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Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 16 · 40 questions
TalentJR

Creator's tip (Add the clips): Video length = the clips added up. Minutes → seconds: × 60, then add the extra seconds. Seconds → minutes: take away 60 as many times as it fits. Still needed = target − what you have; 2× speed halves the time, half speed doubles it.

NameDateTime takenScore ___ / 40
  1. 1.⏱️ A video is 340 seconds long. How long is that in minutes and seconds? (a) 5 min 40 s (b) 6 min 40 s (c) 3 min 40 s (d) 5 min 10 s
  2. 2.⏱️ Your video must be 60 seconds long. Your clips add up to 16 seconds. How many more seconds of video do you need?
  3. 3.⏱️ How many seconds is 9 minutes 13 seconds?
  4. 4.⏱️ A 78-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  5. 5.⏱️ Your video must be 90 seconds long. Your clips add up to 57 seconds. How many more seconds of video do you need?
  6. 6.⏱️ Your video must be 180 seconds long. Your clips add up to 70 seconds. How many more seconds of video do you need?
  7. 7.⏱️ Your video must be 90 seconds long. Your clips add up to 66 seconds. How many more seconds of video do you need?
  8. 8.⏱️ A 10-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  9. 9.⏱️ How many seconds is 2 minutes 21 seconds?
  10. 10.⏱️ A 13-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  11. 11.⏱️ How many seconds is 2 minutes 50 seconds?
  12. 12.⏱️ How many seconds are in 1 minute? (a) 100 (b) 10 (c) 60 (d) 30
  13. 13.⏱️ A video is 60 seconds long. How long is that in minutes and seconds? (a) 1 min 0 s (b) 1 min 30 s (c) 3 min 0 s (d) 2 min 0 s
  14. 14.⏱️ A video has three clips of 31, 57 and 10 seconds. How long is the video (in seconds)?
  15. 15.⏱️ A video is 280 seconds long. How long is that in minutes and seconds? (a) 4 min 40 s (b) 5 min 40 s (c) 2 min 80 s (d) 4 min 10 s
  16. 16.⏱️ When you put clips one after another, the video length is … (a) always 1 minute (b) the shortest clip (c) the sum of the clips (d) the longest clip
  17. 17.⏱️ A video has three clips of 19, 48 and 15 seconds. How long is the video (in seconds)?
  18. 18.⏱️ A 22-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  19. 19.⏱️ A 51-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  20. 20.⏱️ Your video must be 60 seconds long. Your clips add up to 23 seconds. How many more seconds of video do you need?
  21. 21.⏱️ A video is 70 seconds long. How long is that in minutes and seconds? (a) 3 min 10 s (b) 2 min 10 s (c) 1 min 40 s (d) 1 min 10 s
  22. 22.⏱️ A video is 480 seconds long. How long is that in minutes and seconds? (a) 8 min 0 s (b) 9 min 0 s (c) 8 min 30 s (d) 4 min 80 s
  23. 23.⏱️ Speeding a clip up to 2× makes it … (a) silent (b) half as long (c) the same length (d) twice as long
  24. 24.⏱️ A video has three clips of 20, 51 and 28 seconds. How long is the video (in seconds)?
  25. 25.⏱️ A video is 165 seconds long. How long is that in minutes and seconds? (a) 1 min 65 s (b) 2 min 45 s (c) 3 min 45 s (d) 2 min 15 s
  26. 26.⏱️ A video is 560 seconds long. How long is that in minutes and seconds? (a) 10 min 20 s (b) 9 min 20 s (c) 9 min 50 s (d) 5 min 60 s
  27. 27.⏱️ How many seconds is 1 minute 1 second?
  28. 28.⏱️ A video has three clips of 29, 30 and 52 seconds. How long is the video (in seconds)?
  29. 29.⏱️ Your video must be 90 seconds long. Your clips add up to 44 seconds. How many more seconds of video do you need?
  30. 30.⏱️ A video has three clips of 37, 34 and 16 seconds. How long is the video (in seconds)?
  31. 31.⏱️ A 120-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  32. 32.⏱️ How many seconds is 9 minutes 53 seconds?
  33. 33.⏱️ A video has three clips of 45, 17 and 46 seconds. How long is the video (in seconds)?
  34. 34.⏱️ A video has three clips of 59, 17 and 42 seconds. How long is the video (in seconds)?
  35. 35.⏱️ A video has three clips of 11, 50 and 19 seconds. How long is the video (in seconds)?
  36. 36.⏱️ A 21-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  37. 37.⏱️ A video is 595 seconds long. How long is that in minutes and seconds? (a) 9 min 55 s (b) 10 min 55 s (c) 9 min 25 s (d) 5 min 95 s
  38. 38.⏱️ A video has three clips of 15, 20 and 59 seconds. How long is the video (in seconds)?
  39. 39.⏱️ How many seconds is 8 minutes 3 seconds?
  40. 40.⏱️ Your video must be 180 seconds long. Your clips add up to 115 seconds. How many more seconds of video do you need?

Answer key

  1. 5 min 40 s
  2. 44
  3. 553
  4. 39
  5. 33
  6. 110
  7. 24
  8. 20
  9. 141
  10. 26
  11. 170
  12. 60
  13. 1 min 0 s
  14. 98
  15. 4 min 40 s
  16. the sum of the clips
  17. 82
  18. 11
  19. 17
  20. 37
  21. 1 min 10 s
  22. 8 min 0 s
  23. half as long
  24. 99
  25. 2 min 45 s
  26. 9 min 20 s
  27. 61
  28. 111
  29. 46
  30. 87
  31. 30
  32. 593
  33. 108
  34. 118
  35. 80
  36. 7
  37. 9 min 55 s
  38. 94
  39. 483
  40. 65

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