Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 123 · 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.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
2. 2.Which of these best fits 1:1? (a) a widescreen slide (b) a landscape video (c) a phone story clip (d) a square sticker
3. 3.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
4. 4.🟦 You shrink a 740 × 520 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.🟦 An image is 40 pixels wide and 270 pixels tall. How many pixels does it have in all?
6. 6.🟦 You shrink a 40 × 180 pixel image to half its width and half its height. How many pixels does it have now?
7. 7.🟦 A 4:3 video frame is 200 pixels wide. How many pixels tall is it?
8. 8.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) squashed or wide (d) sharper
9. 9.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) wider than it is tall (d) round
10. 10.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) blocky (pixelated) (c) longer (d) sharper
11. 11.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
12. 12.Which of these best fits 1:1? (a) an older TV screen (b) a widescreen slide (c) a square post (d) a classic tablet screen
13. 13.Which of these best fits 16:9? (a) a laptop film screen (b) a square sticker (c) a phone story clip (d) an old-style monitor
14. 14.Which of these best fits 9:16? (a) an old-style monitor (b) a landscape video (c) a phone story clip (d) a classic tablet screen
15. 15.🟦 The resolution of an image is … (a) the file name (b) the font (c) the number of pixels (d) the paper colour
16. 16.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
17. 17.Which of these best fits 9:16? (a) an old-style monitor (b) a square sticker (c) an upright phone screen (d) a landscape video
18. 18.🟦 A 16:9 video frame is 1440 pixels tall. How many pixels wide is it?
19. 19.Which of these best fits 1:1? (a) a widescreen TV (b) an album cover (c) a phone story clip (d) an old-style monitor
20. 20.🟦 An image is 100 pixels wide and 140 pixels tall. How many pixels does it have in all?
21. 21.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.Which of these best fits 4:3? (a) an older TV screen (b) a landscape video (c) an upright phone screen (d) a tall phone video
23. 23.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
24. 24.🟦 An image is 510 × 340 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
25. 25.🟦 An image is 560 × 420 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
26. 26.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
27. 27.🟦 You shrink a 520 × 140 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
29. 29.🟦 What is a pixel? (a) a font size (b) a sound (c) a tiny dot of colour (d) a type of paper
30. 30.🟦 A 4:3 video frame is 570 pixels tall. How many pixels wide is it?
31. 31.🟦 You shrink a 700 × 460 pixel image to half its width and half its height. How many pixels does it have now?
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.🟦 An image is 960 × 540 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
34. 34.🟦 An image is 200 pixels wide and 330 pixels tall. How many pixels does it have in all?
35. 35.🟦 An image is 20 pixels wide and 20 pixels tall. How many pixels does it have in all?
36. 36.🟦 You shrink a 280 × 300 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
38. 38.🟦 A 4:3 video frame is 720 pixels tall. How many pixels wide is it?
39. 39.🟦 An image is 140 × 140 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
40. 40.🟦 A 16:9 video frame is 180 pixels tall. How many pixels wide is it?

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