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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 907 · 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 45 minutes before 4:00? (a) 4:15 (b) 2:15 (c) 3:15 (d) 3:25
  2. 2.What time was it 20 minutes before 10:10? (a) 8:50 (b) 9:50 (c) 10:50 (d) 10:00
  3. 3.What time was it 35 minutes before 8:05? (a) 7:30 (b) 8:30 (c) 7:40 (d) 6:30
  4. 4.A film starts at 3:05 and ends at 4:15. How long is the film? (a) 1 h 20 min (b) 1 h 10 min (c) 10 min (d) 2 h 10 min
  5. 5.What time will it be 50 minutes after 8:20? (a) 10:10 (b) 8:10 (c) 9:00 (d) 9:10
  6. 6.What time was it 20 minutes before 8:35? (a) 8:15 (b) 7:15 (c) 8:25 (d) 9:15
  7. 7.What time will it be 25 minutes after 4:10? (a) 5:35 (b) 4:25 (c) 3:35 (d) 4:35
  8. 8.What time was it 15 minutes before 7:50? (a) 6:35 (b) 7:45 (c) 8:35 (d) 7:35
  9. 9.What time will it be 45 minutes after 3:35? (a) 4:10 (b) 3:20 (c) 4:20 (d) 5:20
  10. 10.What time was it 20 minutes before 11:10? (a) 11:50 (b) 10:50 (c) 9:50 (d) 11:00
  11. 11.What time was it 35 minutes before 5:10? (a) 4:45 (b) 4:35 (c) 5:35 (d) 3:35
  12. 12.What time will it be 40 minutes after 6:55? (a) 8:35 (b) 7:25 (c) 6:35 (d) 7:35
  13. 13.A film starts at 3:10 and ends at 5:15. How long is the film? (a) 3 h 5 min (b) 1 h 5 min (c) 2 h 5 min (d) 2 h 15 min
  14. 14.What time will it be 35 minutes after 7:45? (a) 7:20 (b) 8:10 (c) 8:20 (d) 9:20
  15. 15.What time will it be 20 minutes after 9:50? (a) 9:10 (b) 11:10 (c) 10:10 (d) 10:00
  16. 16.What time will it be 20 minutes after 1:10? (a) 2:30 (b) 1:30 (c) 1:20 (d) 1:40
  17. 17.What time was it 55 minutes before 5:30? (a) 4:35 (b) 5:35 (c) 4:45 (d) 3:35
  18. 18.What time was it 55 minutes before 9:35? (a) 8:40 (b) 7:40 (c) 9:40 (d) 8:50
  19. 19.What time was it 30 minutes before 9:05? (a) 9:35 (b) 7:35 (c) 8:35 (d) 8:45
  20. 20.What time was it 30 minutes before 3:00? (a) 2:30 (b) 2:40 (c) 3:30 (d) 1:30
  21. 21.What time will it be 45 minutes after 1:55? (a) 3:40 (b) 1:40 (c) 2:30 (d) 2:40
  22. 22.What time will it be 55 minutes after 4:35? (a) 6:30 (b) 5:20 (c) 5:30 (d) 4:30
  23. 23.What time was it 15 minutes before 10:30? (a) 10:15 (b) 11:15 (c) 10:25 (d) 9:15
  24. 24.What time was it 15 minutes before 5:00? (a) 4:55 (b) 3:45 (c) 5:45 (d) 4:45
  25. 25.What time will it be 55 minutes after 2:00? (a) 2:45 (b) 3:55 (c) 1:55 (d) 2:55
  26. 26.What time was it 15 minutes before 9:30? (a) 9:25 (b) 10:15 (c) 8:15 (d) 9:15
  27. 27.A film starts at 1:55 and ends at 3:15. How long is the film? (a) 2 h 20 min (b) 1 h 30 min (c) 20 min (d) 1 h 20 min
  28. 28.What time was it 30 minutes before 3:55? (a) 4:25 (b) 3:35 (c) 3:25 (d) 2:25
  29. 29.What time was it 40 minutes before 3:35? (a) 1:55 (b) 3:55 (c) 3:05 (d) 2:55
  30. 30.What time was it 40 minutes before 9:50? (a) 9:20 (b) 8:10 (c) 9:10 (d) 10:10
  31. 31.What time was it 40 minutes before 11:35? (a) 11:55 (b) 11:05 (c) 9:55 (d) 10:55
  32. 32.What time was it 40 minutes before 2:20? (a) 1:50 (b) 2:40 (c) 1:30 (d) 1:40
  33. 33.What time was it 40 minutes before 5:00? (a) 3:20 (b) 4:20 (c) 4:30 (d) 5:20
  34. 34.A film starts at 8:50 and ends at 10:45. How long is the film? (a) 55 min (b) 1 h 55 min (c) 2 h 5 min (d) 2 h 55 min
  35. 35.What time was it 25 minutes before 11:00? (a) 11:35 (b) 10:45 (c) 9:35 (d) 10:35
  36. 36.A film starts at 4:10 and ends at 4:35. How long is the film? (a) 35 min (b) 1 h 25 min (c) 25 min (d) 15 min
  37. 37.What time was it 15 minutes before 2:25? (a) 3:10 (b) 2:20 (c) 1:10 (d) 2:10
  38. 38.What time was it 45 minutes before 4:25? (a) 2:40 (b) 3:50 (c) 4:40 (d) 3:40
  39. 39.A film starts at 7:40 and ends at 9:55. How long is the film? (a) 2 h 25 min (b) 1 h 15 min (c) 3 h 15 min (d) 2 h 15 min
  40. 40.What time will it be 40 minutes after 10:20? (a) 12:00 (b) 11:00 (c) 10:50 (d) 10:00

Answer key

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

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