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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 699 · 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 8:20? (a) 7:40 (b) 6:40 (c) 8:40 (d) 7:50
  2. 2.What time will it be 35 minutes after 10:05? (a) 9:40 (b) 10:30 (c) 11:40 (d) 10:40
  3. 3.What time will it be 40 minutes after 10:30? (a) 11:10 (b) 12:10 (c) 10:10 (d) 11:00
  4. 4.What time was it 20 minutes before 2:50? (a) 1:30 (b) 2:30 (c) 3:30 (d) 2:40
  5. 5.What time was it 40 minutes before 9:30? (a) 7:50 (b) 9:50 (c) 9:00 (d) 8:50
  6. 6.What time will it be 20 minutes after 7:05? (a) 6:25 (b) 7:25 (c) 8:25 (d) 7:15
  7. 7.What time will it be 55 minutes after 2:40? (a) 2:35 (b) 3:25 (c) 3:35 (d) 4:35
  8. 8.What time was it 25 minutes before 6:35? (a) 6:10 (b) 6:20 (c) 7:10 (d) 5:10
  9. 9.What time was it 20 minutes before 5:30? (a) 6:10 (b) 5:10 (c) 5:20 (d) 4:10
  10. 10.What time was it 40 minutes before 4:25? (a) 2:45 (b) 3:55 (c) 4:45 (d) 3:45
  11. 11.What time was it 35 minutes before 5:00? (a) 5:25 (b) 3:25 (c) 4:35 (d) 4:25
  12. 12.What time will it be 30 minutes after 3:10? (a) 3:40 (b) 4:40 (c) 2:40 (d) 3:30
  13. 13.What time was it 45 minutes before 10:20? (a) 8:35 (b) 10:35 (c) 9:45 (d) 9:35
  14. 14.What time was it 25 minutes before 9:15? (a) 9:00 (b) 8:50 (c) 7:50 (d) 9:50
  15. 15.What time will it be 20 minutes after 9:50? (a) 10:00 (b) 11:10 (c) 10:10 (d) 9:10
  16. 16.What time will it be 40 minutes after 2:05? (a) 2:45 (b) 3:45 (c) 2:35 (d) 1:45
  17. 17.A film starts at 7:25 and ends at 10:00. How long is the film? (a) 1 h 35 min (b) 2 h 45 min (c) 2 h 35 min (d) 3 h 35 min
  18. 18.What time will it be 50 minutes after 6:35? (a) 6:25 (b) 8:25 (c) 7:25 (d) 7:15
  19. 19.What time will it be 20 minutes after 6:25? (a) 7:45 (b) 6:35 (c) 6:45 (d) 5:45
  20. 20.A film starts at 3:00 and ends at 4:30. How long is the film? (a) 1 h 40 min (b) 30 min (c) 2 h 30 min (d) 1 h 30 min
  21. 21.A film starts at 3:50 and ends at 4:35. How long is the film? (a) 1 h 45 min (b) 45 min (c) 35 min (d) 55 min
  22. 22.What time was it 35 minutes before 11:10? (a) 10:45 (b) 11:35 (c) 9:35 (d) 10:35
  23. 23.A film starts at 5:05 and ends at 5:25. How long is the film? (a) 1 h 20 min (b) 30 min (c) 20 min (d) 10 min
  24. 24.What time was it 45 minutes before 11:05? (a) 11:20 (b) 9:20 (c) 10:20 (d) 10:30
  25. 25.A film starts at 4:50 and ends at 7:00. How long is the film? (a) 2 h 10 min (b) 3 h 10 min (c) 1 h 10 min (d) 2 h 20 min
  26. 26.What time was it 45 minutes before 3:05? (a) 2:30 (b) 1:20 (c) 3:20 (d) 2:20
  27. 27.What time will it be 25 minutes after 5:10? (a) 6:35 (b) 5:35 (c) 5:25 (d) 4:35
  28. 28.What time will it be 35 minutes after 4:15? (a) 4:50 (b) 3:50 (c) 4:40 (d) 5:50
  29. 29.A film starts at 2:10 and ends at 4:35. How long is the film? (a) 2 h 35 min (b) 3 h 25 min (c) 2 h 25 min (d) 1 h 25 min
  30. 30.What time will it be 55 minutes after 6:05? (a) 7:00 (b) 8:00 (c) 6:50 (d) 6:00
  31. 31.A film starts at 7:05 and ends at 7:50. How long is the film? (a) 55 min (b) 35 min (c) 1 h 45 min (d) 45 min
  32. 32.What time was it 45 minutes before 11:50? (a) 10:05 (b) 11:05 (c) 12:05 (d) 11:15
  33. 33.What time will it be 35 minutes after 6:20? (a) 7:55 (b) 5:55 (c) 6:45 (d) 6:55
  34. 34.A film starts at 7:20 and ends at 9:50. How long is the film? (a) 2 h 40 min (b) 3 h 30 min (c) 1 h 30 min (d) 2 h 30 min
  35. 35.What time will it be 40 minutes after 7:00? (a) 6:40 (b) 7:40 (c) 7:30 (d) 8:40
  36. 36.What time will it be 55 minutes after 6:50? (a) 7:45 (b) 7:35 (c) 6:45 (d) 8:45
  37. 37.What time will it be 55 minutes after 3:25? (a) 4:20 (b) 4:10 (c) 5:20 (d) 3:20
  38. 38.What time was it 55 minutes before 8:50? (a) 7:55 (b) 8:55 (c) 8:05 (d) 6:55
  39. 39.What time will it be 30 minutes after 5:05? (a) 5:35 (b) 5:25 (c) 6:35 (d) 4:35
  40. 40.What time will it be 50 minutes after 10:35? (a) 10:25 (b) 11:25 (c) 12:25 (d) 11:15

Answer key

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

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