Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 312 · 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 an album cover? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
2. 2.🟦 An image is 40 pixels wide and 350 pixels tall. How many pixels does it have in all?
3. 3.🟦 An image is 390 pixels wide and 320 pixels tall. How many pixels does it have in all?
4. 4.🟦 You shrink a 40 × 380 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
6. 6.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
7. 7.🟦 You shrink a 600 × 360 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
10. 10.Which of these best fits 4:3? (a) a widescreen TV (b) a square profile picture (c) an upright phone screen (d) an older TV screen
11. 11.🟦 An image is 360 pixels wide and 350 pixels tall. How many pixels does it have in all?
12. 12.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a sound (d) a tiny dot of colour
13. 13.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
14. 14.🟦 You shrink a 200 × 480 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 An image is 240 × 160 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
16. 16.🟦 You shrink a 420 × 540 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) sharper (d) exactly the same
18. 18.🟦 A 16:9 video frame is 1980 pixels tall. How many pixels wide is it?
19. 19.🟦 An image is 250 pixels wide and 290 pixels tall. How many pixels does it have in all?
20. 20.Which of these best fits 1:1? (a) a landscape video (b) an older TV screen (c) an old-style monitor (d) a square sticker
21. 21.Which of these best fits 16:9? (a) an old-style monitor (b) a square post (c) an upright phone screen (d) a widescreen TV
22. 22.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) sharper (d) blocky (pixelated)
23. 23.Which of these best fits 1:1? (a) an old-style monitor (b) a laptop film screen (c) an upright phone screen (d) an album cover
24. 24.🟦 An image is 210 × 210 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
26. 26.🟦 An image is 10 × 10 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
27. 27.Which of these best fits 4:3? (a) a landscape video (b) a widescreen TV (c) a square sticker (d) a classic tablet screen
28. 28.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
29. 29.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 An image is 180 × 180 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
31. 31.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
32. 32.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
33. 33.🟦 An image is 270 pixels wide and 160 pixels tall. How many pixels does it have in all?
34. 34.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
35. 35.Which of these best fits 4:3? (a) a landscape video (b) a square post (c) a widescreen slide (d) an old-style monitor
36. 36.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
37. 37.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the number of pixels (d) the font
38. 38.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 You shrink a 580 × 560 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.Which of these best fits 9:16? (a) an album cover (b) an older TV screen (c) a square profile picture (d) a phone story clip

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