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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 830 · 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 30 minutes after 2:45? (a) 2:15 (b) 3:15 (c) 3:05 (d) 4:15
  2. 2.What time was it 35 minutes before 4:40? (a) 4:05 (b) 4:15 (c) 3:05 (d) 5:05
  3. 3.What time will it be 50 minutes after 6:40? (a) 6:30 (b) 7:20 (c) 7:30 (d) 8:30
  4. 4.What time will it be 45 minutes after 2:00? (a) 1:45 (b) 2:35 (c) 2:45 (d) 3:45
  5. 5.What time was it 15 minutes before 10:05? (a) 9:50 (b) 10:50 (c) 10:00 (d) 8:50
  6. 6.What time will it be 30 minutes after 10:10? (a) 11:40 (b) 10:30 (c) 9:40 (d) 10:40
  7. 7.What time will it be 35 minutes after 2:50? (a) 2:25 (b) 4:25 (c) 3:15 (d) 3:25
  8. 8.A film starts at 4:55 and ends at 5:45. How long is the film? (a) 40 min (b) 50 min (c) 1 h 50 min (d) 1 h
  9. 9.A film starts at 3:50 and ends at 6:05. How long is the film? (a) 2 h 15 min (b) 1 h 15 min (c) 3 h 15 min (d) 2 h 25 min
  10. 10.A film starts at 4:25 and ends at 7:25. How long is the film? (a) 3 h 10 min (b) 4 h (c) 3 h (d) 2 h
  11. 11.What time will it be 45 minutes after 2:45? (a) 2:30 (b) 3:20 (c) 3:30 (d) 4:30
  12. 12.What time was it 55 minutes before 4:35? (a) 4:40 (b) 2:40 (c) 3:40 (d) 3:50
  13. 13.What time will it be 20 minutes after 4:00? (a) 4:10 (b) 5:20 (c) 3:20 (d) 4:20
  14. 14.What time was it 20 minutes before 5:10? (a) 5:00 (b) 3:50 (c) 5:50 (d) 4:50
  15. 15.A film starts at 1:00 and ends at 3:40. How long is the film? (a) 2 h 40 min (b) 3 h 40 min (c) 2 h 50 min (d) 1 h 40 min
  16. 16.What time will it be 35 minutes after 7:00? (a) 7:35 (b) 6:35 (c) 8:35 (d) 7:25
  17. 17.What time will it be 45 minutes after 2:20? (a) 2:05 (b) 4:05 (c) 3:05 (d) 2:55
  18. 18.What time was it 45 minutes before 5:00? (a) 4:25 (b) 3:15 (c) 4:15 (d) 5:15
  19. 19.What time was it 30 minutes before 9:35? (a) 9:05 (b) 10:05 (c) 9:15 (d) 8:05
  20. 20.What time will it be 50 minutes after 7:05? (a) 8:55 (b) 7:55 (c) 7:45 (d) 6:55
  21. 21.What time was it 30 minutes before 3:25? (a) 1:55 (b) 3:05 (c) 3:55 (d) 2:55
  22. 22.What time was it 50 minutes before 4:00? (a) 2:10 (b) 3:20 (c) 4:10 (d) 3:10
  23. 23.A film starts at 1:55 and ends at 4:05. How long is the film? (a) 2 h 10 min (b) 1 h 10 min (c) 2 h 20 min (d) 3 h 10 min
  24. 24.What time was it 30 minutes before 4:55? (a) 4:35 (b) 5:25 (c) 3:25 (d) 4:25
  25. 25.What time will it be 55 minutes after 2:45? (a) 4:40 (b) 3:40 (c) 3:30 (d) 2:40
  26. 26.A film starts at 5:40 and ends at 7:40. How long is the film? (a) 2 h (b) 1 h (c) 3 h (d) 2 h 10 min
  27. 27.What time will it be 25 minutes after 1:50? (a) 2:15 (b) 1:15 (c) 2:05 (d) 3:15
  28. 28.A film starts at 3:20 and ends at 5:45. How long is the film? (a) 2 h 25 min (b) 2 h 35 min (c) 3 h 25 min (d) 1 h 25 min
  29. 29.What time will it be 20 minutes after 9:10? (a) 9:30 (b) 9:20 (c) 8:30 (d) 10:30
  30. 30.What time was it 30 minutes before 6:30? (a) 6:00 (b) 5:00 (c) 6:10 (d) 7:00
  31. 31.What time was it 30 minutes before 2:40? (a) 3:10 (b) 1:10 (c) 2:10 (d) 2:20
  32. 32.What time will it be 35 minutes after 9:25? (a) 11:00 (b) 9:00 (c) 9:50 (d) 10:00
  33. 33.What time was it 20 minutes before 9:50? (a) 9:40 (b) 10:30 (c) 8:30 (d) 9:30
  34. 34.What time was it 45 minutes before 4:55? (a) 4:20 (b) 3:10 (c) 4:10 (d) 5:10
  35. 35.What time was it 25 minutes before 3:10? (a) 1:45 (b) 2:55 (c) 3:45 (d) 2:45
  36. 36.A film starts at 2:45 and ends at 3:10. How long is the film? (a) 15 min (b) 1 h 25 min (c) 25 min (d) 35 min
  37. 37.What time will it be 40 minutes after 4:50? (a) 5:30 (b) 4:30 (c) 5:20 (d) 6:30
  38. 38.What time was it 20 minutes before 4:25? (a) 3:05 (b) 5:05 (c) 4:15 (d) 4:05
  39. 39.What time will it be 35 minutes after 10:50? (a) 11:25 (b) 12:25 (c) 10:25 (d) 11:15
  40. 40.What time was it 45 minutes before 10:50? (a) 11:05 (b) 10:15 (c) 9:05 (d) 10:05

Answer key

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

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