Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 893 · 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.🟦 A 4:3 video frame is 480 pixels tall. How many pixels wide is it?
2. 2.🟦 An image is 20 pixels wide and 100 pixels tall. How many pixels does it have in all?
3. 3.🟦 A 4:3 video frame is 680 pixels wide. How many pixels tall is it?
4. 4.Which of these best fits 9:16? (a) a widescreen slide (b) a landscape video (c) a phone story clip (d) an album cover
5. 5.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) wider than it is tall (d) a perfect square
6. 6.🟦 An image is 60 × 40 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
7. 7.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
8. 8.🟦 An image is 880 × 660 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
9. 9.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
10. 10.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) more colourful (d) sharper
11. 11.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
12. 12.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
13. 13.Which of these best fits 16:9? (a) an old-style monitor (b) a square sticker (c) a classic tablet screen (d) a widescreen TV
14. 14.🟦 An image is 360 × 270 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
15. 15.Which of these best fits 4:3? (a) an old-style monitor (b) a landscape video (c) an album cover (d) a square sticker
16. 16.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
17. 17.🟦 A 4:3 video frame is 840 pixels wide. How many pixels tall is it?
18. 18.🟦 You shrink a 320 × 580 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
21. 21.🟦 A 16:9 video frame is 640 pixels wide. How many pixels tall is it?
22. 22.Which of these best fits 9:16? (a) a widescreen TV (b) a square sticker (c) a widescreen slide (d) a tall phone video
23. 23.Which of these best fits 16:9? (a) a square sticker (b) a landscape video (c) an album cover (d) a square post
24. 24.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
25. 25.🟦 You shrink a 360 × 100 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
27. 27.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
28. 28.🟦 A 16:9 video frame is 2400 pixels wide. How many pixels tall is it?
29. 29.🟦 An image is 510 × 340 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
30. 30.🟦 An image is 300 pixels wide and 140 pixels tall. How many pixels does it have in all?
31. 31.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
32. 32.🟦 You shrink a 520 × 340 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 The resolution of an image is … (a) the font (b) the file name (c) the number of pixels (d) the paper colour
34. 34.🟦 An image is 320 × 240 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
35. 35.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) sharper (d) blocky (pixelated)
36. 36.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 An image is 440 × 330 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
38. 38.🟦 An image is 260 pixels wide and 150 pixels tall. How many pixels does it have in all?
39. 39.Which of these best fits 1:1? (a) an older TV screen (b) a square post (c) a tall phone video (d) an upright phone screen
40. 40.Which of these best fits 1:1? (a) an album cover (b) a laptop film screen (c) a widescreen TV (d) a phone story clip

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