Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 799 · 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 210 pixels wide and 290 pixels tall. How many pixels does it have in all?
2. 2.Which of these best fits 16:9? (a) a phone story clip (b) a square profile picture (c) an old-style monitor (d) a widescreen slide
3. 3.Which of these best fits 16:9? (a) a square post (b) an album cover (c) a phone story clip (d) a landscape video
4. 4.Which of these best fits 4:3? (a) a widescreen slide (b) a square profile picture (c) an older TV screen (d) a landscape video
5. 5.🟦 You shrink a 620 × 760 pixel image to half its width and half its height. How many pixels does it have now?
6. 6.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) more colourful (d) exactly the same
7. 7.🟦 You shrink a 680 × 140 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
9. 9.🟦 An image is 640 × 480 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
10. 10.🟦 You shrink a 200 × 380 pixel image to half its width and half its height. How many pixels does it have now?
11. 11.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) sharper (d) blocky (pixelated)
12. 12.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
13. 13.Which of these best fits 1:1? (a) an upright phone screen (b) a square post (c) a widescreen TV (d) an older TV screen
14. 14.🟦 An image is 370 pixels wide and 220 pixels tall. How many pixels does it have in all?
15. 15.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
16. 16.🟦 A 4:3 video frame is 200 pixels wide. How many pixels tall is it?
17. 17.🟦 An image is 480 × 320 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
18. 18.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
19. 19.🟦 You shrink a 300 × 60 pixel image to half its width and half its height. How many pixels does it have now?
20. 20.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
21. 21.🟦 An image is 110 pixels wide and 80 pixels tall. How many pixels does it have in all?
22. 22.Which of these best fits 1:1? (a) an older TV screen (b) a widescreen TV (c) an album cover (d) a laptop film screen
23. 23.🟦 You shrink a 280 × 360 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.🟦 An image is 210 × 210 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
25. 25.🟦 You shrink a 640 × 340 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 An image is 1920 × 1080 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
27. 27.Which of these best fits 4:3? (a) a widescreen TV (b) an old-style monitor (c) an upright phone screen (d) an album cover
28. 28.🟦 You shrink a 520 × 280 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
30. 30.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.Which of these best fits 9:16? (a) a tall phone video (b) a widescreen TV (c) a classic tablet screen (d) a widescreen slide
32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
33. 33.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
34. 34.Which of these best fits 16:9? (a) a phone story clip (b) a square post (c) a widescreen TV (d) a square sticker
35. 35.🟦 A 16:9 video frame is 3360 pixels wide. How many pixels tall is it?
36. 36.🟦 You shrink a 680 × 740 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 You shrink a 260 × 40 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
40. 40.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?

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