Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 443 · 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.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
2. 2.🟦 A 4:3 video frame is 330 pixels tall. How many pixels wide is it?
3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
4. 4.Which of these best fits 9:16? (a) an upright phone screen (b) an album cover (c) an old-style monitor (d) a classic tablet screen
5. 5.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
6. 6.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) sharper (d) louder
7. 7.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
8. 8.🟦 An image is 340 pixels wide and 110 pixels tall. How many pixels does it have in all?
9. 9.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a font size (d) a type of paper
10. 10.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
11. 11.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
12. 12.🟦 A 4:3 video frame is 480 pixels wide. How many pixels tall is it?
13. 13.🟦 You shrink a 440 × 140 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
15. 15.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.Which of these best fits 16:9? (a) a tall phone video (b) a classic tablet screen (c) a square post (d) a widescreen slide
17. 17.🟦 You shrink a 700 × 560 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
20. 20.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
21. 21.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
22. 22.🟦 You shrink a 120 × 320 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 A 4:3 video frame is 600 pixels wide. How many pixels tall is it?
24. 24.🟦 The resolution of an image is … (a) the file name (b) the font (c) the number of pixels (d) the paper colour
25. 25.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
27. 27.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) more colourful (d) exactly the same
28. 28.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
29. 29.🟦 A 16:9 video frame is 1760 pixels wide. How many pixels tall is it?
30. 30.🟦 An image is 80 pixels wide and 330 pixels tall. How many pixels does it have in all?
31. 31.Which of these best fits 9:16? (a) a laptop film screen (b) a landscape video (c) a tall phone video (d) an old-style monitor
32. 32.🟦 You shrink a 260 × 720 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 An image is 130 pixels wide and 370 pixels tall. How many pixels does it have in all?
34. 34.Which of these best fits 16:9? (a) an old-style monitor (b) a classic tablet screen (c) a laptop film screen (d) a tall phone video
35. 35.🟦 A 16:9 frame is … (a) a perfect square (b) wider than it is tall (c) round (d) taller than wide
36. 36.🟦 An image is 40 × 40 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
37. 37.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 An image is 180 pixels wide and 260 pixels tall. How many pixels does it have in all?
39. 39.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
40. 40.🟦 An image is 20 × 20 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1

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