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Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 2 · 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 8 minutes 57 seconds?
  2. 2.⏱️ How many seconds is 7 minutes 32 seconds?
  3. 3.⏱️ A video is 505 seconds long. How long is that in minutes and seconds? (a) 8 min 25 s (b) 9 min 25 s (c) 5 min 5 s (d) 8 min 55 s
  4. 4.⏱️ A 16-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  5. 5.⏱️ A video has three clips of 36, 12 and 57 seconds. How long is the video (in seconds)?
  6. 6.⏱️ How many seconds is 6 minutes 47 seconds?
  7. 7.⏱️ A video has three clips of 7, 42 and 55 seconds. How long is the video (in seconds)?
  8. 8.⏱️ 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
  9. 9.⏱️ Speeding a clip up to 2× makes it … (a) twice as long (b) half as long (c) silent (d) the same length
  10. 10.⏱️ How many seconds are in 1 minute? (a) 60 (b) 100 (c) 30 (d) 10
  11. 11.⏱️ Your video must be 180 seconds long. Your clips add up to 11 seconds. How many more seconds of video do you need?
  12. 12.⏱️ Your video must be 60 seconds long. Your clips add up to 19 seconds. How many more seconds of video do you need?
  13. 13.⏱️ A video is 395 seconds long. How long is that in minutes and seconds? (a) 7 min 35 s (b) 6 min 5 s (c) 3 min 95 s (d) 6 min 35 s
  14. 14.⏱️ How many seconds is 3 minutes 12 seconds?
  15. 15.⏱️ A video has three clips of 11, 50 and 56 seconds. How long is the video (in seconds)?
  16. 16.⏱️ A video is 315 seconds long. How long is that in minutes and seconds? (a) 5 min 45 s (b) 6 min 15 s (c) 3 min 15 s (d) 5 min 15 s
  17. 17.⏱️ A video has three clips of 31, 20 and 7 seconds. How long is the video (in seconds)?
  18. 18.⏱️ How many seconds is 7 minutes 35 seconds?
  19. 19.⏱️ How many seconds is 6 minutes 19 seconds?
  20. 20.⏱️ A 30-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  21. 21.⏱️ Your video must be 180 seconds long. Your clips add up to 18 seconds. How many more seconds of video do you need?
  22. 22.⏱️ A video is 265 seconds long. How long is that in minutes and seconds? (a) 5 min 25 s (b) 4 min 25 s (c) 2 min 65 s (d) 4 min 55 s
  23. 23.⏱️ How many seconds is 7 minutes 18 seconds?
  24. 24.⏱️ A 7-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  25. 25.⏱️ Your video must be 180 seconds long. Your clips add up to 120 seconds. How many more seconds of video do you need?
  26. 26.⏱️ A video has three clips of 45, 21 and 7 seconds. How long is the video (in seconds)?
  27. 27.⏱️ How many seconds is 8 minutes 39 seconds?
  28. 28.⏱️ A 28-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  29. 29.⏱️ 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 5 s (d) 2 min 35 s
  30. 30.⏱️ A video is 565 seconds long. How long is that in minutes and seconds? (a) 10 min 25 s (b) 5 min 65 s (c) 9 min 25 s (d) 9 min 55 s
  31. 31.⏱️ A video has three clips of 16, 53 and 24 seconds. How long is the video (in seconds)?
  32. 32.⏱️ Your video must be 90 seconds long. Your clips add up to 81 seconds. How many more seconds of video do you need?
  33. 33.⏱️ How many seconds is 4 minutes 30 seconds?
  34. 34.⏱️ A video has three clips of 50, 57 and 33 seconds. How long is the video (in seconds)?
  35. 35.⏱️ A video has three clips of 49, 7 and 45 seconds. How long is the video (in seconds)?
  36. 36.⏱️ A video has three clips of 47, 24 and 22 seconds. How long is the video (in seconds)?
  37. 37.⏱️ A 63-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  38. 38.⏱️ Your video must be 120 seconds long. Your clips add up to 52 seconds. How many more seconds of video do you need?
  39. 39.⏱️ A video is 165 seconds long. How long is that in minutes and seconds? (a) 3 min 45 s (b) 2 min 45 s (c) 2 min 15 s (d) 1 min 65 s
  40. 40.⏱️ A video is 500 seconds long. How long is that in minutes and seconds? (a) 5 min 0 s (b) 9 min 20 s (c) 8 min 20 s (d) 8 min 50 s

Answer key

  1. 537
  2. 452
  3. 8 min 25 s
  4. 32
  5. 105
  6. 407
  7. 104
  8. the sum of the clips
  9. half as long
  10. 60
  11. 169
  12. 41
  13. 6 min 35 s
  14. 192
  15. 117
  16. 5 min 15 s
  17. 58
  18. 455
  19. 379
  20. 15
  21. 162
  22. 4 min 25 s
  23. 438
  24. 14
  25. 60
  26. 73
  27. 519
  28. 14
  29. 2 min 5 s
  30. 9 min 25 s
  31. 93
  32. 9
  33. 270
  34. 140
  35. 101
  36. 93
  37. 21
  38. 68
  39. 2 min 45 s
  40. 8 min 20 s

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