Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 908 · 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.🟦 You shrink a 580 × 320 pixel image to half its width and half its height. How many pixels does it have now?
2. 2.Which of these best fits 9:16? (a) a landscape video (b) a square profile picture (c) a phone story clip (d) a widescreen TV
3. 3.🟦 An image is 160 × 160 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
4. 4.Which of these best fits 16:9? (a) a square post (b) a square sticker (c) a tall phone video (d) a laptop film screen
5. 5.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) longer (d) sharper
6. 6.🟦 A 4:3 video frame is 80 pixels wide. How many pixels tall is it?
7. 7.🟦 You shrink a 240 × 700 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
9. 9.Which of these best fits 9:16? (a) an album cover (b) a classic tablet screen (c) a widescreen slide (d) a tall phone video
10. 10.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
11. 11.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
12. 12.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) sharper (c) squashed or wide (d) more colourful
13. 13.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
14. 14.Which of these best fits 16:9? (a) an old-style monitor (b) a phone story clip (c) an older TV screen (d) a widescreen slide
15. 15.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
16. 16.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
17. 17.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
18. 18.🟦 An image is 140 pixels wide and 280 pixels tall. How many pixels does it have in all?
19. 19.🟦 An image is 180 pixels wide and 70 pixels tall. How many pixels does it have in all?
20. 20.🟦 A 16:9 frame is … (a) taller than wide (b) round (c) wider than it is tall (d) a perfect square
21. 21.🟦 An image is 70 × 70 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
22. 22.🟦 An image is 180 pixels wide and 90 pixels tall. How many pixels does it have in all?
23. 23.🟦 You shrink a 400 × 120 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.🟦 An image is 3360 × 1890 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
26. 26.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
27. 27.🟦 You shrink a 520 × 540 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 An image is 50 pixels wide and 160 pixels tall. How many pixels does it have in all?
29. 29.Which of these best fits 4:3? (a) a square sticker (b) a landscape video (c) a laptop film screen (d) an older TV screen
30. 30.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
31. 31.🟦 You shrink a 380 × 160 pixel image to half its width and half its height. How many pixels does it have now?
32. 32.🟦 An image is 260 pixels wide and 30 pixels tall. How many pixels does it have in all?
33. 33.Which of these best fits 1:1? (a) an old-style monitor (b) an older TV screen (c) a square post (d) a widescreen slide
34. 34.🟦 A 4:3 video frame is 680 pixels wide. How many pixels tall is it?
35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
36. 36.🟦 You shrink a 500 × 480 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
38. 38.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
39. 39.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
40. 40.🟦 An image is 240 × 180 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2

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