Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 588 · 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 widescreen TV? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
2. 2.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
4. 4.🟦 You shrink a 220 × 780 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.Which of these best fits 4:3? (a) a landscape video (b) a square post (c) a phone story clip (d) a classic tablet screen
6. 6.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
7. 7.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) a perfect square (d) round
8. 8.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
9. 9.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
10. 10.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
11. 11.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
12. 12.Which of these best fits 9:16? (a) an older TV screen (b) a landscape video (c) an upright phone screen (d) a square post
13. 13.🟦 An image is 370 pixels wide and 30 pixels tall. How many pixels does it have in all?
14. 14.🟦 You shrink a 300 × 240 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 An image is 3200 × 1800 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
16. 16.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
17. 17.🟦 An image is 320 × 240 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
18. 18.Which of these best fits 16:9? (a) a tall phone video (b) an older TV screen (c) a widescreen TV (d) a square profile picture
19. 19.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) louder (d) longer
20. 20.Which of these best fits 1:1? (a) a widescreen slide (b) an older TV screen (c) a square sticker (d) a tall phone video
21. 21.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
22. 22.Which of these best fits 1:1? (a) a widescreen slide (b) a laptop film screen (c) an album cover (d) a widescreen TV
23. 23.🟦 An image is 100 pixels wide and 220 pixels tall. How many pixels does it have in all?
24. 24.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
25. 25.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) more colourful (d) squashed or wide
26. 26.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a tiny dot of colour (d) a sound
27. 27.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
28. 28.🟦 You shrink a 620 × 640 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
30. 30.Which of these best fits 1:1? (a) an old-style monitor (b) a widescreen TV (c) a laptop film screen (d) a square post
31. 31.Which of these best fits 16:9? (a) a square sticker (b) a square profile picture (c) a landscape video (d) an older TV screen
32. 32.🟦 An image is 170 pixels wide and 360 pixels tall. How many pixels does it have in all?
33. 33.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
34. 34.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
35. 35.🟦 A 4:3 video frame is 360 pixels tall. How many pixels wide is it?
36. 36.🟦 An image is 250 pixels wide and 40 pixels tall. How many pixels does it have in all?
37. 37.🟦 An image is 390 pixels wide and 240 pixels tall. How many pixels does it have in all?
38. 38.🟦 An image is 630 × 420 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
39. 39.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the font (d) the number of pixels
40. 40.🟦 A 16:9 video frame is 900 pixels tall. How many pixels wide is it?

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