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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 608 · 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 25 minutes after 10:05? (a) 10:20 (b) 10:30 (c) 9:30 (d) 11:30
  2. 2.What time was it 30 minutes before 11:40? (a) 10:10 (b) 12:10 (c) 11:10 (d) 11:20
  3. 3.What time was it 30 minutes before 9:40? (a) 9:20 (b) 8:10 (c) 10:10 (d) 9:10
  4. 4.A film starts at 4:05 and ends at 6:10. How long is the film? (a) 2 h 15 min (b) 1 h 5 min (c) 3 h 5 min (d) 2 h 5 min
  5. 5.What time will it be 20 minutes after 2:45? (a) 4:05 (b) 2:05 (c) 2:55 (d) 3:05
  6. 6.What time was it 50 minutes before 4:35? (a) 3:55 (b) 4:45 (c) 3:45 (d) 2:45
  7. 7.What time will it be 40 minutes after 2:50? (a) 4:30 (b) 3:20 (c) 3:30 (d) 2:30
  8. 8.What time was it 15 minutes before 3:25? (a) 2:10 (b) 3:20 (c) 4:10 (d) 3:10
  9. 9.What time was it 45 minutes before 10:45? (a) 10:00 (b) 9:00 (c) 11:00 (d) 10:10
  10. 10.What time was it 45 minutes before 11:20? (a) 10:35 (b) 10:45 (c) 9:35 (d) 11:35
  11. 11.What time was it 15 minutes before 8:35? (a) 8:30 (b) 8:20 (c) 7:20 (d) 9:20
  12. 12.What time will it be 40 minutes after 3:40? (a) 4:10 (b) 4:20 (c) 3:20 (d) 5:20
  13. 13.What time was it 15 minutes before 9:40? (a) 10:25 (b) 8:25 (c) 9:25 (d) 9:35
  14. 14.What time will it be 35 minutes after 2:00? (a) 2:35 (b) 2:25 (c) 3:35 (d) 1:35
  15. 15.What time was it 50 minutes before 10:15? (a) 10:25 (b) 9:35 (c) 8:25 (d) 9:25
  16. 16.What time will it be 25 minutes after 5:45? (a) 6:10 (b) 6:00 (c) 7:10 (d) 5:10
  17. 17.What time was it 20 minutes before 8:10? (a) 8:50 (b) 8:00 (c) 7:50 (d) 6:50
  18. 18.What time will it be 20 minutes after 3:10? (a) 2:30 (b) 3:30 (c) 3:20 (d) 4:30
  19. 19.A film starts at 8:25 and ends at 10:30. How long is the film? (a) 2 h 5 min (b) 3 h 5 min (c) 1 h 5 min (d) 2 h 15 min
  20. 20.A film starts at 4:05 and ends at 4:45. How long is the film? (a) 30 min (b) 1 h 40 min (c) 50 min (d) 40 min
  21. 21.A film starts at 4:10 and ends at 7:05. 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
  22. 22.What time will it be 30 minutes after 1:25? (a) 2:05 (b) 2:55 (c) 1:45 (d) 1:55
  23. 23.A film starts at 4:35 and ends at 7:20. How long is the film? (a) 3 h 45 min (b) 1 h 45 min (c) 2 h 55 min (d) 2 h 45 min
  24. 24.What time was it 40 minutes before 2:10? (a) 2:30 (b) 1:20 (c) 1:40 (d) 1:30
  25. 25.What time will it be 30 minutes after 1:10? (a) 1:40 (b) 1:50 (c) 2:40 (d) 1:30
  26. 26.What time was it 55 minutes before 6:50? (a) 5:55 (b) 4:55 (c) 6:05 (d) 6:55
  27. 27.What time will it be 40 minutes after 2:40? (a) 2:20 (b) 4:20 (c) 3:10 (d) 3:20
  28. 28.What time will it be 30 minutes after 7:50? (a) 8:20 (b) 7:20 (c) 9:20 (d) 8:10
  29. 29.What time will it be 15 minutes after 8:40? (a) 7:55 (b) 8:55 (c) 8:45 (d) 9:55
  30. 30.What time was it 15 minutes before 7:15? (a) 8:00 (b) 6:00 (c) 7:00 (d) 7:10
  31. 31.What time was it 45 minutes before 7:40? (a) 7:05 (b) 7:55 (c) 6:55 (d) 5:55
  32. 32.What time will it be 25 minutes after 10:00? (a) 11:25 (b) 9:25 (c) 10:25 (d) 10:15
  33. 33.What time was it 35 minutes before 10:40? (a) 11:05 (b) 10:05 (c) 9:05 (d) 10:15
  34. 34.What time was it 20 minutes before 8:05? (a) 7:55 (b) 6:45 (c) 7:45 (d) 8:45
  35. 35.A film starts at 1:50 and ends at 3:30. How long is the film? (a) 2 h 40 min (b) 1 h 50 min (c) 1 h 40 min (d) 40 min
  36. 36.A film starts at 4:10 and ends at 5:40. How long is the film? (a) 1 h 30 min (b) 2 h 30 min (c) 30 min (d) 1 h 40 min
  37. 37.What time was it 35 minutes before 6:40? (a) 5:05 (b) 7:05 (c) 6:05 (d) 6:15
  38. 38.A film starts at 4:20 and ends at 6:15. How long is the film? (a) 2 h 55 min (b) 1 h 55 min (c) 2 h 5 min (d) 55 min
  39. 39.What time will it be 20 minutes after 3:30? (a) 2:50 (b) 3:50 (c) 3:40 (d) 4:50
  40. 40.What time will it be 40 minutes after 5:05? (a) 5:35 (b) 6:45 (c) 5:45 (d) 4:45

Answer key

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

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