Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 713 · 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 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
4. 4.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the file name (d) the font
6. 6.🟦 An image is 60 × 60 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
7. 7.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
8. 8.🟦 An image is 270 pixels wide and 20 pixels tall. How many pixels does it have in all?
9. 9.Which of these best fits 1:1? (a) a classic tablet screen (b) a widescreen TV (c) a square post (d) an upright phone screen
10. 10.🟦 An image is 50 pixels wide and 70 pixels tall. How many pixels does it have in all?
11. 11.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) sharper (d) exactly the same
12. 12.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
13. 13.🟦 You shrink a 180 × 80 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
15. 15.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) longer (d) louder
16. 16.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
17. 17.🟦 You shrink a 260 × 380 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.🟦 A 16:9 frame is … (a) a perfect square (b) wider than it is tall (c) round (d) taller than wide
19. 19.Which of these best fits 4:3? (a) a classic tablet screen (b) a widescreen slide (c) a widescreen TV (d) a laptop film screen
20. 20.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
21. 21.Which of these best fits 9:16? (a) a landscape video (b) a square profile picture (c) a phone story clip (d) an older TV screen
22. 22.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.🟦 An image is 2400 × 1350 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
24. 24.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
25. 25.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
26. 26.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
27. 27.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
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.Which of these best fits 4:3? (a) a square post (b) an old-style monitor (c) a widescreen TV (d) a landscape video
30. 30.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
31. 31.Which of these best fits 9:16? (a) a widescreen TV (b) a tall phone video (c) a landscape video (d) a widescreen slide
32. 32.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
33. 33.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 A 16:9 video frame is 450 pixels tall. How many pixels wide is it?
36. 36.🟦 An image is 250 pixels wide and 110 pixels tall. How many pixels does it have in all?
37. 37.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
38. 38.🟦 An image is 400 pixels wide and 90 pixels tall. How many pixels does it have in all?
39. 39.Which of these best fits 16:9? (a) a widescreen slide (b) a phone story clip (c) a square sticker (d) an album cover
40. 40.🟦 A 16:9 video frame is 3840 pixels wide. How many pixels tall is it?

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