Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 728 · 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 a 480 × 660 pixel image to half its width and half its height. How many pixels does it have now?
2. 2.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) longer (c) blocky (pixelated) (d) louder
3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
4. 4.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
5. 5.🟦 A 16:9 video frame is 1890 pixels tall. How many pixels wide is it?
6. 6.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
7. 7.🟦 An image is 280 pixels wide and 220 pixels tall. How many pixels does it have in all?
8. 8.🟦 You shrink a 60 × 380 pixel image to half its width and half its height. How many pixels does it have now?
9. 9.Which of these best fits 9:16? (a) an old-style monitor (b) an upright phone screen (c) a square sticker (d) a classic tablet screen
10. 10.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.Which of these best fits 16:9? (a) an album cover (b) an old-style monitor (c) a widescreen TV (d) an upright phone screen
12. 12.🟦 A 4:3 video frame is 800 pixels wide. How many pixels tall is it?
13. 13.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.Which of these best fits 16:9? (a) a phone story clip (b) a laptop film screen (c) a classic tablet screen (d) a square profile picture
16. 16.🟦 An image is 90 pixels wide and 350 pixels tall. How many pixels does it have in all?
17. 17.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a type of paper (d) a sound
18. 18.🟦 You shrink a 240 × 620 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) a perfect square (d) round
20. 20.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
21. 21.🟦 An image is 20 pixels wide and 330 pixels tall. How many pixels does it have in all?
22. 22.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.🟦 A 4:3 video frame is 600 pixels wide. How many pixels tall is it?
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 square post? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
26. 26.🟦 You shrink a 160 × 780 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
28. 28.Which of these best fits 4:3? (a) an older TV screen (b) a square profile picture (c) a widescreen TV (d) a landscape video
29. 29.🟦 An image is 150 × 100 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
30. 30.🟦 An image is 170 pixels wide and 100 pixels tall. How many pixels does it have in all?
31. 31.🟦 You shrink an 800 × 800 pixel image to half its width and half its height. How many pixels does it have now?
32. 32.Which of these best fits 16:9? (a) a square post (b) an album cover (c) a square sticker (d) a landscape video
33. 33.🟦 You shrink a 480 × 340 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
35. 35.🟦 An image is 30 × 30 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
36. 36.🟦 An image is 230 pixels wide and 370 pixels tall. How many pixels does it have in all?
37. 37.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
39. 39.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
40. 40.🟦 You shrink a 740 × 280 pixel image to half its width and half its height. How many pixels does it have now?

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