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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 180 · 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 30 minutes after 7:20? (a) 7:40 (b) 6:50 (c) 8:50 (d) 7:50
  2. 2.What time will it be 15 minutes after 10:30? (a) 9:45 (b) 10:45 (c) 10:35 (d) 11:45
  3. 3.What time will it be 20 minutes after 2:15? (a) 1:35 (b) 2:25 (c) 2:35 (d) 3:35
  4. 4.What time will it be 50 minutes after 7:50? (a) 9:40 (b) 7:40 (c) 8:40 (d) 8:30
  5. 5.What time was it 25 minutes before 4:10? (a) 4:45 (b) 3:45 (c) 2:45 (d) 3:55
  6. 6.What time will it be 20 minutes after 3:55? (a) 4:15 (b) 3:15 (c) 4:05 (d) 5:15
  7. 7.What time was it 55 minutes before 11:20? (a) 11:25 (b) 10:25 (c) 9:25 (d) 10:35
  8. 8.A film starts at 6:30 and ends at 7:10. How long is the film? (a) 40 min (b) 50 min (c) 1 h 40 min (d) 30 min
  9. 9.What time will it be 45 minutes after 10:35? (a) 10:20 (b) 12:20 (c) 11:20 (d) 11:10
  10. 10.What time will it be 25 minutes after 9:30? (a) 8:55 (b) 10:55 (c) 9:45 (d) 9:55
  11. 11.What time will it be 30 minutes after 9:40? (a) 11:10 (b) 10:10 (c) 9:10 (d) 10:00
  12. 12.What time was it 45 minutes before 4:50? (a) 4:15 (b) 5:05 (c) 3:05 (d) 4:05
  13. 13.What time will it be 35 minutes after 1:40? (a) 1:15 (b) 2:15 (c) 2:05 (d) 3:15
  14. 14.A film starts at 6:20 and ends at 7:15. How long is the film? (a) 45 min (b) 55 min (c) 1 h 55 min (d) 1 h 5 min
  15. 15.A film starts at 5:35 and ends at 6:20. How long is the film? (a) 35 min (b) 45 min (c) 55 min (d) 1 h 45 min
  16. 16.What time will it be 40 minutes after 2:00? (a) 2:30 (b) 3:40 (c) 1:40 (d) 2:40
  17. 17.What time will it be 40 minutes after 1:35? (a) 3:15 (b) 2:05 (c) 2:15 (d) 1:15
  18. 18.A film starts at 8:30 and ends at 10:15. How long is the film? (a) 2 h 45 min (b) 45 min (c) 1 h 45 min (d) 1 h 55 min
  19. 19.What time will it be 35 minutes after 2:35? (a) 4:10 (b) 3:10 (c) 2:10 (d) 3:00
  20. 20.What time will it be 50 minutes after 1:05? (a) 1:55 (b) 2:55 (c) 2:05 (d) 1:45
  21. 21.A film starts at 1:25 and ends at 4:05. How long is the film? (a) 2 h 50 min (b) 1 h 40 min (c) 2 h 40 min (d) 3 h 40 min
  22. 22.What time was it 20 minutes before 10:55? (a) 11:35 (b) 10:45 (c) 9:35 (d) 10:35
  23. 23.A film starts at 5:50 and ends at 6:25. How long is the film? (a) 25 min (b) 45 min (c) 1 h 35 min (d) 35 min
  24. 24.What time will it be 15 minutes after 1:35? (a) 2:00 (b) 2:50 (c) 1:40 (d) 1:50
  25. 25.What time was it 25 minutes before 4:50? (a) 5:25 (b) 3:25 (c) 4:35 (d) 4:25
  26. 26.What time will it be 50 minutes after 4:05? (a) 4:45 (b) 4:55 (c) 3:55 (d) 5:55
  27. 27.What time will it be 35 minutes after 9:10? (a) 8:45 (b) 10:45 (c) 9:35 (d) 9:45
  28. 28.What time was it 55 minutes before 10:00? (a) 9:15 (b) 8:05 (c) 9:05 (d) 10:05
  29. 29.A film starts at 2:30 and ends at 5:30. How long is the film? (a) 4 h (b) 3 h 10 min (c) 2 h (d) 3 h
  30. 30.What time will it be 25 minutes after 8:35? (a) 8:00 (b) 10:00 (c) 9:00 (d) 8:50
  31. 31.What time will it be 40 minutes after 5:20? (a) 6:00 (b) 7:00 (c) 5:50 (d) 5:00
  32. 32.What time was it 35 minutes before 6:45? (a) 5:10 (b) 6:20 (c) 6:10 (d) 7:10
  33. 33.What time was it 15 minutes before 8:10? (a) 7:55 (b) 8:55 (c) 6:55 (d) 8:05
  34. 34.A film starts at 8:15 and ends at 11:00. How long is the film? (a) 2 h 55 min (b) 1 h 45 min (c) 3 h 45 min (d) 2 h 45 min
  35. 35.A film starts at 1:50 and ends at 2:35. How long is the film? (a) 35 min (b) 1 h 45 min (c) 55 min (d) 45 min
  36. 36.What time will it be 30 minutes after 8:40? (a) 10:10 (b) 9:00 (c) 8:10 (d) 9:10
  37. 37.What time was it 15 minutes before 6:25? (a) 6:20 (b) 7:10 (c) 6:10 (d) 5:10
  38. 38.What time was it 40 minutes before 11:05? (a) 9:25 (b) 10:35 (c) 11:25 (d) 10:25
  39. 39.What time will it be 15 minutes after 5:00? (a) 4:15 (b) 5:15 (c) 5:05 (d) 6:15
  40. 40.What time will it be 15 minutes after 2:05? (a) 2:20 (b) 2:10 (c) 1:20 (d) 3:20

Answer key

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

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