Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 424 · 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 of these best fits 9:16? (a) a phone story clip (b) a widescreen slide (c) a square post (d) a square sticker
2. 2.🟦 A 16:9 video frame is 630 pixels tall. How many pixels wide is it?
3. 3.Which of these best fits 1:1? (a) an upright phone screen (b) a phone story clip (c) an older TV screen (d) a square profile picture
4. 4.🟦 You shrink a 380 × 580 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) longer (d) louder
6. 6.🟦 You shrink a 520 × 100 pixel image to half its width and half its height. How many pixels does it have now?
7. 7.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
8. 8.🟦 An image is 400 pixels wide and 210 pixels tall. How many pixels does it have in all?
9. 9.Which of these best fits 9:16? (a) a tall phone video (b) an album cover (c) a square post (d) a square sticker
10. 10.🟦 A 4:3 video frame is 180 pixels tall. How many pixels wide is it?
11. 11.Which of these best fits 1:1? (a) an album cover (b) a landscape video (c) a widescreen slide (d) an older TV screen
12. 12.🟦 You shrink a 100 × 220 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.🟦 You shrink a 680 × 80 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
16. 16.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
17. 17.🟦 A 16:9 video frame is 3840 pixels wide. How many pixels tall is it?
18. 18.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.🟦 An image is 250 pixels wide and 70 pixels tall. How many pixels does it have in all?
20. 20.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
22. 22.🟦 A 16:9 frame is … (a) wider than it is tall (b) a perfect square (c) taller than wide (d) round
23. 23.🟦 You shrink a 660 × 360 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.🟦 You shrink a 120 × 120 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
26. 26.🟦 A 16:9 video frame is 960 pixels wide. How many pixels tall is it?
27. 27.Which of these best fits 4:3? (a) a widescreen slide (b) a phone story clip (c) a landscape video (d) an older TV screen
28. 28.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
29. 29.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
30. 30.🟦 You shrink a 780 × 600 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
33. 33.🟦 An image is 160 pixels wide and 390 pixels tall. How many pixels does it have in all?
34. 34.🟦 A 4:3 video frame is 120 pixels tall. How many pixels wide is it?
35. 35.🟦 A 16:9 video frame is 2240 pixels wide. How many pixels tall is it?
36. 36.🟦 You shrink an 800 × 40 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
38. 38.🟦 An image is 190 pixels wide and 250 pixels tall. How many pixels does it have in all?
39. 39.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
40. 40.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) exactly the same (c) more colourful (d) sharper

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