Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 933 · 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 9-inch-wide print?
2. 2.🟦 An image is 420 × 280 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
3. 3.🟦 An image is 60 pixels wide and 270 pixels tall. How many pixels does it have in all?
4. 4.🟦 An image is 20 pixels wide and 30 pixels tall. How many pixels does it have in all?
5. 5.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
6. 6.Which of these best fits 16:9? (a) a classic tablet screen (b) a landscape video (c) a square sticker (d) an old-style monitor
7. 7.🟦 An image is 370 pixels wide and 300 pixels tall. How many pixels does it have in all?
8. 8.🟦 An image is 330 pixels wide and 350 pixels tall. How many pixels does it have in all?
9. 9.🟦 You shrink a 660 × 280 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
11. 11.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 A 16:9 video frame is 1120 pixels wide. How many pixels tall is it?
13. 13.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
14. 14.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
15. 15.Which of these best fits 9:16? (a) an older TV screen (b) an old-style monitor (c) a phone story clip (d) a widescreen TV
16. 16.🟦 An image is 180 pixels wide and 200 pixels tall. How many pixels does it have in all?
17. 17.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
18. 18.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
19. 19.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.Which of these best fits 16:9? (a) a square profile picture (b) a widescreen slide (c) an album cover (d) a square post
21. 21.🟦 An image is 100 pixels wide and 180 pixels tall. How many pixels does it have in all?
22. 22.🟦 You shrink a 200 × 80 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
25. 25.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the file name (d) the font
26. 26.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.Which of these best fits 4:3? (a) an album cover (b) a widescreen TV (c) an older TV screen (d) a widescreen slide
28. 28.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a sound (d) a tiny dot of colour
29. 29.🟦 An image is 30 pixels wide and 390 pixels tall. How many pixels does it have in all?
30. 30.🟦 A 16:9 video frame is 1170 pixels tall. How many pixels wide is it?
31. 31.Which of these best fits 16:9? (a) a square post (b) a widescreen TV (c) a square profile picture (d) an old-style monitor
32. 32.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) sharper (d) louder
33. 33.🟦 You shrink a 740 × 460 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 An image is 3520 × 1980 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
35. 35.Which of these best fits 9:16? (a) a square sticker (b) a square profile picture (c) a tall phone video (d) a landscape video
36. 36.🟦 An image is 960 × 720 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
37. 37.🟦 You shrink a 460 × 60 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 An image is 70 pixels wide and 300 pixels tall. How many pixels does it have in all?
39. 39.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
40. 40.🟦 You shrink a 400 × 420 pixel image to half its width and half its height. How many pixels does it have now?

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