Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 241 · 40 questions

Creator's tip (Width times height): Pixels = width × height; megapixels = pixels ÷ 1000000. Aspect ratio = width : height. 16:9 wide, 4:3 squarer, 1:1 square, 9:16 tall. Keep the ratio: a 16:9 frame 1920 pixels wide is 1920 ÷ 16 × 9 = 1080 tall. Printing: inches × pixels per inch.

1. 1.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
2. 2.Which of these best fits 9:16? (a) a widescreen TV (b) a widescreen slide (c) an old-style monitor (d) a tall phone video
3. 3.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
4. 4.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
6. 6.Which of these best fits 16:9? (a) a tall phone video (b) a laptop film screen (c) a phone story clip (d) an album cover
7. 7.🟦 An image is 310 pixels wide and 250 pixels tall. How many pixels does it have in all?
8. 8.Which of these best fits 4:3? (a) a laptop film screen (b) a square profile picture (c) a classic tablet screen (d) a widescreen slide
9. 9.Which of these best fits 1:1? (a) an older TV screen (b) an upright phone screen (c) an old-style monitor (d) a square post
10. 10.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
11. 11.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
12. 12.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) longer (d) sharper
13. 13.🟦 You shrink a 260 × 120 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 You shrink a 320 × 220 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 An image is 150 pixels wide and 190 pixels tall. How many pixels does it have in all?
16. 16.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.Which of these best fits 1:1? (a) a square sticker (b) a landscape video (c) a tall phone video (d) an old-style monitor
18. 18.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) wider than it is tall (d) taller than wide
19. 19.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
20. 20.🟦 An image is 2720 × 1530 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
21. 21.🟦 An image is 80 pixels wide and 40 pixels tall. How many pixels does it have in all?
22. 22.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
23. 23.🟦 A 16:9 video frame is 1760 pixels wide. How many pixels tall is it?
24. 24.Which of these best fits 16:9? (a) a square sticker (b) a square profile picture (c) a tall phone video (d) a widescreen slide
25. 25.🟦 An image is 360 pixels wide and 370 pixels tall. How many pixels does it have in all?
26. 26.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 An image is 180 pixels wide and 20 pixels tall. How many pixels does it have in all?
28. 28.🟦 A 16:9 video frame is 1890 pixels tall. How many pixels wide is it?
29. 29.🟦 An image is 90 × 60 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
30. 30.Which of these best fits 16:9? (a) a square post (b) a tall phone video (c) a widescreen TV (d) a square sticker
31. 31.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 A 4:3 video frame is 660 pixels tall. How many pixels wide is it?
33. 33.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
34. 34.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
35. 35.🟦 An image is 560 × 420 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
36. 36.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
37. 37.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
38. 38.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
39. 39.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.🟦 You shrink a 180 × 180 pixel image to half its width and half its height. How many pixels does it have now?

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