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Time and Clock Worksheet for Maths Olympiad

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

Answer key

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

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