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Time and Clock Worksheet for Maths Olympiad

Maths Olympiad topic 5: Time and clocks · Set 52 · 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 25 minutes after 5:05? (a) 4:30 (b) 6:30 (c) 5:30 (d) 5:20
  2. 2.A film starts at 6:50 and ends at 8:30. How long is the film? (a) 1 h 50 min (b) 2 h 40 min (c) 40 min (d) 1 h 40 min
  3. 3.What time will it be 25 minutes after 5:20? (a) 6:45 (b) 5:35 (c) 5:45 (d) 4:45
  4. 4.What time will it be 20 minutes after 1:40? (a) 1:50 (b) 2:00 (c) 1:00 (d) 3:00
  5. 5.A film starts at 5:55 and ends at 8:20. How long is the film? (a) 3 h 25 min (b) 1 h 25 min (c) 2 h 35 min (d) 2 h 25 min
  6. 6.What time was it 50 minutes before 8:15? (a) 7:35 (b) 8:25 (c) 7:25 (d) 6:25
  7. 7.What time was it 50 minutes before 2:30? (a) 1:50 (b) 2:40 (c) 1:30 (d) 1:40
  8. 8.What time was it 30 minutes before 10:10? (a) 8:40 (b) 9:50 (c) 10:40 (d) 9:40
  9. 9.What time will it be 55 minutes after 9:25? (a) 11:20 (b) 10:20 (c) 10:10 (d) 9:20
  10. 10.What time will it be 55 minutes after 4:55? (a) 6:50 (b) 4:50 (c) 5:50 (d) 5:40
  11. 11.What time will it be 25 minutes after 10:05? (a) 10:30 (b) 9:30 (c) 11:30 (d) 10:20
  12. 12.A film starts at 2:15 and ends at 4:20. How long is the film? (a) 3 h 5 min (b) 2 h 5 min (c) 2 h 15 min (d) 1 h 5 min
  13. 13.What time will it be 35 minutes after 7:30? (a) 8:05 (b) 9:05 (c) 7:55 (d) 7:05
  14. 14.A film starts at 7:00 and ends at 8:50. How long is the film? (a) 50 min (b) 2 h 50 min (c) 2 h (d) 1 h 50 min
  15. 15.A film starts at 3:25 and ends at 5:05. How long is the film? (a) 2 h 40 min (b) 40 min (c) 1 h 40 min (d) 1 h 50 min
  16. 16.What time was it 25 minutes before 2:20? (a) 1:45 (b) 1:55 (c) 2:05 (d) 2:55
  17. 17.What time will it be 20 minutes after 7:35? (a) 6:55 (b) 7:55 (c) 8:55 (d) 7:45
  18. 18.What time will it be 55 minutes after 2:30? (a) 2:25 (b) 3:15 (c) 4:25 (d) 3:25
  19. 19.What time was it 15 minutes before 3:35? (a) 3:20 (b) 2:20 (c) 3:30 (d) 4:20
  20. 20.What time will it be 30 minutes after 4:35? (a) 4:05 (b) 4:55 (c) 6:05 (d) 5:05
  21. 21.What time was it 30 minutes before 6:15? (a) 6:45 (b) 5:55 (c) 4:45 (d) 5:45
  22. 22.A film starts at 3:05 and ends at 5:20. 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
  23. 23.What time was it 20 minutes before 7:45? (a) 7:35 (b) 7:25 (c) 8:25 (d) 6:25
  24. 24.A film starts at 1:10 and ends at 1:30. How long is the film? (a) 1 h 20 min (b) 30 min (c) 10 min (d) 20 min
  25. 25.What time was it 50 minutes before 4:55? (a) 5:05 (b) 3:05 (c) 4:15 (d) 4:05
  26. 26.What time was it 20 minutes before 3:55? (a) 3:45 (b) 3:35 (c) 4:35 (d) 2:35
  27. 27.What time was it 35 minutes before 9:45? (a) 10:10 (b) 9:20 (c) 8:10 (d) 9:10
  28. 28.What time will it be 20 minutes after 4:00? (a) 4:10 (b) 4:20 (c) 5:20 (d) 3:20
  29. 29.What time will it be 25 minutes after 7:30? (a) 6:55 (b) 7:55 (c) 8:55 (d) 7:45
  30. 30.What time will it be 40 minutes after 2:00? (a) 2:40 (b) 1:40 (c) 2:30 (d) 3:40
  31. 31.What time was it 25 minutes before 7:15? (a) 7:00 (b) 6:50 (c) 7:50 (d) 5:50
  32. 32.What time was it 35 minutes before 3:25? (a) 1:50 (b) 3:50 (c) 2:50 (d) 3:00
  33. 33.A film starts at 5:50 and ends at 8:05. 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
  34. 34.What time was it 40 minutes before 10:30? (a) 10:00 (b) 8:50 (c) 10:50 (d) 9:50
  35. 35.What time was it 20 minutes before 5:00? (a) 3:40 (b) 5:40 (c) 4:50 (d) 4:40
  36. 36.What time will it be 30 minutes after 1:25? (a) 1:55 (b) 1:45 (c) 2:05 (d) 2:55
  37. 37.A film starts at 5:00 and ends at 6:50. How long is the film? (a) 2 h (b) 1 h 50 min (c) 2 h 50 min (d) 50 min
  38. 38.What time will it be 35 minutes after 5:40? (a) 5:15 (b) 6:05 (c) 7:15 (d) 6:15
  39. 39.What time was it 50 minutes before 2:10? (a) 1:30 (b) 1:10 (c) 2:20 (d) 1:20
  40. 40.What time was it 45 minutes before 11:00? (a) 9:15 (b) 10:25 (c) 11:15 (d) 10:15

Answer key

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

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