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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 210 · 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 15 minutes after 10:00? (a) 10:05 (b) 9:15 (c) 10:15 (d) 11:15
  2. 2.A film starts at 3:30 and ends at 4:55. How long is the film? (a) 25 min (b) 1 h 25 min (c) 1 h 35 min (d) 2 h 25 min
  3. 3.A film starts at 3:45 and ends at 5:20. How long is the film? (a) 1 h 35 min (b) 2 h 35 min (c) 35 min (d) 1 h 45 min
  4. 4.A film starts at 2:45 and ends at 4:10. How long is the film? (a) 1 h 35 min (b) 1 h 25 min (c) 2 h 25 min (d) 25 min
  5. 5.What time will it be 35 minutes after 5:15? (a) 5:50 (b) 4:50 (c) 5:40 (d) 6:50
  6. 6.What time was it 40 minutes before 7:10? (a) 6:40 (b) 5:30 (c) 6:30 (d) 7:30
  7. 7.A film starts at 6:35 and ends at 8:45. How long is the film? (a) 3 h 10 min (b) 1 h 10 min (c) 2 h 10 min (d) 2 h 20 min
  8. 8.What time was it 15 minutes before 8:15? (a) 9:00 (b) 8:10 (c) 7:00 (d) 8:00
  9. 9.What time was it 35 minutes before 2:25? (a) 1:40 (b) 1:50 (c) 2:50 (d) 2:00
  10. 10.A film starts at 2:55 and ends at 3:50. How long is the film? (a) 1 h 55 min (b) 45 min (c) 1 h 5 min (d) 55 min
  11. 11.What time will it be 30 minutes after 10:40? (a) 10:10 (b) 12:10 (c) 11:00 (d) 11:10
  12. 12.What time was it 25 minutes before 3:25? (a) 2:00 (b) 4:00 (c) 3:10 (d) 3:00
  13. 13.A film starts at 2:35 and ends at 5:05. How long is the film? (a) 2 h 40 min (b) 2 h 30 min (c) 1 h 30 min (d) 3 h 30 min
  14. 14.What time will it be 45 minutes after 8:00? (a) 7:45 (b) 8:45 (c) 9:45 (d) 8:35
  15. 15.What time was it 50 minutes before 8:20? (a) 7:30 (b) 6:30 (c) 7:40 (d) 8:30
  16. 16.What time was it 35 minutes before 5:40? (a) 4:05 (b) 5:15 (c) 6:05 (d) 5:05
  17. 17.A film starts at 5:45 and ends at 7:20. How long is the film? (a) 1 h 45 min (b) 35 min (c) 2 h 35 min (d) 1 h 35 min
  18. 18.What time will it be 50 minutes after 8:35? (a) 9:25 (b) 8:25 (c) 10:25 (d) 9:15
  19. 19.What time was it 30 minutes before 9:50? (a) 9:30 (b) 10:20 (c) 8:20 (d) 9:20
  20. 20.What time will it be 50 minutes after 7:05? (a) 6:55 (b) 7:55 (c) 7:45 (d) 8:55
  21. 21.What time will it be 20 minutes after 8:55? (a) 10:15 (b) 9:05 (c) 8:15 (d) 9:15
  22. 22.What time will it be 50 minutes after 6:10? (a) 7:00 (b) 6:00 (c) 6:50 (d) 8:00
  23. 23.What time was it 25 minutes before 11:15? (a) 9:50 (b) 10:50 (c) 11:50 (d) 11:00
  24. 24.A film starts at 4:25 and ends at 5:45. How long is the film? (a) 2 h 20 min (b) 20 min (c) 1 h 20 min (d) 1 h 30 min
  25. 25.What time will it be 25 minutes after 4:00? (a) 5:25 (b) 4:25 (c) 3:25 (d) 4:15
  26. 26.What time was it 25 minutes before 3:35? (a) 3:10 (b) 3:20 (c) 2:10 (d) 4:10
  27. 27.What time will it be 35 minutes after 1:00? (a) 1:35 (b) 1:45 (c) 1:25 (d) 2:35
  28. 28.What time will it be 50 minutes after 1:05? (a) 1:55 (b) 2:55 (c) 1:45 (d) 2:05
  29. 29.What time will it be 55 minutes after 7:00? (a) 7:55 (b) 8:55 (c) 6:55 (d) 7:45
  30. 30.A film starts at 8:15 and ends at 9:15. How long is the film? (a) 1 h (b) 2 h (c) 50 min (d) 1 h 10 min
  31. 31.A film starts at 4:05 and ends at 6:15. How long is the film? (a) 3 h 10 min (b) 1 h 10 min (c) 2 h 20 min (d) 2 h 10 min
  32. 32.What time will it be 30 minutes after 2:50? (a) 3:10 (b) 3:20 (c) 2:20 (d) 4:20
  33. 33.A film starts at 2:55 and ends at 4:05. How long is the film? (a) 1 h 10 min (b) 10 min (c) 2 h 10 min (d) 1 h 20 min
  34. 34.What time was it 40 minutes before 9:50? (a) 10:10 (b) 8:10 (c) 9:20 (d) 9:10
  35. 35.What time will it be 55 minutes after 3:20? (a) 5:15 (b) 3:15 (c) 4:05 (d) 4:15
  36. 36.What time was it 45 minutes before 4:55? (a) 4:20 (b) 3:10 (c) 4:10 (d) 5:10
  37. 37.What time was it 25 minutes before 2:35? (a) 3:10 (b) 1:10 (c) 2:10 (d) 2:20
  38. 38.A film starts at 3:25 and ends at 6:25. How long is the film? (a) 2 h (b) 3 h 10 min (c) 4 h (d) 3 h
  39. 39.What time will it be 45 minutes after 3:05? (a) 2:50 (b) 4:50 (c) 3:40 (d) 3:50
  40. 40.What time will it be 55 minutes after 5:15? (a) 5:10 (b) 6:10 (c) 7:10 (d) 6:00

Answer key

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

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