Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 269 · 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 an 80 × 160 pixel image to half its width and half its height. How many pixels does it have now?
2. 2.🟦 The resolution of an image is … (a) the number of pixels (b) the file name (c) the paper colour (d) the font
3. 3.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
4. 4.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
5. 5.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) longer (d) blocky (pixelated)
6. 6.Which of these best fits 4:3? (a) a phone story clip (b) an old-style monitor (c) an upright phone screen (d) a tall phone video
7. 7.🟦 An image is 270 pixels wide and 120 pixels tall. How many pixels does it have in all?
8. 8.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
9. 9.🟦 You shrink a 500 × 340 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
11. 11.🟦 An image is 140 × 140 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
12. 12.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
13. 13.Which of these best fits 16:9? (a) a square post (b) an upright phone screen (c) a square profile picture (d) a landscape video
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.Which of these best fits 4:3? (a) an older TV screen (b) an album cover (c) a square profile picture (d) a phone story clip
16. 16.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
17. 17.🟦 An image is 160 pixels wide and 90 pixels tall. How many pixels does it have in all?
18. 18.🟦 You shrink a 500 × 260 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.🟦 An image is 20 × 20 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
20. 20.🟦 An image is 130 pixels wide and 100 pixels tall. How many pixels does it have in all?
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.🟦 An image is 110 pixels wide and 160 pixels tall. How many pixels does it have in all?
23. 23.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) round (d) wider than it is tall
24. 24.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
25. 25.🟦 What is a pixel? (a) a font size (b) a sound (c) a type of paper (d) a tiny dot of colour
26. 26.🟦 An image is 120 × 120 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
27. 27.🟦 A 4:3 video frame is 600 pixels wide. How many pixels tall is it?
28. 28.🟦 You shrink a 140 × 220 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.Which of these best fits 1:1? (a) a phone story clip (b) a widescreen slide (c) an album cover (d) an old-style monitor
30. 30.🟦 An image is 370 pixels wide and 330 pixels tall. How many pixels does it have in all?
31. 31.Which of these best fits 4:3? (a) a square profile picture (b) an album cover (c) a classic tablet screen (d) a square post
32. 32.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
33. 33.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.Which of these best fits 1:1? (a) a square post (b) an old-style monitor (c) an upright phone screen (d) a laptop film screen
35. 35.Which of these best fits 16:9? (a) a square profile picture (b) a phone story clip (c) an album cover (d) a laptop film screen
36. 36.🟦 An image is 420 × 280 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
37. 37.🟦 An image is 320 × 180 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
38. 38.🟦 You shrink a 300 × 140 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 You shrink a 600 × 380 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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