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Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 279 · 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 is 1 minute 16 seconds?
  2. 2.⏱️ Speeding a clip up to 2× makes it … (a) silent (b) half as long (c) the same length (d) twice as long
  3. 3.⏱️ How many seconds are in 1 minute? (a) 30 (b) 100 (c) 60 (d) 10
  4. 4.⏱️ A 132-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  5. 5.⏱️ A video is 410 seconds long. How long is that in minutes and seconds? (a) 7 min 50 s (b) 4 min 10 s (c) 6 min 20 s (d) 6 min 50 s
  6. 6.⏱️ A video is 560 seconds long. How long is that in minutes and seconds? (a) 9 min 50 s (b) 5 min 60 s (c) 10 min 20 s (d) 9 min 20 s
  7. 7.⏱️ Your video must be 180 seconds long. Your clips add up to 43 seconds. How many more seconds of video do you need?
  8. 8.⏱️ A video is 305 seconds long. How long is that in minutes and seconds? (a) 3 min 5 s (b) 5 min 5 s (c) 5 min 35 s (d) 6 min 5 s
  9. 9.⏱️ A 76-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  10. 10.⏱️ A 144-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  11. 11.⏱️ A 63-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  12. 12.⏱️ How many seconds is 7 minutes 48 seconds?
  13. 13.⏱️ 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
  14. 14.⏱️ A video is 540 seconds long. How long is that in minutes and seconds? (a) 5 min 40 s (b) 9 min 30 s (c) 9 min 0 s (d) 10 min 0 s
  15. 15.⏱️ A 96-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  16. 16.⏱️ Your video must be 180 seconds long. Your clips add up to 13 seconds. How many more seconds of video do you need?
  17. 17.⏱️ A video has three clips of 43, 36 and 32 seconds. How long is the video (in seconds)?
  18. 18.⏱️ A 21-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  19. 19.⏱️ A video has three clips of 55, 30 and 58 seconds. How long is the video (in seconds)?
  20. 20.⏱️ Your video must be 90 seconds long. Your clips add up to 6 seconds. How many more seconds of video do you need?
  21. 21.⏱️ A video has three clips of 48, 53 and 13 seconds. How long is the video (in seconds)?
  22. 22.⏱️ A video has three clips of 52, 31 and 16 seconds. How long is the video (in seconds)?
  23. 23.⏱️ A video has three clips of 38, 6 and 30 seconds. How long is the video (in seconds)?
  24. 24.⏱️ A 25-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  25. 25.⏱️ A video has three clips of 22, 38 and 33 seconds. How long is the video (in seconds)?
  26. 26.⏱️ An 11-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  27. 27.⏱️ How many seconds is 9 minutes 56 seconds?
  28. 28.⏱️ A 15-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  29. 29.⏱️ How many seconds is 9 minutes 16 seconds?
  30. 30.⏱️ A video has three clips of 57, 56 and 6 seconds. How long is the video (in seconds)?
  31. 31.⏱️ A video is 230 seconds long. How long is that in minutes and seconds? (a) 2 min 30 s (b) 3 min 20 s (c) 3 min 50 s (d) 4 min 50 s
  32. 32.⏱️ How many seconds is 7 minutes 8 seconds?
  33. 33.⏱️ Your video must be 180 seconds long. Your clips add up to 175 seconds. How many more seconds of video do you need?
  34. 34.⏱️ Your video must be 180 seconds long. Your clips add up to 125 seconds. How many more seconds of video do you need?
  35. 35.⏱️ A 24-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  36. 36.⏱️ A video has three clips of 7, 12 and 7 seconds. How long is the video (in seconds)?
  37. 37.⏱️ A 36-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  38. 38.⏱️ A video has three clips of 37, 38 and 5 seconds. How long is the video (in seconds)?
  39. 39.⏱️ A video has three clips of 13, 19 and 23 seconds. How long is the video (in seconds)?
  40. 40.⏱️ How many seconds is 5 minutes 31 seconds?

Answer key

  1. 76
  2. half as long
  3. 60
  4. 33
  5. 6 min 50 s
  6. 9 min 20 s
  7. 137
  8. 5 min 5 s
  9. 19
  10. 36
  11. 21
  12. 468
  13. the sum of the clips
  14. 9 min 0 s
  15. 32
  16. 167
  17. 111
  18. 42
  19. 143
  20. 84
  21. 114
  22. 99
  23. 74
  24. 50
  25. 93
  26. 22
  27. 596
  28. 30
  29. 556
  30. 119
  31. 3 min 50 s
  32. 428
  33. 5
  34. 55
  35. 48
  36. 26
  37. 9
  38. 80
  39. 55
  40. 331

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