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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 181 · 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 35 minutes after 8:55? (a) 10:30 (b) 9:30 (c) 8:30 (d) 9:20
  2. 2.What time will it be 25 minutes after 9:05? (a) 9:20 (b) 8:30 (c) 9:30 (d) 10:30
  3. 3.What time will it be 35 minutes after 9:50? (a) 10:25 (b) 11:25 (c) 10:15 (d) 9:25
  4. 4.What time will it be 15 minutes after 6:15? (a) 7:30 (b) 6:30 (c) 6:20 (d) 5:30
  5. 5.A film starts at 3:50 and ends at 5:00. How long is the film? (a) 1 h 20 min (b) 1 h 10 min (c) 2 h 10 min (d) 10 min
  6. 6.What time was it 45 minutes before 3:05? (a) 3:20 (b) 1:20 (c) 2:20 (d) 2:30
  7. 7.What time will it be 25 minutes after 10:30? (a) 9:55 (b) 10:55 (c) 10:45 (d) 11:55
  8. 8.What time will it be 15 minutes after 6:55? (a) 6:10 (b) 8:10 (c) 7:10 (d) 7:00
  9. 9.What time will it be 20 minutes after 6:30? (a) 7:50 (b) 5:50 (c) 6:50 (d) 6:40
  10. 10.What time was it 20 minutes before 11:00? (a) 11:40 (b) 10:50 (c) 9:40 (d) 10:40
  11. 11.A film starts at 2:45 and ends at 4:10. How long is the film? (a) 1 h 35 min (b) 25 min (c) 2 h 25 min (d) 1 h 25 min
  12. 12.What time was it 20 minutes before 3:40? (a) 3:30 (b) 2:20 (c) 4:20 (d) 3:20
  13. 13.What time was it 35 minutes before 2:25? (a) 1:40 (b) 2:00 (c) 2:50 (d) 1:50
  14. 14.What time will it be 40 minutes after 2:00? (a) 2:40 (b) 2:30 (c) 3:40 (d) 1:40
  15. 15.A film starts at 6:40 and ends at 7:15. How long is the film? (a) 1 h 35 min (b) 45 min (c) 35 min (d) 25 min
  16. 16.What time was it 15 minutes before 6:50? (a) 5:35 (b) 6:45 (c) 6:35 (d) 7:35
  17. 17.What time will it be 30 minutes after 9:20? (a) 9:40 (b) 9:50 (c) 8:50 (d) 10:50
  18. 18.What time was it 35 minutes before 9:05? (a) 9:30 (b) 8:30 (c) 8:40 (d) 7:30
  19. 19.A film starts at 3:00 and ends at 5:40. How long is the film? (a) 2 h 40 min (b) 1 h 40 min (c) 3 h 40 min (d) 2 h 50 min
  20. 20.A film starts at 4:05 and ends at 7:00. How long is the film? (a) 2 h 55 min (b) 3 h 5 min (c) 1 h 55 min (d) 3 h 55 min
  21. 21.What time will it be 25 minutes after 6:00? (a) 6:25 (b) 5:25 (c) 6:15 (d) 7:25
  22. 22.A film starts at 7:25 and ends at 9:40. How long is the film? (a) 2 h 25 min (b) 3 h 15 min (c) 2 h 15 min (d) 1 h 15 min
  23. 23.A film starts at 7:20 and ends at 7:50. How long is the film? (a) 40 min (b) 20 min (c) 1 h 30 min (d) 30 min
  24. 24.What time was it 20 minutes before 6:20? (a) 6:00 (b) 7:00 (c) 5:00 (d) 6:10
  25. 25.A film starts at 6:40 and ends at 7:30. How long is the film? (a) 50 min (b) 1 h 50 min (c) 1 h (d) 40 min
  26. 26.What time was it 25 minutes before 6:30? (a) 6:15 (b) 7:05 (c) 6:05 (d) 5:05
  27. 27.A film starts at 4:40 and ends at 6:20. How long is the film? (a) 1 h 40 min (b) 2 h 40 min (c) 1 h 50 min (d) 40 min
  28. 28.What time was it 45 minutes before 10:55? (a) 9:10 (b) 11:10 (c) 10:20 (d) 10:10
  29. 29.What time will it be 45 minutes after 5:15? (a) 5:50 (b) 7:00 (c) 6:00 (d) 5:00
  30. 30.A film starts at 7:00 and ends at 9:30. How long is the film? (a) 1 h 30 min (b) 3 h 30 min (c) 2 h 30 min (d) 2 h 40 min
  31. 31.What time was it 15 minutes before 3:10? (a) 3:55 (b) 3:05 (c) 1:55 (d) 2:55
  32. 32.What time was it 20 minutes before 11:55? (a) 11:35 (b) 10:35 (c) 11:45 (d) 12:35
  33. 33.What time was it 45 minutes before 9:30? (a) 9:45 (b) 7:45 (c) 8:55 (d) 8:45
  34. 34.What time will it be 25 minutes after 3:40? (a) 4:05 (b) 5:05 (c) 3:05 (d) 3:55
  35. 35.What time will it be 15 minutes after 3:25? (a) 4:40 (b) 3:40 (c) 3:30 (d) 2:40
  36. 36.What time was it 35 minutes before 11:05? (a) 10:30 (b) 10:40 (c) 11:30 (d) 9:30
  37. 37.What time will it be 20 minutes after 6:35? (a) 7:55 (b) 6:55 (c) 5:55 (d) 6:45
  38. 38.What time will it be 20 minutes after 8:20? (a) 8:30 (b) 9:40 (c) 8:40 (d) 7:40
  39. 39.What time was it 35 minutes before 10:15? (a) 10:40 (b) 8:40 (c) 9:50 (d) 9:40
  40. 40.What time will it be 40 minutes after 1:05? (a) 2:45 (b) 1:55 (c) 1:45 (d) 1:35

Answer key

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

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