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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 219 · 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 2:20? (a) 3:40 (b) 2:40 (c) 1:40 (d) 2:30
  2. 2.What time was it 55 minutes before 5:50? (a) 5:05 (b) 4:55 (c) 5:55 (d) 3:55
  3. 3.What time will it be 30 minutes after 7:40? (a) 9:10 (b) 8:00 (c) 7:10 (d) 8:10
  4. 4.What time was it 55 minutes before 10:35? (a) 8:40 (b) 9:50 (c) 9:40 (d) 10:40
  5. 5.What time was it 25 minutes before 9:00? (a) 8:35 (b) 7:35 (c) 9:35 (d) 8:45
  6. 6.What time will it be 15 minutes after 5:30? (a) 5:35 (b) 4:45 (c) 5:45 (d) 6:45
  7. 7.What time was it 30 minutes before 6:35? (a) 7:05 (b) 6:05 (c) 5:05 (d) 6:15
  8. 8.A film starts at 6:05 and ends at 7:05. How long is the film? (a) 1 h 10 min (b) 1 h (c) 2 h (d) 50 min
  9. 9.What time will it be 30 minutes after 10:50? (a) 10:20 (b) 11:20 (c) 12:20 (d) 11:10
  10. 10.What time was it 45 minutes before 10:00? (a) 9:15 (b) 9:25 (c) 10:15 (d) 8:15
  11. 11.What time was it 50 minutes before 7:25? (a) 7:35 (b) 5:35 (c) 6:35 (d) 6:45
  12. 12.A film starts at 6:05 and ends at 9:00. How long is the film? (a) 2 h 55 min (b) 3 h 55 min (c) 1 h 55 min (d) 3 h 5 min
  13. 13.What time was it 20 minutes before 2:15? (a) 2:55 (b) 1:45 (c) 2:05 (d) 1:55
  14. 14.What time will it be 15 minutes after 1:10? (a) 1:25 (b) 1:35 (c) 2:25 (d) 1:15
  15. 15.What time will it be 55 minutes after 1:10? (a) 1:05 (b) 1:55 (c) 3:05 (d) 2:05
  16. 16.What time will it be 45 minutes after 5:05? (a) 4:50 (b) 5:50 (c) 6:50 (d) 5:40
  17. 17.What time was it 40 minutes before 7:55? (a) 6:15 (b) 8:15 (c) 7:25 (d) 7:15
  18. 18.What time was it 45 minutes before 11:30? (a) 10:55 (b) 9:45 (c) 11:45 (d) 10:45
  19. 19.What time will it be 45 minutes after 10:10? (a) 10:45 (b) 11:55 (c) 9:55 (d) 10:55
  20. 20.What time will it be 25 minutes after 5:45? (a) 6:00 (b) 7:10 (c) 5:10 (d) 6:10
  21. 21.What time will it be 40 minutes after 1:55? (a) 2:35 (b) 2:25 (c) 3:35 (d) 1:35
  22. 22.What time will it be 20 minutes after 9:30? (a) 10:50 (b) 8:50 (c) 9:40 (d) 9:50
  23. 23.What time will it be 40 minutes after 8:35? (a) 9:15 (b) 9:05 (c) 10:15 (d) 8:15
  24. 24.What time was it 50 minutes before 6:35? (a) 5:45 (b) 5:55 (c) 4:45 (d) 6:45
  25. 25.What time was it 50 minutes before 9:05? (a) 7:15 (b) 9:15 (c) 8:15 (d) 8:25
  26. 26.What time will it be 15 minutes after 4:45? (a) 4:00 (b) 6:00 (c) 4:50 (d) 5:00
  27. 27.What time was it 25 minutes before 8:10? (a) 7:55 (b) 6:45 (c) 7:45 (d) 8:45
  28. 28.What time will it be 25 minutes after 6:35? (a) 7:00 (b) 6:00 (c) 6:50 (d) 8:00
  29. 29.A film starts at 6:10 and ends at 8:30. How long is the film? (a) 2 h 30 min (b) 2 h 20 min (c) 3 h 20 min (d) 1 h 20 min
  30. 30.What time will it be 25 minutes after 4:40? (a) 6:05 (b) 4:05 (c) 5:05 (d) 4:55
  31. 31.A film starts at 7:10 and ends at 10:10. How long is the film? (a) 3 h 10 min (b) 4 h (c) 2 h (d) 3 h
  32. 32.A film starts at 2:50 and ends at 5:00. How long is the film? (a) 1 h 10 min (b) 3 h 10 min (c) 2 h 10 min (d) 2 h 20 min
  33. 33.What time will it be 15 minutes after 6:25? (a) 5:40 (b) 6:30 (c) 6:40 (d) 7:40
  34. 34.What time will it be 15 minutes after 10:05? (a) 11:20 (b) 10:20 (c) 9:20 (d) 10:10
  35. 35.What time was it 45 minutes before 2:15? (a) 1:40 (b) 1:30 (c) 2:30 (d) 1:20
  36. 36.What time was it 25 minutes before 3:20? (a) 3:55 (b) 2:55 (c) 3:05 (d) 1:55
  37. 37.A film starts at 5:30 and ends at 7:25. How long is the film? (a) 2 h 5 min (b) 55 min (c) 1 h 55 min (d) 2 h 55 min
  38. 38.What time was it 30 minutes before 2:10? (a) 1:30 (b) 1:50 (c) 1:40 (d) 2:40
  39. 39.What time was it 40 minutes before 2:40? (a) 1:00 (b) 3:00 (c) 2:00 (d) 2:10
  40. 40.What time was it 50 minutes before 8:05? (a) 7:25 (b) 8:15 (c) 7:15 (d) 6:15

Answer key

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

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