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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 644 · 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 50 minutes after 2:35? (a) 2:25 (b) 3:15 (c) 3:25 (d) 4:25
  2. 2.What time was it 50 minutes before 9:00? (a) 8:10 (b) 7:10 (c) 9:10 (d) 8:20
  3. 3.What time will it be 55 minutes after 2:25? (a) 2:20 (b) 3:10 (c) 4:20 (d) 3:20
  4. 4.A film starts at 1:30 and ends at 3:50. How long is the film? (a) 2 h 20 min (b) 2 h 30 min (c) 3 h 20 min (d) 1 h 20 min
  5. 5.What time was it 25 minutes before 10:50? (a) 9:25 (b) 10:25 (c) 10:35 (d) 11:25
  6. 6.What time will it be 20 minutes after 7:50? (a) 9:10 (b) 7:10 (c) 8:00 (d) 8:10
  7. 7.What time was it 45 minutes before 7:15? (a) 5:30 (b) 6:40 (c) 6:30 (d) 7:30
  8. 8.What time will it be 40 minutes after 3:45? (a) 5:25 (b) 4:25 (c) 4:15 (d) 3:25
  9. 9.What time will it be 15 minutes after 7:25? (a) 8:40 (b) 7:40 (c) 6:40 (d) 7:30
  10. 10.What time will it be 45 minutes after 9:05? (a) 8:50 (b) 10:50 (c) 9:40 (d) 9:50
  11. 11.What time will it be 30 minutes after 10:15? (a) 11:45 (b) 9:45 (c) 10:45 (d) 10:35
  12. 12.What time will it be 20 minutes after 1:05? (a) 1:35 (b) 1:25 (c) 2:25 (d) 1:15
  13. 13.What time will it be 20 minutes after 2:00? (a) 1:20 (b) 2:10 (c) 2:20 (d) 3:20
  14. 14.What time was it 30 minutes before 4:35? (a) 5:05 (b) 3:05 (c) 4:15 (d) 4:05
  15. 15.What time will it be 50 minutes after 9:55? (a) 11:45 (b) 9:45 (c) 10:45 (d) 10:35
  16. 16.What time will it be 35 minutes after 8:25? (a) 10:00 (b) 8:00 (c) 9:00 (d) 8:50
  17. 17.A film starts at 8:25 and ends at 11:05. How long is the film? (a) 2 h 40 min (b) 2 h 50 min (c) 3 h 40 min (d) 1 h 40 min
  18. 18.What time was it 45 minutes before 2:05? (a) 2:20 (b) 1:20 (c) 1:30 (d) 1:10
  19. 19.What time will it be 25 minutes after 9:55? (a) 9:20 (b) 11:20 (c) 10:20 (d) 10:10
  20. 20.What time will it be 50 minutes after 10:40? (a) 10:30 (b) 12:30 (c) 11:20 (d) 11:30
  21. 21.What time will it be 50 minutes after 6:40? (a) 7:30 (b) 6:30 (c) 8:30 (d) 7:20
  22. 22.What time will it be 30 minutes after 6:50? (a) 6:20 (b) 8:20 (c) 7:10 (d) 7:20
  23. 23.What time was it 50 minutes before 7:40? (a) 5:50 (b) 7:50 (c) 7:00 (d) 6:50
  24. 24.What time was it 45 minutes before 4:00? (a) 2:15 (b) 4:15 (c) 3:25 (d) 3:15
  25. 25.What time will it be 15 minutes after 4:05? (a) 3:20 (b) 4:20 (c) 5:20 (d) 4:10
  26. 26.What time will it be 30 minutes after 1:10? (a) 2:40 (b) 1:50 (c) 1:40 (d) 1:30
  27. 27.What time will it be 15 minutes after 4:50? (a) 4:05 (b) 6:05 (c) 5:05 (d) 4:55
  28. 28.What time was it 40 minutes before 9:00? (a) 8:20 (b) 8:30 (c) 7:20 (d) 9:20
  29. 29.A film starts at 5:30 and ends at 6:30. How long is the film? (a) 1 h 10 min (b) 2 h (c) 1 h (d) 50 min
  30. 30.What time was it 40 minutes before 5:20? (a) 4:50 (b) 4:40 (c) 3:40 (d) 5:40
  31. 31.What time will it be 55 minutes after 8:50? (a) 9:35 (b) 10:45 (c) 8:45 (d) 9:45
  32. 32.A film starts at 1:45 and ends at 2:25. How long is the film? (a) 40 min (b) 50 min (c) 1 h 40 min (d) 30 min
  33. 33.A film starts at 5:05 and ends at 7:40. How long is the film? (a) 3 h 35 min (b) 1 h 35 min (c) 2 h 45 min (d) 2 h 35 min
  34. 34.A film starts at 2:10 and ends at 3:55. How long is the film? (a) 45 min (b) 1 h 45 min (c) 2 h 45 min (d) 1 h 55 min
  35. 35.What time will it be 20 minutes after 10:00? (a) 9:20 (b) 10:20 (c) 11:20 (d) 10:10
  36. 36.What time will it be 20 minutes after 3:45? (a) 5:05 (b) 3:05 (c) 4:05 (d) 3:55
  37. 37.What time will it be 30 minutes after 5:00? (a) 4:30 (b) 5:20 (c) 6:30 (d) 5:30
  38. 38.What time will it be 20 minutes after 7:10? (a) 8:30 (b) 6:30 (c) 7:30 (d) 7:20
  39. 39.A film starts at 7:20 and ends at 9:50. How long is the film? (a) 1 h 30 min (b) 3 h 30 min (c) 2 h 30 min (d) 2 h 40 min
  40. 40.What time was it 25 minutes before 10:00? (a) 8:35 (b) 9:35 (c) 9:45 (d) 10:35

Answer key

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

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