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 516 · 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 55 minutes after 9:15? (a) 9:10 (b) 10:10 (c) 10:00 (d) 11:10
  2. 2.What time will it be 45 minutes after 2:15? (a) 2:00 (b) 4:00 (c) 2:50 (d) 3:00
  3. 3.What time will it be 50 minutes after 3:00? (a) 2:50 (b) 4:50 (c) 3:50 (d) 3:40
  4. 4.What time was it 45 minutes before 8:50? (a) 8:05 (b) 8:15 (c) 7:05 (d) 9:05
  5. 5.What time was it 20 minutes before 9:30? (a) 8:10 (b) 10:10 (c) 9:20 (d) 9:10
  6. 6.What time will it be 55 minutes after 5:35? (a) 5:30 (b) 6:20 (c) 6:30 (d) 7:30
  7. 7.What time was it 45 minutes before 6:15? (a) 4:30 (b) 5:40 (c) 5:30 (d) 6:30
  8. 8.A film starts at 1:45 and ends at 2:05. How long is the film? (a) 20 min (b) 10 min (c) 30 min (d) 1 h 20 min
  9. 9.What time will it be 25 minutes after 4:20? (a) 5:45 (b) 4:35 (c) 3:45 (d) 4:45
  10. 10.What time will it be 40 minutes after 2:15? (a) 3:55 (b) 2:45 (c) 2:55 (d) 1:55
  11. 11.What time will it be 20 minutes after 6:10? (a) 5:30 (b) 6:30 (c) 7:30 (d) 6:20
  12. 12.A film starts at 8:30 and ends at 9:45. How long is the film? (a) 1 h 25 min (b) 15 min (c) 2 h 15 min (d) 1 h 15 min
  13. 13.What time will it be 45 minutes after 9:25? (a) 10:10 (b) 10:00 (c) 11:10 (d) 9:10
  14. 14.What time was it 50 minutes before 3:30? (a) 2:40 (b) 1:40 (c) 2:50 (d) 3:40
  15. 15.What time will it be 30 minutes after 2:40? (a) 3:00 (b) 2:10 (c) 4:10 (d) 3:10
  16. 16.A film starts at 4:05 and ends at 5:50. How long is the film? (a) 1 h 55 min (b) 45 min (c) 1 h 45 min (d) 2 h 45 min
  17. 17.What time was it 40 minutes before 5:00? (a) 5:20 (b) 3:20 (c) 4:20 (d) 4:30
  18. 18.What time will it be 50 minutes after 6:00? (a) 7:50 (b) 6:50 (c) 5:50 (d) 6:40
  19. 19.What time will it be 40 minutes after 10:00? (a) 11:40 (b) 9:40 (c) 10:40 (d) 10:30
  20. 20.What time will it be 40 minutes after 1:20? (a) 1:50 (b) 2:00 (c) 1:00 (d) 3:00
  21. 21.What time was it 15 minutes before 6:10? (a) 4:55 (b) 5:55 (c) 6:55 (d) 6:05
  22. 22.What time will it be 50 minutes after 10:30? (a) 12:20 (b) 10:20 (c) 11:10 (d) 11:20
  23. 23.What time will it be 30 minutes after 10:30? (a) 12:00 (b) 10:50 (c) 11:00 (d) 10:00
  24. 24.A film starts at 8:10 and ends at 9:10. How long is the film? (a) 1 h (b) 2 h (c) 50 min (d) 1 h 10 min
  25. 25.A film starts at 1:10 and ends at 2:50. How long is the film? (a) 2 h 40 min (b) 1 h 40 min (c) 1 h 50 min (d) 40 min
  26. 26.A film starts at 1:45 and ends at 4:00. How long is the film? (a) 2 h 15 min (b) 3 h 15 min (c) 2 h 25 min (d) 1 h 15 min
  27. 27.A film starts at 8:55 and ends at 11:15. How long is the film? (a) 2 h 30 min (b) 1 h 20 min (c) 2 h 20 min (d) 3 h 20 min
  28. 28.What time was it 55 minutes before 11:00? (a) 9:05 (b) 10:05 (c) 11:05 (d) 10:15
  29. 29.What time will it be 20 minutes after 1:50? (a) 2:00 (b) 1:10 (c) 2:10 (d) 3:10
  30. 30.What time will it be 20 minutes after 5:10? (a) 4:30 (b) 6:30 (c) 5:20 (d) 5:30
  31. 31.What time will it be 25 minutes after 5:20? (a) 4:45 (b) 5:45 (c) 5:35 (d) 6:45
  32. 32.What time will it be 40 minutes after 8:50? (a) 9:30 (b) 10:30 (c) 8:30 (d) 9:20
  33. 33.What time was it 50 minutes before 11:05? (a) 9:15 (b) 10:25 (c) 10:15 (d) 11:15
  34. 34.What time will it be 35 minutes after 10:00? (a) 10:25 (b) 11:35 (c) 9:35 (d) 10:35
  35. 35.What time was it 45 minutes before 2:35? (a) 1:50 (b) 2:50 (c) 1:40 (d) 2:00
  36. 36.What time will it be 20 minutes after 5:50? (a) 6:10 (b) 5:10 (c) 6:00 (d) 7:10
  37. 37.What time was it 50 minutes before 10:10? (a) 8:20 (b) 10:20 (c) 9:30 (d) 9:20
  38. 38.A film starts at 1:40 and ends at 3:35. How long is the film? (a) 2 h 5 min (b) 55 min (c) 2 h 55 min (d) 1 h 55 min
  39. 39.A film starts at 6:15 and ends at 7:10. How long is the film? (a) 1 h 55 min (b) 55 min (c) 45 min (d) 1 h 5 min
  40. 40.A film starts at 5:45 and ends at 7:10. How long is the film? (a) 1 h 35 min (b) 2 h 25 min (c) 25 min (d) 1 h 25 min

Answer key

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

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