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Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 182 · 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 26-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  2. 2.⏱️ A video is 85 seconds long. How long is that in minutes and seconds? (a) 2 min 25 s (b) 1 min 25 s (c) 3 min 25 s (d) 1 min 55 s
  3. 3.⏱️ A video is 235 seconds long. How long is that in minutes and seconds? (a) 3 min 55 s (b) 2 min 35 s (c) 3 min 25 s (d) 4 min 55 s
  4. 4.⏱️ A 62-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  5. 5.⏱️ A video is 500 seconds long. How long is that in minutes and seconds? (a) 9 min 20 s (b) 8 min 50 s (c) 5 min 0 s (d) 8 min 20 s
  6. 6.⏱️ An 8-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  7. 7.⏱️ Your video must be 180 seconds long. Your clips add up to 15 seconds. How many more seconds of video do you need?
  8. 8.⏱️ A 12-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  9. 9.⏱️ Your video must be 60 seconds long. Your clips add up to 14 seconds. How many more seconds of video do you need?
  10. 10.⏱️ A 20-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  11. 11.⏱️ How many seconds is 5 minutes 45 seconds?
  12. 12.⏱️ A video has three clips of 27, 28 and 23 seconds. How long is the video (in seconds)?
  13. 13.⏱️ An 18-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  14. 14.⏱️ A video has three clips of 23, 8 and 45 seconds. How long is the video (in seconds)?
  15. 15.⏱️ A video is 290 seconds long. How long is that in minutes and seconds? (a) 4 min 20 s (b) 5 min 50 s (c) 4 min 50 s (d) 2 min 90 s
  16. 16.⏱️ How many seconds are in 1 minute? (a) 60 (b) 30 (c) 10 (d) 100
  17. 17.⏱️ A video has three clips of 9, 20 and 26 seconds. How long is the video (in seconds)?
  18. 18.⏱️ How many seconds is 4 minutes 56 seconds?
  19. 19.⏱️ When you put clips one after another, the video length is … (a) always 1 minute (b) the shortest clip (c) the longest clip (d) the sum of the clips
  20. 20.⏱️ Your video must be 60 seconds long. Your clips add up to 28 seconds. How many more seconds of video do you need?
  21. 21.⏱️ A video is 430 seconds long. How long is that in minutes and seconds? (a) 8 min 10 s (b) 4 min 30 s (c) 7 min 10 s (d) 7 min 40 s
  22. 22.⏱️ A 44-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  23. 23.⏱️ Your video must be 60 seconds long. Your clips add up to 52 seconds. How many more seconds of video do you need?
  24. 24.⏱️ A video is 400 seconds long. How long is that in minutes and seconds? (a) 7 min 40 s (b) 6 min 40 s (c) 6 min 10 s (d) 4 min 0 s
  25. 25.⏱️ A video has three clips of 56, 11 and 51 seconds. How long is the video (in seconds)?
  26. 26.⏱️ How many seconds is 6 minutes 57 seconds?
  27. 27.⏱️ A video has three clips of 19, 31 and 59 seconds. How long is the video (in seconds)?
  28. 28.⏱️ Your video must be 90 seconds long. Your clips add up to 28 seconds. How many more seconds of video do you need?
  29. 29.⏱️ A video has three clips of 55, 10 and 33 seconds. How long is the video (in seconds)?
  30. 30.⏱️ A video is 205 seconds long. How long is that in minutes and seconds? (a) 2 min 5 s (b) 4 min 25 s (c) 3 min 55 s (d) 3 min 25 s
  31. 31.⏱️ Your video must be 60 seconds long. Your clips add up to 27 seconds. How many more seconds of video do you need?
  32. 32.⏱️ A 10-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  33. 33.⏱️ A 6-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  34. 34.⏱️ A video is 130 seconds long. How long is that in minutes and seconds? (a) 2 min 10 s (b) 3 min 10 s (c) 2 min 40 s (d) 1 min 30 s
  35. 35.⏱️ How many seconds is 5 minutes 54 seconds?
  36. 36.⏱️ A video has three clips of 12, 43 and 36 seconds. How long is the video (in seconds)?
  37. 37.⏱️ Speeding a clip up to 2× makes it … (a) half as long (b) the same length (c) silent (d) twice as long
  38. 38.⏱️ A video has three clips of 11, 8 and 36 seconds. How long is the video (in seconds)?
  39. 39.⏱️ A video is 415 seconds long. How long is that in minutes and seconds? (a) 7 min 55 s (b) 6 min 55 s (c) 6 min 25 s (d) 4 min 15 s
  40. 40.⏱️ A video is 300 seconds long. How long is that in minutes and seconds? (a) 6 min 0 s (b) 5 min 0 s (c) 5 min 30 s (d) 3 min 0 s

Answer key

  1. 13
  2. 1 min 25 s
  3. 3 min 55 s
  4. 31
  5. 8 min 20 s
  6. 16
  7. 165
  8. 6
  9. 46
  10. 40
  11. 345
  12. 78
  13. 9
  14. 76
  15. 4 min 50 s
  16. 60
  17. 55
  18. 296
  19. the sum of the clips
  20. 32
  21. 7 min 10 s
  22. 22
  23. 8
  24. 6 min 40 s
  25. 118
  26. 417
  27. 109
  28. 62
  29. 98
  30. 3 min 25 s
  31. 33
  32. 20
  33. 12
  34. 2 min 10 s
  35. 354
  36. 91
  37. half as long
  38. 55
  39. 6 min 55 s
  40. 5 min 0 s

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