Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 553 · 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 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.Which of these best fits 9:16? (a) a square sticker (b) a phone story clip (c) a widescreen TV (d) an album cover
3. 3.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
4. 4.🟦 An image is 220 pixels wide and 290 pixels tall. How many pixels does it have in all?
5. 5.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
6. 6.🟦 You shrink a 760 × 500 pixel image to half its width and half its height. How many pixels does it have now?
7. 7.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
8. 8.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
9. 9.🟦 An image is 230 pixels wide and 160 pixels tall. How many pixels does it have in all?
10. 10.🟦 An image is 210 × 140 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
11. 11.🟦 An image is 260 pixels wide and 140 pixels tall. How many pixels does it have in all?
12. 12.🟦 An image is 3360 × 1890 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
13. 13.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.Which of these best fits 4:3? (a) a landscape video (b) an older TV screen (c) an upright phone screen (d) a tall phone video
15. 15.Which of these best fits 16:9? (a) a square profile picture (b) a landscape video (c) an older TV screen (d) a square sticker
16. 16.🟦 You shrink a 480 × 360 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.Which of these best fits 16:9? (a) a square post (b) a widescreen TV (c) a square profile picture (d) an album cover
18. 18.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
19. 19.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.Which of these best fits 16:9? (a) a square sticker (b) a phone story clip (c) a classic tablet screen (d) a laptop film screen
21. 21.🟦 An image is 1600 × 900 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
22. 22.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
23. 23.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) longer (d) blocky (pixelated)
24. 24.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
25. 25.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.Which of these best fits 1:1? (a) a widescreen TV (b) a square sticker (c) a landscape video (d) an upright phone screen
27. 27.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
28. 28.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
29. 29.🟦 You shrink a 600 × 600 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
31. 31.🟦 The resolution of an image is … (a) the font (b) the file name (c) the paper colour (d) the number of pixels
32. 32.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.Which of these best fits 1:1? (a) an old-style monitor (b) a tall phone video (c) an album cover (d) a laptop film screen
34. 34.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?
35. 35.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
36. 36.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
37. 37.🟦 You shrink a 240 × 620 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 A 16:9 video frame is 1530 pixels tall. How many pixels wide is it?
39. 39.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
40. 40.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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