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Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 169 · 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.⏱️ How many seconds are in 1 minute? (a) 10 (b) 30 (c) 60 (d) 100
  2. 2.⏱️ A video has three clips of 44, 36 and 52 seconds. How long is the video (in seconds)?
  3. 3.⏱️ A 15-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  4. 4.⏱️ A video has three clips of 49, 60 and 38 seconds. How long is the video (in seconds)?
  5. 5.⏱️ A video has three clips of 46, 46 and 59 seconds. How long is the video (in seconds)?
  6. 6.⏱️ A video has three clips of 23, 6 and 35 seconds. How long is the video (in seconds)?
  7. 7.⏱️ A video has three clips of 13, 59 and 55 seconds. How long is the video (in seconds)?
  8. 8.⏱️ Your video must be 60 seconds long. Your clips add up to 18 seconds. How many more seconds of video do you need?
  9. 9.⏱️ A video is 265 seconds long. How long is that in minutes and seconds? (a) 4 min 55 s (b) 4 min 25 s (c) 5 min 25 s (d) 2 min 65 s
  10. 10.⏱️ Speeding a clip up to 2× makes it … (a) silent (b) the same length (c) half as long (d) twice as long
  11. 11.⏱️ A video has three clips of 33, 39 and 26 seconds. How long is the video (in seconds)?
  12. 12.⏱️ Your video must be 180 seconds long. Your clips add up to 5 seconds. How many more seconds of video do you need?
  13. 13.⏱️ Your video must be 60 seconds long. Your clips add up to 48 seconds. How many more seconds of video do you need?
  14. 14.⏱️ Your video must be 90 seconds long. Your clips add up to 5 seconds. How many more seconds of video do you need?
  15. 15.⏱️ A video has three clips of 57, 33 and 44 seconds. How long is the video (in seconds)?
  16. 16.⏱️ Your video must be 60 seconds long. Your clips add up to 15 seconds. How many more seconds of video do you need?
  17. 17.⏱️ A 19-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  18. 18.⏱️ How many seconds is 6 minutes 6 seconds?
  19. 19.⏱️ A video is 130 seconds long. How long is that in minutes and seconds? (a) 2 min 40 s (b) 3 min 10 s (c) 1 min 30 s (d) 2 min 10 s
  20. 20.⏱️ A video is 540 seconds long. How long is that in minutes and seconds? (a) 5 min 40 s (b) 10 min 0 s (c) 9 min 0 s (d) 9 min 30 s
  21. 21.⏱️ An 11-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  22. 22.⏱️ Your video must be 120 seconds long. Your clips add up to 71 seconds. How many more seconds of video do you need?
  23. 23.⏱️ How many seconds is 4 minutes 12 seconds?
  24. 24.⏱️ A video has three clips of 16, 48 and 47 seconds. How long is the video (in seconds)?
  25. 25.⏱️ How many seconds is 2 minutes 2 seconds?
  26. 26.⏱️ A video has three clips of 45, 38 and 32 seconds. How long is the video (in seconds)?
  27. 27.⏱️ Your video must be 90 seconds long. Your clips add up to 82 seconds. How many more seconds of video do you need?
  28. 28.⏱️ A 5-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  29. 29.⏱️ How many seconds is 6 minutes 44 seconds?
  30. 30.⏱️ A 36-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  31. 31.⏱️ A video is 385 seconds long. How long is that in minutes and seconds? (a) 6 min 55 s (b) 3 min 85 s (c) 7 min 25 s (d) 6 min 25 s
  32. 32.⏱️ An 18-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  33. 33.⏱️ Your video must be 120 seconds long. Your clips add up to 50 seconds. How many more seconds of video do you need?
  34. 34.⏱️ A video is 100 seconds long. How long is that in minutes and seconds? (a) 1 min 40 s (b) 1 min 10 s (c) 1 min 0 s (d) 2 min 40 s
  35. 35.⏱️ An 8-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  36. 36.⏱️ How many seconds is 5 minutes 31 seconds?
  37. 37.⏱️ A video has three clips of 56, 49 and 25 seconds. How long is the video (in seconds)?
  38. 38.⏱️ How many seconds is 7 minutes 50 seconds?
  39. 39.⏱️ When you put clips one after another, the video length is … (a) the longest clip (b) the shortest clip (c) the sum of the clips (d) always 1 minute
  40. 40.⏱️ A 132-second clip is sped up to 4× speed. How long does it last now (in seconds)?

Answer key

  1. 60
  2. 132
  3. 30
  4. 147
  5. 151
  6. 64
  7. 127
  8. 42
  9. 4 min 25 s
  10. half as long
  11. 98
  12. 175
  13. 12
  14. 85
  15. 134
  16. 45
  17. 38
  18. 366
  19. 2 min 10 s
  20. 9 min 0 s
  21. 22
  22. 49
  23. 252
  24. 111
  25. 122
  26. 115
  27. 8
  28. 10
  29. 404
  30. 9
  31. 6 min 25 s
  32. 6
  33. 70
  34. 1 min 40 s
  35. 16
  36. 331
  37. 130
  38. 470
  39. the sum of the clips
  40. 33

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