Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 209 · 40 questions

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.

1. 1.⏱️ A video has three clips of 14, 13 and 41 seconds. How long is the video (in seconds)?
2. 2.⏱️ Your video must be 60 seconds long. Your clips add up to 17 seconds. How many more seconds of video do you need?
3. 3.⏱️ A 92-second clip is sped up to 4× speed. How long does it last now (in seconds)?
4. 4.⏱️ How many seconds are in 1 minute? (a) 60 (b) 10 (c) 30 (d) 100
5. 5.⏱️ Speeding a clip up to 2× makes it … (a) twice as long (b) half as long (c) silent (d) the same length
6. 6.⏱️ A 24-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
7. 7.⏱️ When you put clips one after another, the video length is … (a) the shortest clip (b) the sum of the clips (c) the longest clip (d) always 1 minute
8. 8.⏱️ A 27-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
9. 9.⏱️ How many seconds is 4 minutes 56 seconds?
10. 10.⏱️ Your video must be 120 seconds long. Your clips add up to 74 seconds. How many more seconds of video do you need?
11. 11.⏱️ A 10-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
12. 12.⏱️ A video has three clips of 19, 49 and 43 seconds. How long is the video (in seconds)?
13. 13.⏱️ A 52-second clip is sped up to 4× speed. How long does it last now (in seconds)?
14. 14.⏱️ How many seconds is 4 minutes 45 seconds?
15. 15.⏱️ A 32-second clip is sped up to 2× speed. How long does it last now (in seconds)?
16. 16.⏱️ Your video must be 60 seconds long. Your clips add up to 54 seconds. How many more seconds of video do you need?
17. 17.⏱️ A 30-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
18. 18.⏱️ A 6-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
19. 19.⏱️ 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
20. 20.⏱️ How many seconds is 1 minute 16 seconds?
21. 21.⏱️ How many seconds is 2 minutes 2 seconds?
22. 22.⏱️ A video has three clips of 59, 40 and 25 seconds. How long is the video (in seconds)?
23. 23.⏱️ An 18-second clip is sped up to 2× speed. How long does it last now (in seconds)?
24. 24.⏱️ A video is 85 seconds long. How long is that in minutes and seconds? (a) 1 min 25 s (b) 2 min 25 s (c) 1 min 55 s (d) 3 min 25 s
25. 25.⏱️ How many seconds is 4 minutes 46 seconds?
26. 26.⏱️ A video has three clips of 55, 8 and 17 seconds. How long is the video (in seconds)?
27. 27.⏱️ How many seconds is 9 minutes 49 seconds?
28. 28.⏱️ How many seconds is 3 minutes 12 seconds?
29. 29.⏱️ A video has three clips of 45, 35 and 24 seconds. How long is the video (in seconds)?
30. 30.⏱️ A video is 515 seconds long. How long is that in minutes and seconds? (a) 9 min 35 s (b) 8 min 35 s (c) 8 min 5 s (d) 5 min 15 s
31. 31.⏱️ How many seconds is 6 minutes 11 seconds?
32. 32.⏱️ How many seconds is 1 minute 27 seconds?
33. 33.⏱️ A 70-second clip is sped up to 2× speed. How long does it last now (in seconds)?
34. 34.⏱️ How many seconds is 6 minutes 33 seconds?
35. 35.⏱️ How many seconds is 4 minutes 3 seconds?
36. 36.⏱️ How many seconds is 2 minutes 27 seconds?
37. 37.⏱️ A video is 460 seconds long. How long is that in minutes and seconds? (a) 7 min 10 s (b) 4 min 60 s (c) 8 min 40 s (d) 7 min 40 s
38. 38.⏱️ How many seconds is 9 minutes 4 seconds?
39. 39.⏱️ A video has three clips of 5, 15 and 37 seconds. How long is the video (in seconds)?
40. 40.⏱️ How many seconds is 6 minutes 15 seconds?

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