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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 905 · 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 55 minutes before 4:05? (a) 3:20 (b) 2:10 (c) 4:10 (d) 3:10
  2. 2.What time will it be 20 minutes after 5:55? (a) 5:15 (b) 7:15 (c) 6:15 (d) 6:05
  3. 3.What time will it be 20 minutes after 3:50? (a) 4:10 (b) 5:10 (c) 4:00 (d) 3:10
  4. 4.What time will it be 55 minutes after 1:05? (a) 2:00 (b) 1:50 (c) 3:00 (d) 1:00
  5. 5.What time was it 30 minutes before 2:40? (a) 2:20 (b) 1:10 (c) 2:10 (d) 3:10
  6. 6.What time was it 25 minutes before 5:45? (a) 4:20 (b) 6:20 (c) 5:30 (d) 5:20
  7. 7.What time was it 25 minutes before 2:25? (a) 1:00 (b) 3:00 (c) 2:00 (d) 2:10
  8. 8.What time will it be 50 minutes after 1:10? (a) 2:00 (b) 1:00 (c) 1:50 (d) 3:00
  9. 9.What time was it 20 minutes before 11:30? (a) 12:10 (b) 10:10 (c) 11:20 (d) 11:10
  10. 10.What time will it be 20 minutes after 5:15? (a) 6:35 (b) 4:35 (c) 5:35 (d) 5:25
  11. 11.What time was it 20 minutes before 7:35? (a) 7:15 (b) 8:15 (c) 6:15 (d) 7:25
  12. 12.What time will it be 25 minutes after 2:50? (a) 4:15 (b) 3:15 (c) 2:15 (d) 3:05
  13. 13.What time was it 25 minutes before 11:35? (a) 11:10 (b) 12:10 (c) 11:20 (d) 10:10
  14. 14.A film starts at 1:30 and ends at 2:15. How long is the film? (a) 1 h 45 min (b) 35 min (c) 55 min (d) 45 min
  15. 15.What time was it 25 minutes before 10:30? (a) 10:05 (b) 10:15 (c) 11:05 (d) 9:05
  16. 16.A film starts at 2:50 and ends at 3:20. How long is the film? (a) 1 h 30 min (b) 40 min (c) 20 min (d) 30 min
  17. 17.What time will it be 50 minutes after 6:35? (a) 8:25 (b) 7:25 (c) 6:25 (d) 7:15
  18. 18.What time will it be 25 minutes after 6:05? (a) 6:20 (b) 7:30 (c) 6:30 (d) 5:30
  19. 19.What time was it 35 minutes before 5:15? (a) 3:40 (b) 4:50 (c) 5:40 (d) 4:40
  20. 20.What time will it be 50 minutes after 7:00? (a) 6:50 (b) 8:50 (c) 7:50 (d) 7:40
  21. 21.A film starts at 8:40 and ends at 11:00. How long is the film? (a) 1 h 20 min (b) 2 h 30 min (c) 2 h 20 min (d) 3 h 20 min
  22. 22.What time will it be 55 minutes after 5:30? (a) 6:15 (b) 5:25 (c) 7:25 (d) 6:25
  23. 23.What time was it 15 minutes before 5:00? (a) 5:45 (b) 3:45 (c) 4:55 (d) 4:45
  24. 24.A film starts at 1:40 and ends at 3:35. How long is the film? (a) 1 h 55 min (b) 55 min (c) 2 h 55 min (d) 2 h 5 min
  25. 25.What time will it be 40 minutes after 9:25? (a) 11:05 (b) 9:05 (c) 9:55 (d) 10:05
  26. 26.A film starts at 1:25 and ends at 1:45. How long is the film? (a) 20 min (b) 10 min (c) 30 min (d) 1 h 20 min
  27. 27.What time was it 30 minutes before 3:00? (a) 1:30 (b) 2:40 (c) 2:30 (d) 3:30
  28. 28.What time will it be 20 minutes after 10:55? (a) 11:05 (b) 10:15 (c) 11:15 (d) 12:15
  29. 29.A film starts at 2:10 and ends at 4:45. How long is the film? (a) 2 h 45 min (b) 2 h 35 min (c) 3 h 35 min (d) 1 h 35 min
  30. 30.What time will it be 25 minutes after 6:20? (a) 6:35 (b) 6:45 (c) 5:45 (d) 7:45
  31. 31.What time will it be 55 minutes after 8:10? (a) 8:05 (b) 8:55 (c) 10:05 (d) 9:05
  32. 32.What time will it be 40 minutes after 9:20? (a) 9:00 (b) 10:00 (c) 11:00 (d) 9:50
  33. 33.A film starts at 8:40 and ends at 9:00. How long is the film? (a) 20 min (b) 10 min (c) 1 h 20 min (d) 30 min
  34. 34.What time will it be 40 minutes after 6:50? (a) 8:30 (b) 6:30 (c) 7:20 (d) 7:30
  35. 35.What time will it be 40 minutes after 4:00? (a) 4:40 (b) 4:30 (c) 3:40 (d) 5:40
  36. 36.A film starts at 5:05 and ends at 6:00. How long is the film? (a) 1 h 55 min (b) 55 min (c) 1 h 5 min (d) 45 min
  37. 37.What time will it be 35 minutes after 9:50? (a) 10:15 (b) 9:25 (c) 10:25 (d) 11:25
  38. 38.What time will it be 20 minutes after 4:00? (a) 4:10 (b) 4:20 (c) 3:20 (d) 5:20
  39. 39.What time will it be 20 minutes after 8:40? (a) 8:00 (b) 8:50 (c) 10:00 (d) 9:00
  40. 40.What time was it 45 minutes before 9:25? (a) 7:40 (b) 8:40 (c) 8:50 (d) 9:40

Answer key

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

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