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Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 281 · 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.⏱️ Your video must be 180 seconds long. Your clips add up to 21 seconds. How many more seconds of video do you need?
  2. 2.⏱️ Your video must be 60 seconds long. Your clips add up to 33 seconds. How many more seconds of video do you need?
  3. 3.⏱️ A video is 110 seconds long. How long is that in minutes and seconds? (a) 1 min 50 s (b) 2 min 50 s (c) 1 min 20 s (d) 1 min 10 s
  4. 4.⏱️ How many seconds is 6 minutes 29 seconds?
  5. 5.⏱️ How many seconds are in 1 minute? (a) 60 (b) 30 (c) 10 (d) 100
  6. 6.⏱️ How many seconds is 2 minutes 38 seconds?
  7. 7.⏱️ How many seconds is 6 minutes 42 seconds?
  8. 8.⏱️ When you put clips one after another, the video length is … (a) the sum of the clips (b) the shortest clip (c) the longest clip (d) always 1 minute
  9. 9.⏱️ Your video must be 60 seconds long. Your clips add up to 32 seconds. How many more seconds of video do you need?
  10. 10.⏱️ A video is 255 seconds long. How long is that in minutes and seconds? (a) 4 min 45 s (b) 4 min 15 s (c) 5 min 15 s (d) 2 min 55 s
  11. 11.⏱️ A 46-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  12. 12.⏱️ Speeding a clip up to 2× makes it … (a) twice as long (b) the same length (c) half as long (d) silent
  13. 13.⏱️ A 33-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  14. 14.⏱️ A 32-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  15. 15.⏱️ Your video must be 60 seconds long. Your clips add up to 6 seconds. How many more seconds of video do you need?
  16. 16.⏱️ How many seconds is 6 minutes 23 seconds?
  17. 17.⏱️ A 26-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  18. 18.⏱️ A video is 440 seconds long. How long is that in minutes and seconds? (a) 4 min 40 s (b) 7 min 20 s (c) 8 min 20 s (d) 7 min 50 s
  19. 19.⏱️ A video is 275 seconds long. How long is that in minutes and seconds? (a) 5 min 35 s (b) 2 min 75 s (c) 4 min 5 s (d) 4 min 35 s
  20. 20.⏱️ A 128-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  21. 21.⏱️ How many seconds is 6 minutes 6 seconds?
  22. 22.⏱️ A video is 125 seconds long. How long is that in minutes and seconds? (a) 3 min 5 s (b) 1 min 25 s (c) 2 min 35 s (d) 2 min 5 s
  23. 23.⏱️ A 21-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  24. 24.⏱️ Your video must be 180 seconds long. Your clips add up to 45 seconds. How many more seconds of video do you need?
  25. 25.⏱️ A video has three clips of 56, 33 and 5 seconds. How long is the video (in seconds)?
  26. 26.⏱️ A video has three clips of 26, 12 and 48 seconds. How long is the video (in seconds)?
  27. 27.⏱️ A video has three clips of 30, 59 and 33 seconds. How long is the video (in seconds)?
  28. 28.⏱️ A 42-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  29. 29.⏱️ A video has three clips of 10, 32 and 20 seconds. How long is the video (in seconds)?
  30. 30.⏱️ A 90-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  31. 31.⏱️ A video has three clips of 42, 43 and 11 seconds. How long is the video (in seconds)?
  32. 32.⏱️ A video is 570 seconds long. How long is that in minutes and seconds? (a) 5 min 70 s (b) 10 min 30 s (c) 9 min 0 s (d) 9 min 30 s
  33. 33.⏱️ A video has three clips of 53, 47 and 14 seconds. How long is the video (in seconds)?
  34. 34.⏱️ A video has three clips of 40, 8 and 32 seconds. How long is the video (in seconds)?
  35. 35.⏱️ A video is 420 seconds long. How long is that in minutes and seconds? (a) 4 min 20 s (b) 7 min 30 s (c) 8 min 0 s (d) 7 min 0 s
  36. 36.⏱️ How many seconds is 9 minutes 46 seconds?
  37. 37.⏱️ A video is 360 seconds long. How long is that in minutes and seconds? (a) 6 min 30 s (b) 6 min 0 s (c) 7 min 0 s (d) 3 min 60 s
  38. 38.⏱️ Your video must be 90 seconds long. Your clips add up to 21 seconds. How many more seconds of video do you need?
  39. 39.⏱️ How many seconds is 1 minute 35 seconds?
  40. 40.⏱️ A video is 195 seconds long. How long is that in minutes and seconds? (a) 3 min 45 s (b) 1 min 95 s (c) 3 min 15 s (d) 4 min 15 s

Answer key

  1. 159
  2. 27
  3. 1 min 50 s
  4. 389
  5. 60
  6. 158
  7. 402
  8. the sum of the clips
  9. 28
  10. 4 min 15 s
  11. 23
  12. half as long
  13. 11
  14. 8
  15. 54
  16. 383
  17. 52
  18. 7 min 20 s
  19. 4 min 35 s
  20. 32
  21. 366
  22. 2 min 5 s
  23. 42
  24. 135
  25. 94
  26. 86
  27. 122
  28. 21
  29. 62
  30. 30
  31. 96
  32. 9 min 30 s
  33. 114
  34. 80
  35. 7 min 0 s
  36. 586
  37. 6 min 0 s
  38. 69
  39. 95
  40. 3 min 15 s

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