Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 326 · 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.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
2. 2.🟦 An image is 90 pixels wide and 80 pixels tall. How many pixels does it have in all?
3. 3.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
4. 4.Which of these best fits 4:3? (a) a tall phone video (b) an album cover (c) an old-style monitor (d) a square sticker
5. 5.🟦 An image is 260 pixels wide and 110 pixels tall. How many pixels does it have in all?
6. 6.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
7. 7.🟦 You shrink a 180 × 140 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) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
9. 9.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
10. 10.🟦 An image is 520 × 390 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
11. 11.Which of these best fits 1:1? (a) a laptop film screen (b) an album cover (c) an old-style monitor (d) a classic tablet screen
12. 12.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
13. 13.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
14. 14.🟦 You shrink a 180 × 420 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
16. 16.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a tiny dot of colour (d) a sound
17. 17.🟦 An image is 70 pixels wide and 80 pixels tall. How many pixels does it have in all?
18. 18.🟦 The resolution of an image is … (a) the file name (b) the number of pixels (c) the font (d) the paper colour
19. 19.🟦 An image is 80 pixels wide and 80 pixels tall. How many pixels does it have in all?
20. 20.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
21. 21.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
22. 22.Which of these best fits 16:9? (a) an older TV screen (b) an album cover (c) an upright phone screen (d) a laptop film screen
23. 23.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
24. 24.🟦 An image is 90 pixels wide and 340 pixels tall. How many pixels does it have in all?
25. 25.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
26. 26.🟦 An image is 30 pixels wide and 380 pixels tall. How many pixels does it have in all?
27. 27.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
28. 28.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
29. 29.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) sharper (d) blocky (pixelated)
30. 30.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.Which of these best fits 1:1? (a) a landscape video (b) an older TV screen (c) a classic tablet screen (d) a square sticker
32. 32.Which of these best fits 16:9? (a) an album cover (b) a square post (c) a square profile picture (d) a widescreen slide
33. 33.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
34. 34.🟦 An image is 60 × 40 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
35. 35.🟦 An image is 50 pixels wide and 130 pixels tall. How many pixels does it have in all?
36. 36.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) exactly the same (c) more colourful (d) sharper
37. 37.🟦 A 16:9 video frame is 640 pixels wide. How many pixels tall is it?
38. 38.🟦 An image is 130 pixels wide and 300 pixels tall. How many pixels does it have in all?
39. 39.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.🟦 You shrink a 240 × 240 pixel image to half its width and half its height. How many pixels does it have now?

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