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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 351 · 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 20 minutes after 9:00? (a) 8:20 (b) 9:10 (c) 10:20 (d) 9:20
  2. 2.What time will it be 50 minutes after 9:40? (a) 11:30 (b) 9:30 (c) 10:20 (d) 10:30
  3. 3.What time will it be 30 minutes after 3:55? (a) 3:25 (b) 5:25 (c) 4:25 (d) 4:15
  4. 4.A film starts at 7:10 and ends at 9:25. How long is the film? (a) 3 h 15 min (b) 2 h 15 min (c) 2 h 25 min (d) 1 h 15 min
  5. 5.What time will it be 40 minutes after 1:00? (a) 2:40 (b) 1:30 (c) 1:40 (d) 1:50
  6. 6.What time will it be 35 minutes after 7:10? (a) 6:45 (b) 7:35 (c) 8:45 (d) 7:45
  7. 7.A film starts at 2:15 and ends at 4:50. How long is the film? (a) 3 h 35 min (b) 2 h 45 min (c) 1 h 35 min (d) 2 h 35 min
  8. 8.What time will it be 45 minutes after 2:35? (a) 3:10 (b) 3:20 (c) 2:20 (d) 4:20
  9. 9.What time was it 40 minutes before 9:40? (a) 9:10 (b) 8:00 (c) 9:00 (d) 10:00
  10. 10.What time will it be 50 minutes after 9:15? (a) 11:05 (b) 9:05 (c) 10:05 (d) 9:55
  11. 11.What time was it 50 minutes before 4:45? (a) 2:55 (b) 4:55 (c) 4:05 (d) 3:55
  12. 12.A film starts at 4:40 and ends at 7:25. How long is the film? (a) 1 h 45 min (b) 2 h 55 min (c) 2 h 45 min (d) 3 h 45 min
  13. 13.A film starts at 6:30 and ends at 8:05. How long is the film? (a) 1 h 35 min (b) 2 h 35 min (c) 1 h 45 min (d) 35 min
  14. 14.What time will it be 35 minutes after 9:50? (a) 10:15 (b) 10:25 (c) 9:25 (d) 11:25
  15. 15.What time was it 55 minutes before 5:35? (a) 5:40 (b) 4:50 (c) 4:40 (d) 3:40
  16. 16.What time was it 30 minutes before 6:35? (a) 6:05 (b) 7:05 (c) 5:05 (d) 6:15
  17. 17.What time was it 35 minutes before 6:10? (a) 4:35 (b) 5:35 (c) 6:35 (d) 5:45
  18. 18.What time will it be 20 minutes after 5:35? (a) 5:55 (b) 4:55 (c) 6:55 (d) 5:45
  19. 19.A film starts at 5:05 and ends at 5:30. How long is the film? (a) 1 h 25 min (b) 25 min (c) 15 min (d) 35 min
  20. 20.What time will it be 55 minutes after 2:15? (a) 4:10 (b) 3:10 (c) 3:00 (d) 2:10
  21. 21.What time will it be 40 minutes after 3:50? (a) 3:30 (b) 4:20 (c) 5:30 (d) 4:30
  22. 22.A film starts at 7:55 and ends at 8:45. How long is the film? (a) 50 min (b) 40 min (c) 1 h (d) 1 h 50 min
  23. 23.What time will it be 55 minutes after 4:25? (a) 4:20 (b) 6:20 (c) 5:10 (d) 5:20
  24. 24.What time will it be 35 minutes after 5:05? (a) 5:30 (b) 4:40 (c) 5:40 (d) 6:40
  25. 25.What time was it 15 minutes before 11:50? (a) 11:35 (b) 10:35 (c) 12:35 (d) 11:45
  26. 26.What time was it 30 minutes before 10:45? (a) 9:15 (b) 10:15 (c) 10:25 (d) 11:15
  27. 27.What time will it be 50 minutes after 1:00? (a) 1:40 (b) 1:50 (c) 2:50 (d) 2:00
  28. 28.A film starts at 6:05 and ends at 7:35. How long is the film? (a) 30 min (b) 1 h 30 min (c) 2 h 30 min (d) 1 h 40 min
  29. 29.What time was it 25 minutes before 10:30? (a) 9:05 (b) 10:15 (c) 10:05 (d) 11:05
  30. 30.What time will it be 30 minutes after 4:40? (a) 4:10 (b) 5:10 (c) 6:10 (d) 5:00
  31. 31.What time will it be 20 minutes after 7:25? (a) 7:45 (b) 7:35 (c) 8:45 (d) 6:45
  32. 32.A film starts at 5:45 and ends at 6:20. How long is the film? (a) 1 h 35 min (b) 45 min (c) 35 min (d) 25 min
  33. 33.What time will it be 45 minutes after 2:00? (a) 3:45 (b) 2:45 (c) 2:35 (d) 1:45
  34. 34.What time was it 15 minutes before 2:15? (a) 3:00 (b) 2:00 (c) 1:00 (d) 2:10
  35. 35.What time will it be 25 minutes after 2:10? (a) 2:35 (b) 3:35 (c) 1:35 (d) 2:25
  36. 36.What time will it be 25 minutes after 9:15? (a) 10:40 (b) 9:30 (c) 8:40 (d) 9:40
  37. 37.What time was it 40 minutes before 6:45? (a) 7:05 (b) 6:15 (c) 5:05 (d) 6:05
  38. 38.What time was it 15 minutes before 11:05? (a) 11:00 (b) 9:50 (c) 10:50 (d) 11:50
  39. 39.What time will it be 25 minutes after 7:10? (a) 7:35 (b) 8:35 (c) 7:25 (d) 6:35
  40. 40.A film starts at 7:40 and ends at 9:00. How long is the film? (a) 2 h 20 min (b) 20 min (c) 1 h 20 min (d) 1 h 30 min

Answer key

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

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