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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 804 · 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 10:45? (a) 10:50 (b) 10:00 (c) 12:00 (d) 11:00
  2. 2.What time will it be 50 minutes after 1:40? (a) 2:30 (b) 3:30 (c) 1:30 (d) 2:20
  3. 3.What time was it 35 minutes before 2:40? (a) 2:05 (b) 1:05 (c) 3:05 (d) 2:15
  4. 4.A film starts at 2:55 and ends at 4:10. How long is the film? (a) 15 min (b) 2 h 15 min (c) 1 h 25 min (d) 1 h 15 min
  5. 5.A film starts at 8:55 and ends at 11:10. How long is the film? (a) 3 h 15 min (b) 2 h 25 min (c) 1 h 15 min (d) 2 h 15 min
  6. 6.A film starts at 1:50 and ends at 3:05. How long is the film? (a) 1 h 25 min (b) 1 h 15 min (c) 15 min (d) 2 h 15 min
  7. 7.What time was it 15 minutes before 4:15? (a) 3:00 (b) 4:00 (c) 4:10 (d) 5:00
  8. 8.A film starts at 7:10 and ends at 9:20. How long is the film? (a) 1 h 10 min (b) 2 h 20 min (c) 2 h 10 min (d) 3 h 10 min
  9. 9.A film starts at 2:45 and ends at 5:40. How long is the film? (a) 3 h 5 min (b) 1 h 55 min (c) 2 h 55 min (d) 3 h 55 min
  10. 10.What time will it be 45 minutes after 1:40? (a) 1:25 (b) 2:15 (c) 3:25 (d) 2:25
  11. 11.A film starts at 6:55 and ends at 7:20. How long is the film? (a) 15 min (b) 25 min (c) 35 min (d) 1 h 25 min
  12. 12.A film starts at 8:05 and ends at 10:30. How long is the film? (a) 2 h 35 min (b) 2 h 25 min (c) 3 h 25 min (d) 1 h 25 min
  13. 13.What time was it 20 minutes before 2:25? (a) 1:05 (b) 3:05 (c) 2:05 (d) 2:15
  14. 14.What time will it be 40 minutes after 8:10? (a) 7:50 (b) 8:40 (c) 8:50 (d) 9:50
  15. 15.What time was it 30 minutes before 3:45? (a) 2:15 (b) 3:15 (c) 3:25 (d) 4:15
  16. 16.A film starts at 5:35 and ends at 8:20. How long is the film? (a) 1 h 45 min (b) 2 h 55 min (c) 3 h 45 min (d) 2 h 45 min
  17. 17.What time will it be 15 minutes after 10:10? (a) 9:25 (b) 10:25 (c) 11:25 (d) 10:15
  18. 18.What time was it 15 minutes before 3:30? (a) 3:15 (b) 4:15 (c) 2:15 (d) 3:25
  19. 19.What time will it be 20 minutes after 1:35? (a) 1:55 (b) 2:55 (c) 2:05 (d) 1:45
  20. 20.What time was it 25 minutes before 6:50? (a) 6:35 (b) 5:25 (c) 6:25 (d) 7:25
  21. 21.A film starts at 1:05 and ends at 3:35. How long is the film? (a) 1 h 30 min (b) 2 h 40 min (c) 3 h 30 min (d) 2 h 30 min
  22. 22.What time will it be 25 minutes after 3:30? (a) 2:55 (b) 4:55 (c) 3:45 (d) 3:55
  23. 23.What time will it be 15 minutes after 9:40? (a) 8:55 (b) 10:55 (c) 9:45 (d) 9:55
  24. 24.What time will it be 55 minutes after 3:00? (a) 3:45 (b) 4:55 (c) 3:55 (d) 2:55
  25. 25.What time will it be 45 minutes after 2:35? (a) 3:10 (b) 4:20 (c) 3:20 (d) 2:20
  26. 26.What time was it 35 minutes before 7:05? (a) 7:30 (b) 6:30 (c) 6:40 (d) 5:30
  27. 27.A film starts at 8:45 and ends at 9:40. How long is the film? (a) 1 h 55 min (b) 55 min (c) 45 min (d) 1 h 5 min
  28. 28.What time will it be 40 minutes after 7:50? (a) 9:30 (b) 7:30 (c) 8:20 (d) 8:30
  29. 29.What time was it 25 minutes before 4:25? (a) 3:00 (b) 4:10 (c) 5:00 (d) 4:00
  30. 30.What time will it be 15 minutes after 3:45? (a) 3:00 (b) 3:50 (c) 5:00 (d) 4:00
  31. 31.A film starts at 7:05 and ends at 7:30. How long is the film? (a) 25 min (b) 1 h 25 min (c) 15 min (d) 35 min
  32. 32.What time will it be 55 minutes after 1:20? (a) 1:15 (b) 3:15 (c) 2:15 (d) 2:05
  33. 33.What time will it be 30 minutes after 8:00? (a) 9:30 (b) 7:30 (c) 8:30 (d) 8:20
  34. 34.What time was it 20 minutes before 8:30? (a) 8:10 (b) 9:10 (c) 8:20 (d) 7:10
  35. 35.A film starts at 1:05 and ends at 1:45. How long is the film? (a) 30 min (b) 40 min (c) 1 h 40 min (d) 50 min
  36. 36.What time will it be 40 minutes after 7:15? (a) 6:55 (b) 7:45 (c) 7:55 (d) 8:55
  37. 37.What time was it 50 minutes before 9:45? (a) 9:05 (b) 9:55 (c) 7:55 (d) 8:55
  38. 38.What time will it be 35 minutes after 1:30? (a) 1:05 (b) 1:55 (c) 2:05 (d) 3:05
  39. 39.A film starts at 1:20 and ends at 4:05. How long is the film? (a) 2 h 55 min (b) 2 h 45 min (c) 3 h 45 min (d) 1 h 45 min
  40. 40.What time was it 20 minutes before 6:10? (a) 6:50 (b) 4:50 (c) 5:50 (d) 6:00

Answer key

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

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