Video Editing Worksheet: Video Length

Animation and design lesson 21: Video length sums · Set 116 · 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 29 seconds?
2. 2.⏱️ Speeding a clip up to 2× makes it … (a) twice as long (b) half as long (c) silent (d) the same length
3. 3.⏱️ How many seconds are in 1 minute? (a) 100 (b) 10 (c) 30 (d) 60
4. 4.⏱️ A 22-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
5. 5.⏱️ A video is 580 seconds long. How long is that in minutes and seconds? (a) 10 min 40 s (b) 9 min 40 s (c) 9 min 10 s (d) 5 min 80 s
6. 6.⏱️ How many seconds is 6 minutes 35 seconds?
7. 7.⏱️ Your video must be 60 seconds long. Your clips add up to 21 seconds. How many more seconds of video do you need?
8. 8.⏱️ A video is 510 seconds long. How long is that in minutes and seconds? (a) 8 min 30 s (b) 8 min 0 s (c) 9 min 30 s (d) 5 min 10 s
9. 9.⏱️ How many seconds is 9 minutes 34 seconds?
10. 10.⏱️ Your video must be 120 seconds long. Your clips add up to 25 seconds. How many more seconds of video do you need?
11. 11.⏱️ How many seconds is 1 minute 22 seconds?
12. 12.⏱️ Your video must be 120 seconds long. Your clips add up to 88 seconds. How many more seconds of video do you need?
13. 13.⏱️ How many seconds is 1 minute 12 seconds?
14. 14.⏱️ How many seconds is 1 minute 34 seconds?
15. 15.⏱️ Your video must be 120 seconds long. Your clips add up to 69 seconds. How many more seconds of video do you need?
16. 16.⏱️ How many seconds is 4 minutes 6 seconds?
17. 17.⏱️ A video has three clips of 12, 5 and 21 seconds. How long is the video (in seconds)?
18. 18.⏱️ A video is 575 seconds long. How long is that in minutes and seconds? (a) 5 min 75 s (b) 9 min 5 s (c) 10 min 35 s (d) 9 min 35 s
19. 19.⏱️ A video has three clips of 41, 10 and 24 seconds. How long is the video (in seconds)?
20. 20.⏱️ A video is 590 seconds long. How long is that in minutes and seconds? (a) 10 min 50 s (b) 9 min 50 s (c) 5 min 90 s (d) 9 min 20 s
21. 21.⏱️ How many seconds is 7 minutes 27 seconds?
22. 22.⏱️ A video is 115 seconds long. How long is that in minutes and seconds? (a) 2 min 55 s (b) 1 min 55 s (c) 1 min 25 s (d) 1 min 15 s
23. 23.⏱️ Your video must be 120 seconds long. Your clips add up to 62 seconds. How many more seconds of video do you need?
24. 24.⏱️ A video is 490 seconds long. How long is that in minutes and seconds? (a) 8 min 10 s (b) 4 min 90 s (c) 9 min 10 s (d) 8 min 40 s
25. 25.⏱️ When you put clips one after another, the video length is … (a) always 1 minute (b) the sum of the clips (c) the longest clip (d) the shortest clip
26. 26.⏱️ Your video must be 180 seconds long. Your clips add up to 173 seconds. How many more seconds of video do you need?
27. 27.⏱️ A video has three clips of 5, 33 and 38 seconds. How long is the video (in seconds)?
28. 28.⏱️ A video is 65 seconds long. How long is that in minutes and seconds? (a) 1 min 35 s (b) 1 min 5 s (c) 2 min 5 s (d) 3 min 5 s
29. 29.⏱️ A 54-second clip is sped up to 3× speed. How long does it last now (in seconds)?
30. 30.⏱️ A video has three clips of 21, 13 and 24 seconds. How long is the video (in seconds)?
31. 31.⏱️ A video has three clips of 11, 26 and 57 seconds. How long is the video (in seconds)?
32. 32.⏱️ Your video must be 60 seconds long. Your clips add up to 12 seconds. How many more seconds of video do you need?
33. 33.⏱️ 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) 2 min 55 s (d) 3 min 25 s
34. 34.⏱️ Your video must be 180 seconds long. Your clips add up to 156 seconds. How many more seconds of video do you need?
35. 35.⏱️ A 21-second clip is sped up to 3× speed. How long does it last now (in seconds)?
36. 36.⏱️ A 3-second clip is slowed to half speed (slow motion). How long does it last now (in seconds)?
37. 37.⏱️ Your video must be 90 seconds long. Your clips add up to 21 seconds. How many more seconds of video do you need?
38. 38.⏱️ A video is 545 seconds long. How long is that in minutes and seconds? (a) 10 min 5 s (b) 5 min 45 s (c) 9 min 35 s (d) 9 min 5 s
39. 39.⏱️ A video is 395 seconds long. How long is that in minutes and seconds? (a) 6 min 5 s (b) 3 min 95 s (c) 7 min 35 s (d) 6 min 35 s
40. 40.⏱️ How many seconds is 5 minutes 47 seconds?

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