Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 225 · 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.🟦 An image is 510 × 340 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
2. 2.Which of these best fits 9:16? (a) a square profile picture (b) a widescreen slide (c) a laptop film screen (d) a tall phone video
3. 3.Which of these best fits 16:9? (a) a square post (b) a classic tablet screen (c) a widescreen slide (d) an old-style monitor
4. 4.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
5. 5.🟦 You shrink a 600 × 420 pixel image to half its width and half its height. How many pixels does it have now?
6. 6.🟦 A 16:9 video frame is 180 pixels tall. How many pixels wide is it?
7. 7.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
8. 8.🟦 You shrink a 380 × 100 pixel image to half its width and half its height. How many pixels does it have now?
9. 9.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.Which of these best fits 1:1? (a) a tall phone video (b) an old-style monitor (c) a square profile picture (d) an upright phone screen
11. 11.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
12. 12.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
13. 13.Which of these best fits 4:3? (a) a widescreen slide (b) a classic tablet screen (c) a square profile picture (d) a landscape video
14. 14.🟦 An image is 320 pixels wide and 90 pixels tall. How many pixels does it have in all?
15. 15.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
16. 16.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) blocky (pixelated) (d) longer
17. 17.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
18. 18.🟦 What is a pixel? (a) a sound (b) a font size (c) a type of paper (d) a tiny dot of colour
19. 19.🟦 A 4:3 video frame is 120 pixels tall. How many pixels wide is it?
20. 20.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
21. 21.🟦 An image is 170 × 170 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
22. 22.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) round (d) wider than it is tall
23. 23.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
24. 24.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
25. 25.🟦 An image is 760 × 570 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
26. 26.Which of these best fits 16:9? (a) a square sticker (b) a widescreen TV (c) a tall phone video (d) an older TV screen
27. 27.🟦 You shrink a 560 × 240 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 A 16:9 video frame is 2560 pixels wide. How many pixels tall is it?
29. 29.Which of these best fits 4:3? (a) an old-style monitor (b) a square sticker (c) a phone story clip (d) an upright phone screen
30. 30.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
31. 31.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
32. 32.🟦 A 16:9 video frame is 3840 pixels wide. How many pixels tall is it?
33. 33.🟦 You shrink a 260 × 200 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
35. 35.🟦 A 16:9 video frame is 960 pixels wide. How many pixels tall is it?
36. 36.Which of these best fits 1:1? (a) a landscape video (b) a laptop film screen (c) a widescreen TV (d) a square sticker
37. 37.🟦 An image is 120 × 120 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
38. 38.🟦 An image is 360 pixels wide and 350 pixels tall. How many pixels does it have in all?
39. 39.🟦 An image is 220 pixels wide and 360 pixels tall. How many pixels does it have in all?
40. 40.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3

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