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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 576 · 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 30 minutes before 2:15? (a) 1:45 (b) 2:45 (c) 1:55 (d) 1:35
  2. 2.What time was it 35 minutes before 5:50? (a) 4:15 (b) 5:25 (c) 6:15 (d) 5:15
  3. 3.What time will it be 25 minutes after 4:30? (a) 5:55 (b) 4:45 (c) 4:55 (d) 3:55
  4. 4.What time will it be 30 minutes after 7:05? (a) 7:25 (b) 7:35 (c) 8:35 (d) 6:35
  5. 5.What time was it 55 minutes before 11:30? (a) 9:35 (b) 10:45 (c) 11:35 (d) 10:35
  6. 6.What time will it be 45 minutes after 2:35? (a) 3:10 (b) 4:20 (c) 2:20 (d) 3:20
  7. 7.What time will it be 40 minutes after 7:25? (a) 7:05 (b) 9:05 (c) 7:55 (d) 8:05
  8. 8.What time was it 45 minutes before 10:30? (a) 9:55 (b) 8:45 (c) 9:45 (d) 10:45
  9. 9.What time will it be 25 minutes after 2:55? (a) 2:20 (b) 4:20 (c) 3:20 (d) 3:10
  10. 10.What time will it be 20 minutes after 9:20? (a) 10:40 (b) 9:40 (c) 9:30 (d) 8:40
  11. 11.What time will it be 35 minutes after 5:35? (a) 5:10 (b) 7:10 (c) 6:10 (d) 6:00
  12. 12.What time was it 20 minutes before 9:25? (a) 10:05 (b) 9:15 (c) 8:05 (d) 9:05
  13. 13.What time was it 20 minutes before 8:05? (a) 7:45 (b) 6:45 (c) 8:45 (d) 7:55
  14. 14.A film starts at 1:25 and ends at 2:15. How long is the film? (a) 1 h (b) 40 min (c) 1 h 50 min (d) 50 min
  15. 15.What time will it be 40 minutes after 4:35? (a) 6:15 (b) 5:05 (c) 4:15 (d) 5:15
  16. 16.What time was it 20 minutes before 6:10? (a) 5:50 (b) 6:50 (c) 6:00 (d) 4:50
  17. 17.What time was it 30 minutes before 6:25? (a) 6:05 (b) 4:55 (c) 6:55 (d) 5:55
  18. 18.What time will it be 25 minutes after 7:10? (a) 8:35 (b) 6:35 (c) 7:25 (d) 7:35
  19. 19.A film starts at 4:55 and ends at 6:30. How long is the film? (a) 2 h 35 min (b) 1 h 45 min (c) 35 min (d) 1 h 35 min
  20. 20.What time was it 15 minutes before 7:15? (a) 8:00 (b) 7:10 (c) 7:00 (d) 6:00
  21. 21.What time was it 25 minutes before 11:40? (a) 12:15 (b) 10:15 (c) 11:15 (d) 11:25
  22. 22.What time was it 55 minutes before 11:20? (a) 10:35 (b) 10:25 (c) 9:25 (d) 11:25
  23. 23.What time was it 20 minutes before 9:55? (a) 8:35 (b) 9:45 (c) 10:35 (d) 9:35
  24. 24.What time was it 25 minutes before 11:30? (a) 12:05 (b) 11:05 (c) 11:15 (d) 10:05
  25. 25.What time will it be 20 minutes after 7:50? (a) 9:10 (b) 7:10 (c) 8:00 (d) 8:10
  26. 26.What time was it 40 minutes before 9:20? (a) 7:40 (b) 9:40 (c) 8:50 (d) 8:40
  27. 27.What time was it 45 minutes before 6:35? (a) 5:50 (b) 6:00 (c) 6:50 (d) 4:50
  28. 28.A film starts at 1:15 and ends at 1:55. How long is the film? (a) 30 min (b) 50 min (c) 1 h 40 min (d) 40 min
  29. 29.What time will it be 50 minutes after 9:00? (a) 9:50 (b) 10:50 (c) 9:40 (d) 8:50
  30. 30.What time will it be 15 minutes after 1:10? (a) 1:25 (b) 2:25 (c) 1:35 (d) 1:15
  31. 31.A film starts at 4:10 and ends at 7:00. How long is the film? (a) 3 h 50 min (b) 2 h 50 min (c) 3 h (d) 1 h 50 min
  32. 32.What time will it be 40 minutes after 7:30? (a) 8:00 (b) 8:10 (c) 7:10 (d) 9:10
  33. 33.What time will it be 50 minutes after 10:05? (a) 10:45 (b) 10:55 (c) 9:55 (d) 11:55
  34. 34.What time will it be 45 minutes after 4:55? (a) 4:40 (b) 5:40 (c) 6:40 (d) 5:30
  35. 35.What time will it be 20 minutes after 10:00? (a) 10:20 (b) 10:10 (c) 9:20 (d) 11:20
  36. 36.What time was it 20 minutes before 3:50? (a) 3:40 (b) 4:30 (c) 2:30 (d) 3:30
  37. 37.A film starts at 1:40 and ends at 3:40. How long is the film? (a) 3 h (b) 2 h (c) 2 h 10 min (d) 1 h
  38. 38.What time was it 25 minutes before 11:25? (a) 10:00 (b) 12:00 (c) 11:00 (d) 11:10
  39. 39.What time was it 50 minutes before 4:50? (a) 4:10 (b) 3:00 (c) 4:00 (d) 5:00
  40. 40.What time was it 55 minutes before 8:50? (a) 7:55 (b) 8:05 (c) 8:55 (d) 6:55

Answer key

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

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