Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 119 · 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 500 × 720 pixel image to half its width and half its height. How many pixels does it have now?
2. 2.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
3. 3.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) blocky (pixelated) (d) sharper
4. 4.Which of these best fits 9:16? (a) a tall phone video (b) a square sticker (c) a laptop film screen (d) a widescreen TV
5. 5.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
7. 7.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
8. 8.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
9. 9.Which of these best fits 1:1? (a) an old-style monitor (b) a widescreen TV (c) an upright phone screen (d) a square post
10. 10.Which of these best fits 9:16? (a) a phone story clip (b) a widescreen TV (c) an album cover (d) a classic tablet screen
11. 11.Which of these best fits 4:3? (a) a square sticker (b) a classic tablet screen (c) a laptop film screen (d) a landscape video
12. 12.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
13. 13.🟦 An image is 570 × 380 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
14. 14.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) sharper (d) more colourful
15. 15.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
16. 16.🟦 A 16:9 video frame is 1760 pixels wide. How many pixels tall is it?
17. 17.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
18. 18.Which of these best fits 1:1? (a) an upright phone screen (b) a widescreen TV (c) an older TV screen (d) an album cover
19. 19.🟦 A 16:9 video frame is 450 pixels tall. How many pixels wide is it?
20. 20.🟦 What is a pixel? (a) a font size (b) a sound (c) a type of paper (d) a tiny dot of colour
21. 21.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
22. 22.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
23. 23.Which of these best fits 16:9? (a) a square profile picture (b) a square post (c) a landscape video (d) a classic tablet screen
24. 24.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
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.🟦 An image is 3360 × 1890 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
27. 27.Which of these best fits 1:1? (a) an upright phone screen (b) a tall phone video (c) a square sticker (d) a laptop film screen
28. 28.🟦 An image is 270 pixels wide and 110 pixels tall. How many pixels does it have in all?
29. 29.Which of these best fits 9:16? (a) a square sticker (b) an upright phone screen (c) a landscape video (d) a widescreen slide
30. 30.🟦 An image is 20 pixels wide and 140 pixels tall. How many pixels does it have in all?
31. 31.Which of these best fits 16:9? (a) a phone story clip (b) a square post (c) a widescreen TV (d) a square profile picture
32. 32.🟦 You shrink a 160 × 700 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 An image is 450 × 300 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
34. 34.🟦 An image is 330 × 220 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
35. 35.🟦 An image is 3520 × 1980 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
36. 36.🟦 An image is 120 pixels wide and 170 pixels tall. How many pixels does it have in all?
37. 37.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) a perfect square (d) round
38. 38.🟦 An image is 80 pixels wide and 60 pixels tall. How many pixels does it have in all?
39. 39.🟦 You shrink a 460 × 260 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 A 4:3 video frame is 280 pixels wide. How many pixels tall is it?

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