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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 422 · 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 2:15? (a) 1:30 (b) 1:10 (c) 1:20 (d) 2:20
  2. 2.What time will it be 45 minutes after 3:55? (a) 5:40 (b) 4:40 (c) 4:30 (d) 3:40
  3. 3.What time will it be 50 minutes after 2:30? (a) 3:20 (b) 3:10 (c) 2:20 (d) 4:20
  4. 4.What time will it be 50 minutes after 4:35? (a) 5:25 (b) 6:25 (c) 4:25 (d) 5:15
  5. 5.What time was it 15 minutes before 5:05? (a) 5:50 (b) 4:50 (c) 5:00 (d) 3:50
  6. 6.A film starts at 5:25 and ends at 7:05. How long is the film? (a) 1 h 40 min (b) 40 min (c) 2 h 40 min (d) 1 h 50 min
  7. 7.A film starts at 5:50 and ends at 7:30. How long is the film? (a) 1 h 50 min (b) 2 h 40 min (c) 1 h 40 min (d) 40 min
  8. 8.What time was it 40 minutes before 10:50? (a) 11:10 (b) 10:10 (c) 10:20 (d) 9:10
  9. 9.A film starts at 1:25 and ends at 2:40. How long is the film? (a) 15 min (b) 2 h 15 min (c) 1 h 25 min (d) 1 h 15 min
  10. 10.What time will it be 20 minutes after 5:45? (a) 5:05 (b) 5:55 (c) 7:05 (d) 6:05
  11. 11.A film starts at 7:25 and ends at 9:55. How long is the film? (a) 2 h 40 min (b) 1 h 30 min (c) 3 h 30 min (d) 2 h 30 min
  12. 12.What time will it be 55 minutes after 9:10? (a) 9:05 (b) 11:05 (c) 9:55 (d) 10:05
  13. 13.What time was it 15 minutes before 9:35? (a) 10:20 (b) 9:20 (c) 9:30 (d) 8:20
  14. 14.What time will it be 55 minutes after 10:25? (a) 11:20 (b) 10:20 (c) 11:10 (d) 12:20
  15. 15.What time was it 55 minutes before 2:20? (a) 1:25 (b) 1:35 (c) 1:15 (d) 2:25
  16. 16.What time will it be 30 minutes after 7:10? (a) 8:40 (b) 6:40 (c) 7:40 (d) 7:30
  17. 17.What time will it be 20 minutes after 6:50? (a) 8:10 (b) 6:10 (c) 7:00 (d) 7:10
  18. 18.What time was it 20 minutes before 8:25? (a) 8:15 (b) 8:05 (c) 9:05 (d) 7:05
  19. 19.What time was it 25 minutes before 11:25? (a) 11:10 (b) 12:00 (c) 10:00 (d) 11:00
  20. 20.A film starts at 1:20 and ends at 2:10. How long is the film? (a) 50 min (b) 1 h (c) 1 h 50 min (d) 40 min
  21. 21.What time will it be 20 minutes after 6:55? (a) 7:15 (b) 6:15 (c) 7:05 (d) 8:15
  22. 22.What time was it 50 minutes before 3:40? (a) 3:00 (b) 2:50 (c) 3:50 (d) 1:50
  23. 23.What time will it be 45 minutes after 3:50? (a) 4:25 (b) 4:35 (c) 5:35 (d) 3:35
  24. 24.What time was it 30 minutes before 9:00? (a) 8:30 (b) 9:30 (c) 8:40 (d) 7:30
  25. 25.What time was it 40 minutes before 7:00? (a) 7:20 (b) 6:20 (c) 5:20 (d) 6:30
  26. 26.What time will it be 30 minutes after 3:35? (a) 3:55 (b) 3:05 (c) 5:05 (d) 4:05
  27. 27.What time was it 20 minutes before 9:05? (a) 8:55 (b) 8:45 (c) 7:45 (d) 9:45
  28. 28.What time was it 55 minutes before 10:10? (a) 8:15 (b) 9:25 (c) 10:15 (d) 9:15
  29. 29.What time was it 15 minutes before 9:15? (a) 9:00 (b) 10:00 (c) 8:00 (d) 9:10
  30. 30.What time will it be 20 minutes after 10:00? (a) 11:20 (b) 10:20 (c) 9:20 (d) 10:10
  31. 31.What time will it be 20 minutes after 5:00? (a) 6:20 (b) 5:20 (c) 5:10 (d) 4:20
  32. 32.What time was it 15 minutes before 3:25? (a) 2:10 (b) 4:10 (c) 3:10 (d) 3:20
  33. 33.A film starts at 4:25 and ends at 6:40. How long is the film? (a) 2 h 15 min (b) 1 h 15 min (c) 2 h 25 min (d) 3 h 15 min
  34. 34.What time will it be 25 minutes after 5:40? (a) 7:05 (b) 5:05 (c) 5:55 (d) 6:05
  35. 35.What time will it be 55 minutes after 1:15? (a) 1:10 (b) 3:10 (c) 2:10 (d) 2:00
  36. 36.What time was it 25 minutes before 7:55? (a) 7:30 (b) 8:30 (c) 6:30 (d) 7:40
  37. 37.What time was it 55 minutes before 10:25? (a) 9:30 (b) 10:30 (c) 9:40 (d) 8:30
  38. 38.What time will it be 50 minutes after 1:30? (a) 1:20 (b) 2:20 (c) 2:10 (d) 3:20
  39. 39.A film starts at 1:35 and ends at 3:00. How long is the film? (a) 25 min (b) 1 h 25 min (c) 1 h 35 min (d) 2 h 25 min
  40. 40.What time will it be 40 minutes after 8:25? (a) 9:05 (b) 10:05 (c) 8:05 (d) 8:55

Answer key

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

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