Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 579 · 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 3-inch-wide print?
2. 2.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
3. 3.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the paper colour (d) the file name
4. 4.🟦 An image is 190 × 190 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
5. 5.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.Which of these best fits 16:9? (a) a phone story clip (b) a widescreen slide (c) a square post (d) an old-style monitor
7. 7.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
8. 8.🟦 An image is 330 pixels wide and 290 pixels tall. How many pixels does it have in all?
9. 9.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
10. 10.🟦 An image is 340 pixels wide and 370 pixels tall. How many pixels does it have in all?
11. 11.🟦 An image is 2880 × 1620 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
12. 12.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
13. 13.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
14. 14.Which of these best fits 9:16? (a) an upright phone screen (b) a square profile picture (c) a square post (d) a widescreen TV
15. 15.Which of these best fits 9:16? (a) a tall phone video (b) an old-style monitor (c) a laptop film screen (d) a square profile picture
16. 16.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
17. 17.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
18. 18.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) blocky (pixelated) (d) sharper
19. 19.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
20. 20.🟦 You shrink a 440 × 460 pixel image to half its width and half its height. How many pixels does it have now?
21. 21.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
22. 22.🟦 A 4:3 video frame is 270 pixels tall. How many pixels wide is it?
23. 23.🟦 You shrink an 80 × 740 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
25. 25.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
26. 26.🟦 An image is 800 × 600 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
27. 27.🟦 You shrink a 240 × 460 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 You shrink a 180 × 220 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
33. 33.Which of these best fits 1:1? (a) a classic tablet screen (b) an album cover (c) a landscape video (d) a phone story clip
34. 34.🟦 A 4:3 video frame is 160 pixels wide. How many pixels tall is it?
35. 35.🟦 An image is 190 pixels wide and 60 pixels tall. How many pixels does it have in all?
36. 36.🟦 An image is 800 × 450 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
37. 37.🟦 An image is 150 × 100 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
38. 38.🟦 A 16:9 video frame is 3520 pixels wide. How many pixels tall is it?
39. 39.🟦 An image is 600 × 450 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
40. 40.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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