Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 74 · 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 an 800 × 520 pixel image to half its width and half its height. How many pixels does it have now?
2. 2.Which of these best fits 4:3? (a) a tall phone video (b) a landscape video (c) a laptop film screen (d) a classic tablet screen
3. 3.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) longer (d) sharper
4. 4.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
5. 5.🟦 You shrink a 760 × 440 pixel image to half its width and half its height. How many pixels does it have now?
6. 6.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
7. 7.🟦 A 4:3 video frame is 760 pixels wide. How many pixels tall is it?
8. 8.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
9. 9.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) wider than it is tall (d) round
10. 10.🟦 You shrink a 120 × 160 pixel image to half its width and half its height. How many pixels does it have now?
11. 11.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
12. 12.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
13. 13.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.🟦 An image is 160 × 120 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
15. 15.🟦 An image is 300 pixels wide and 40 pixels tall. How many pixels does it have in all?
16. 16.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
17. 17.🟦 A 16:9 video frame is 900 pixels tall. How many pixels wide is it?
18. 18.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
19. 19.🟦 A 16:9 video frame is 810 pixels tall. How many pixels wide is it?
20. 20.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
21. 21.Which of these best fits 16:9? (a) an old-style monitor (b) a laptop film screen (c) a square profile picture (d) a square post
22. 22.🟦 An image is 3840 × 2160 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
23. 23.Which of these best fits 1:1? (a) a phone story clip (b) a widescreen TV (c) a square sticker (d) a laptop film screen
24. 24.Which of these best fits 4:3? (a) a tall phone video (b) a phone story clip (c) an old-style monitor (d) a square sticker
25. 25.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
26. 26.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
27. 27.🟦 A 4:3 video frame is 480 pixels wide. How many pixels tall is it?
28. 28.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) exactly the same (d) more colourful
29. 29.🟦 An image is 150 pixels wide and 310 pixels tall. How many pixels does it have in all?
30. 30.🟦 A 4:3 video frame is 960 pixels wide. How many pixels tall is it?
31. 31.🟦 An image is 210 pixels wide and 180 pixels tall. How many pixels does it have in all?
32. 32.🟦 An image is 350 pixels wide and 340 pixels tall. How many pixels does it have in all?
33. 33.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
34. 34.🟦 You shrink a 220 × 600 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 An image is 540 × 360 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
36. 36.🟦 You shrink a 180 × 340 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.Which of these best fits 1:1? (a) a widescreen TV (b) a square post (c) a landscape video (d) an old-style monitor
38. 38.🟦 An image is 190 pixels wide and 320 pixels tall. How many pixels does it have in all?
39. 39.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?

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