Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 79 · 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.⏱️ How many seconds is 6 minutes 2 seconds?
2. 2.⏱️ A video has three clips of 12, 24 and 25 seconds. How long is the video (in seconds)?
3. 3.⏱️ A 76-second clip is sped up to 4× speed. How long does it last now (in seconds)?
4. 4.⏱️ A video has three clips of 13, 31 and 44 seconds. How long is the video (in seconds)?
5. 5.⏱️ How many seconds are in 1 minute? (a) 30 (b) 100 (c) 60 (d) 10
6. 6.⏱️ A video has three clips of 12, 52 and 33 seconds. How long is the video (in seconds)?
7. 7.⏱️ How many seconds is 7 minutes 4 seconds?
8. 8.⏱️ A video is 525 seconds long. How long is that in minutes and seconds? (a) 5 min 25 s (b) 9 min 45 s (c) 8 min 15 s (d) 8 min 45 s
9. 9.⏱️ A video has three clips of 48, 26 and 53 seconds. How long is the video (in seconds)?
10. 10.⏱️ A video is 245 seconds long. How long is that in minutes and seconds? (a) 4 min 5 s (b) 2 min 45 s (c) 5 min 5 s (d) 4 min 35 s
11. 11.⏱️ A video has three clips of 39, 11 and 12 seconds. How long is the video (in seconds)?
12. 12.⏱️ A 12-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
13. 13.⏱️ A video has three clips of 9, 20 and 36 seconds. How long is the video (in seconds)?
14. 14.⏱️ Speeding a clip up to 2× makes it … (a) twice as long (b) silent (c) half as long (d) the same length
15. 15.⏱️ A 15-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
16. 16.⏱️ How many seconds is 5 minutes 56 seconds?
17. 17.⏱️ A 72-second clip is sped up to 4× speed. How long does it last now (in seconds)?
18. 18.⏱️ A video has three clips of 14, 6 and 31 seconds. How long is the video (in seconds)?
19. 19.⏱️ How many seconds is 1 minute 36 seconds?
20. 20.⏱️ A video is 330 seconds long. How long is that in minutes and seconds? (a) 5 min 0 s (b) 5 min 30 s (c) 3 min 30 s (d) 6 min 30 s
21. 21.⏱️ How many seconds is 2 minutes 9 seconds?
22. 22.⏱️ How many seconds is 1 minute 13 seconds?
23. 23.⏱️ Your video must be 120 seconds long. Your clips add up to 79 seconds. How many more seconds of video do you need?
24. 24.⏱️ A video has three clips of 27, 19 and 16 seconds. How long is the video (in seconds)?
25. 25.⏱️ When you put clips one after another, the video length is … (a) the shortest clip (b) the longest clip (c) the sum of the clips (d) always 1 minute
26. 26.⏱️ Your video must be 120 seconds long. Your clips add up to 86 seconds. How many more seconds of video do you need?
27. 27.⏱️ How many seconds is 2 minutes 53 seconds?
28. 28.⏱️ A 114-second clip is sped up to 3× speed. How long does it last now (in seconds)?
29. 29.⏱️ Your video must be 60 seconds long. Your clips add up to 55 seconds. How many more seconds of video do you need?
30. 30.⏱️ A 21-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
31. 31.⏱️ A 117-second clip is sped up to 3× speed. How long does it last now (in seconds)?
32. 32.⏱️ A video is 425 seconds long. How long is that in minutes and seconds? (a) 8 min 5 s (b) 4 min 25 s (c) 7 min 5 s (d) 7 min 35 s
33. 33.⏱️ A 56-second clip is sped up to 2× speed. How long does it last now (in seconds)?
34. 34.⏱️ Your video must be 90 seconds long. Your clips add up to 21 seconds. How many more seconds of video do you need?
35. 35.⏱️ A 9-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
36. 36.⏱️ A 112-second clip is sped up to 4× speed. How long does it last now (in seconds)?
37. 37.⏱️ A video has three clips of 41, 59 and 19 seconds. How long is the video (in seconds)?
38. 38.⏱️ A 120-second clip is sped up to 3× speed. How long does it last now (in seconds)?
39. 39.⏱️ Your video must be 120 seconds long. Your clips add up to 73 seconds. How many more seconds of video do you need?
40. 40.⏱️ How many seconds is 2 minutes 48 seconds?

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