Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 146 · 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.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) sharper (d) longer
4. 4.🟦 What is a pixel? (a) a sound (b) a font size (c) a tiny dot of colour (d) a type of paper
5. 5.🟦 A 16:9 frame is … (a) a perfect square (b) wider than it is tall (c) taller than wide (d) round
6. 6.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
7. 7.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
8. 8.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
9. 9.🟦 An image is 270 pixels wide and 110 pixels tall. How many pixels does it have in all?
10. 10.🟦 You shrink a 480 × 740 pixel image to half its width and half its height. How many pixels does it have now?
11. 11.Which of these best fits 1:1? (a) a widescreen slide (b) a widescreen TV (c) a phone story clip (d) a square sticker
12. 12.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
13. 13.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
14. 14.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) exactly the same (d) more colourful
15. 15.Which of these best fits 1:1? (a) a phone story clip (b) a tall phone video (c) a classic tablet screen (d) a square post
16. 16.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
17. 17.Which of these best fits 16:9? (a) a classic tablet screen (b) an old-style monitor (c) a square profile picture (d) a widescreen slide
18. 18.🟦 An image is 90 pixels wide and 290 pixels tall. How many pixels does it have in all?
19. 19.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
20. 20.Which of these best fits 4:3? (a) a classic tablet screen (b) a tall phone video (c) a widescreen slide (d) a landscape video
21. 21.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
23. 23.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the font (d) the number of pixels
24. 24.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
25. 25.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
26. 26.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
30. 30.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
31. 31.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
32. 32.Which of these best fits 9:16? (a) a square sticker (b) an old-style monitor (c) an album cover (d) an upright phone screen
33. 33.Which of these best fits 16:9? (a) a classic tablet screen (b) a tall phone video (c) a laptop film screen (d) an album cover
34. 34.Which of these best fits 4:3? (a) a widescreen TV (b) an old-style monitor (c) a phone story clip (d) a tall phone video
35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
36. 36.🟦 An image is 400 × 300 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
37. 37.Which of these best fits 16:9? (a) an upright phone screen (b) a widescreen TV (c) a classic tablet screen (d) a square post
38. 38.🟦 You shrink a 180 × 280 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
40. 40.🟦 An image is 160 pixels wide and 220 pixels tall. How many pixels does it have in all?

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