Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 690 · 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.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
2. 2.Which of these best fits 16:9? (a) an old-style monitor (b) an older TV screen (c) a widescreen TV (d) a square post
3. 3.🟦 You shrink a 60 × 80 pixel image to half its width and half its height. How many pixels does it have now?
4. 4.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
5. 5.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
6. 6.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
7. 7.🟦 An image is 210 pixels wide and 30 pixels tall. How many pixels does it have in all?
8. 8.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) longer (d) louder
9. 9.🟦 An image is 200 × 150 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
10. 10.🟦 A 4:3 video frame is 400 pixels wide. How many pixels tall is it?
11. 11.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
12. 12.Which of these best fits 1:1? (a) an album cover (b) an old-style monitor (c) an older TV screen (d) a widescreen slide
13. 13.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
14. 14.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
15. 15.🟦 An image is 80 × 60 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
16. 16.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
17. 17.🟦 You shrink a 360 × 260 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) sharper (d) squashed or wide
19. 19.🟦 You shrink a 640 × 80 pixel image to half its width and half its height. How many pixels does it have now?
20. 20.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
21. 21.🟦 An image is 40 pixels wide and 370 pixels tall. How many pixels does it have in all?
22. 22.🟦 An image is 270 pixels wide and 70 pixels tall. How many pixels does it have in all?
23. 23.🟦 You shrink a 500 × 240 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.🟦 You shrink a 560 × 600 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) a perfect square (d) wider than it is tall
26. 26.Which of these best fits 4:3? (a) an old-style monitor (b) an upright phone screen (c) a square sticker (d) a square post
27. 27.🟦 An image is 120 × 120 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
28. 28.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
29. 29.🟦 An image is 1920 × 1080 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
30. 30.🟦 You shrink a 460 × 600 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 You shrink a 760 × 320 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 A 16:9 video frame is 2240 pixels wide. How many pixels tall is it?
34. 34.Which of these best fits 9:16? (a) a classic tablet screen (b) an older TV screen (c) a landscape video (d) a phone story clip
35. 35.🟦 A 16:9 video frame is 2070 pixels tall. How many pixels wide is it?
36. 36.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
37. 37.🟦 You shrink a 460 × 520 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 A 4:3 video frame is 150 pixels tall. How many pixels wide is it?
39. 39.🟦 An image is 10 × 10 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
40. 40.🟦 An image is 1760 × 990 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9

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