← Video length sums lesson New set →

Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 274 · 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 video has three clips of 58, 60 and 40 seconds. How long is the video (in seconds)?
  2. 2.⏱️ A 52-second clip is sped up to 2× speed. How long does it last now (in seconds)?
  3. 3.⏱️ Your video must be 90 seconds long. Your clips add up to 79 seconds. How many more seconds of video do you need?
  4. 4.⏱️ How many seconds is 3 minutes 49 seconds?
  5. 5.⏱️ A video has three clips of 30, 24 and 8 seconds. How long is the video (in seconds)?
  6. 6.⏱️ An 11-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  7. 7.⏱️ How many seconds is 4 minutes 8 seconds?
  8. 8.⏱️ Your video must be 180 seconds long. Your clips add up to 43 seconds. How many more seconds of video do you need?
  9. 9.⏱️ A 9-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  10. 10.⏱️ When you put clips one after another, the video length is … (a) the longest clip (b) always 1 minute (c) the sum of the clips (d) the shortest clip
  11. 11.⏱️ A 39-second clip is sped up to 3× speed. How long does it last now (in seconds)?
  12. 12.⏱️ A video has three clips of 53, 5 and 25 seconds. How long is the video (in seconds)?
  13. 13.⏱️ A 15-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  14. 14.⏱️ How many seconds is 3 minutes 50 seconds?
  15. 15.⏱️ A video is 190 seconds long. How long is that in minutes and seconds? (a) 4 min 10 s (b) 3 min 40 s (c) 3 min 10 s (d) 1 min 90 s
  16. 16.⏱️ A video is 330 seconds long. How long is that in minutes and seconds? (a) 5 min 0 s (b) 6 min 30 s (c) 5 min 30 s (d) 3 min 30 s
  17. 17.⏱️ Your video must be 90 seconds long. Your clips add up to 39 seconds. How many more seconds of video do you need?
  18. 18.⏱️ How many seconds is 6 minutes 43 seconds?
  19. 19.⏱️ How many seconds is 5 minutes 21 seconds?
  20. 20.⏱️ A video is 390 seconds long. How long is that in minutes and seconds? (a) 6 min 30 s (b) 3 min 90 s (c) 7 min 30 s (d) 6 min 0 s
  21. 21.⏱️ A video is 145 seconds long. How long is that in minutes and seconds? (a) 1 min 45 s (b) 2 min 25 s (c) 3 min 25 s (d) 2 min 55 s
  22. 22.⏱️ How many seconds is 2 minutes 46 seconds?
  23. 23.⏱️ Your video must be 90 seconds long. Your clips add up to 69 seconds. How many more seconds of video do you need?
  24. 24.⏱️ A 52-second clip is sped up to 4× speed. How long does it last now (in seconds)?
  25. 25.⏱️ How many seconds are in 1 minute? (a) 100 (b) 30 (c) 60 (d) 10
  26. 26.⏱️ A video has three clips of 24, 59 and 37 seconds. How long is the video (in seconds)?
  27. 27.⏱️ Your video must be 180 seconds long. Your clips add up to 81 seconds. How many more seconds of video do you need?
  28. 28.⏱️ Your video must be 90 seconds long. Your clips add up to 16 seconds. How many more seconds of video do you need?
  29. 29.⏱️ Speeding a clip up to 2× makes it … (a) twice as long (b) silent (c) the same length (d) half as long
  30. 30.⏱️ Your video must be 60 seconds long. Your clips add up to 10 seconds. How many more seconds of video do you need?
  31. 31.⏱️ A video is 195 seconds long. How long is that in minutes and seconds? (a) 3 min 15 s (b) 3 min 45 s (c) 1 min 95 s (d) 4 min 15 s
  32. 32.⏱️ A 21-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  33. 33.⏱️ A 5-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
  34. 34.⏱️ A video is 510 seconds long. How long is that in minutes and seconds? (a) 8 min 0 s (b) 5 min 10 s (c) 9 min 30 s (d) 8 min 30 s
  35. 35.⏱️ A video is 240 seconds long. How long is that in minutes and seconds? (a) 2 min 40 s (b) 4 min 0 s (c) 5 min 0 s (d) 4 min 30 s
  36. 36.⏱️ A video has three clips of 26, 22 and 47 seconds. How long is the video (in seconds)?
  37. 37.⏱️ A video has three clips of 9, 8 and 44 seconds. How long is the video (in seconds)?
  38. 38.⏱️ A video is 580 seconds long. How long is that in minutes and seconds? (a) 9 min 40 s (b) 5 min 80 s (c) 9 min 10 s (d) 10 min 40 s
  39. 39.⏱️ Your video must be 60 seconds long. Your clips add up to 12 seconds. How many more seconds of video do you need?
  40. 40.⏱️ How many seconds is 3 minutes 24 seconds?

Answer key

  1. 158
  2. 26
  3. 11
  4. 229
  5. 62
  6. 22
  7. 248
  8. 137
  9. 18
  10. the sum of the clips
  11. 13
  12. 83
  13. 30
  14. 230
  15. 3 min 10 s
  16. 5 min 30 s
  17. 51
  18. 403
  19. 321
  20. 6 min 30 s
  21. 2 min 25 s
  22. 166
  23. 21
  24. 13
  25. 60
  26. 120
  27. 99
  28. 74
  29. half as long
  30. 50
  31. 3 min 15 s
  32. 42
  33. 10
  34. 8 min 30 s
  35. 4 min 0 s
  36. 95
  37. 61
  38. 9 min 40 s
  39. 48
  40. 204

Free animation and design lessons, practice and worksheets at talentjr.in/animation-for-kids