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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 974 · 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 1:15? (a) 1:40 (b) 1:30 (c) 2:30 (d) 1:20
  2. 2.What time will it be 50 minutes after 2:15? (a) 3:05 (b) 2:55 (c) 4:05 (d) 2:05
  3. 3.What time will it be 40 minutes after 3:20? (a) 3:00 (b) 3:50 (c) 4:00 (d) 5:00
  4. 4.What time will it be 45 minutes after 7:35? (a) 8:10 (b) 7:20 (c) 9:20 (d) 8:20
  5. 5.What time will it be 35 minutes after 4:10? (a) 4:45 (b) 4:35 (c) 5:45 (d) 3:45
  6. 6.What time will it be 45 minutes after 1:05? (a) 1:40 (b) 1:50 (c) 2:00 (d) 2:50
  7. 7.What time was it 30 minutes before 2:30? (a) 1:00 (b) 2:10 (c) 3:00 (d) 2:00
  8. 8.A film starts at 4:50 and ends at 5:50. How long is the film? (a) 2 h (b) 1 h 10 min (c) 1 h (d) 50 min
  9. 9.A film starts at 2:20 and ends at 3:35. How long is the film? (a) 1 h 25 min (b) 2 h 15 min (c) 1 h 15 min (d) 15 min
  10. 10.What time will it be 45 minutes after 3:00? (a) 4:45 (b) 2:45 (c) 3:35 (d) 3:45
  11. 11.What time will it be 50 minutes after 1:00? (a) 2:50 (b) 1:40 (c) 1:50 (d) 2:00
  12. 12.What time was it 45 minutes before 6:50? (a) 5:05 (b) 7:05 (c) 6:15 (d) 6:05
  13. 13.What time was it 15 minutes before 3:05? (a) 2:50 (b) 1:50 (c) 3:50 (d) 3:00
  14. 14.What time will it be 40 minutes after 3:05? (a) 3:35 (b) 3:45 (c) 2:45 (d) 4:45
  15. 15.What time was it 40 minutes before 11:05? (a) 11:25 (b) 10:35 (c) 10:25 (d) 9:25
  16. 16.What time will it be 15 minutes after 6:40? (a) 7:55 (b) 5:55 (c) 6:55 (d) 6:45
  17. 17.What time was it 25 minutes before 2:45? (a) 2:20 (b) 2:30 (c) 3:20 (d) 1:20
  18. 18.What time was it 30 minutes before 11:20? (a) 10:50 (b) 11:00 (c) 9:50 (d) 11:50
  19. 19.A film starts at 5:10 and ends at 5:30. How long is the film? (a) 1 h 20 min (b) 30 min (c) 20 min (d) 10 min
  20. 20.A film starts at 4:20 and ends at 5:50. How long is the film? (a) 2 h 30 min (b) 30 min (c) 1 h 30 min (d) 1 h 40 min
  21. 21.What time will it be 15 minutes after 3:05? (a) 2:20 (b) 4:20 (c) 3:20 (d) 3:10
  22. 22.What time will it be 25 minutes after 9:00? (a) 9:25 (b) 9:15 (c) 10:25 (d) 8:25
  23. 23.What time was it 30 minutes before 5:50? (a) 6:20 (b) 5:30 (c) 4:20 (d) 5:20
  24. 24.What time was it 20 minutes before 11:20? (a) 10:00 (b) 11:10 (c) 12:00 (d) 11:00
  25. 25.What time was it 35 minutes before 3:25? (a) 3:50 (b) 1:50 (c) 2:50 (d) 3:00
  26. 26.What time will it be 45 minutes after 5:40? (a) 5:25 (b) 7:25 (c) 6:25 (d) 6:15
  27. 27.What time was it 15 minutes before 9:15? (a) 9:00 (b) 9:10 (c) 10:00 (d) 8:00
  28. 28.What time will it be 45 minutes after 8:40? (a) 9:25 (b) 9:15 (c) 8:25 (d) 10:25
  29. 29.What time will it be 35 minutes after 10:25? (a) 10:50 (b) 12:00 (c) 11:00 (d) 10:00
  30. 30.A film starts at 2:40 and ends at 5:00. How long is the film? (a) 3 h 20 min (b) 2 h 30 min (c) 2 h 20 min (d) 1 h 20 min
  31. 31.A film starts at 3:20 and ends at 3:50. How long is the film? (a) 40 min (b) 1 h 30 min (c) 20 min (d) 30 min
  32. 32.What time will it be 45 minutes after 9:30? (a) 9:15 (b) 10:15 (c) 11:15 (d) 10:05
  33. 33.What time was it 15 minutes before 8:30? (a) 9:15 (b) 8:25 (c) 8:15 (d) 7:15
  34. 34.What time will it be 55 minutes after 9:55? (a) 10:50 (b) 9:50 (c) 10:40 (d) 11:50
  35. 35.What time was it 40 minutes before 4:10? (a) 4:30 (b) 3:40 (c) 3:30 (d) 2:30
  36. 36.What time was it 25 minutes before 5:35? (a) 4:10 (b) 5:10 (c) 6:10 (d) 5:20
  37. 37.What time was it 40 minutes before 6:05? (a) 5:35 (b) 6:25 (c) 5:25 (d) 4:25
  38. 38.A film starts at 7:05 and ends at 7:55. How long is the film? (a) 1 h 50 min (b) 1 h (c) 40 min (d) 50 min
  39. 39.What time was it 20 minutes before 2:30? (a) 2:10 (b) 2:20 (c) 1:10 (d) 3:10
  40. 40.What time was it 35 minutes before 10:45? (a) 10:20 (b) 9:10 (c) 10:10 (d) 11:10

Answer key

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

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