Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 318 · 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 16:9 video frame is 720 pixels tall. How many pixels wide is it?
2. 2.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
3. 3.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
4. 4.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
5. 5.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
6. 6.🟦 An image is 480 × 320 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
7. 7.🟦 You shrink a 640 × 440 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
10. 10.Which of these best fits 1:1? (a) a landscape video (b) a widescreen slide (c) a square post (d) a laptop film screen
11. 11.Which of these best fits 16:9? (a) a square profile picture (b) a widescreen TV (c) a square sticker (d) a classic tablet screen
12. 12.🟦 An image is 270 pixels wide and 280 pixels tall. How many pixels does it have in all?
13. 13.🟦 An image is 1120 × 630 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
14. 14.🟦 The resolution of an image is … (a) the paper colour (b) the number of pixels (c) the file name (d) the font
15. 15.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
16. 16.🟦 You shrink a 40 × 380 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.🟦 You shrink a 580 × 620 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
19. 19.Which of these best fits 4:3? (a) a widescreen slide (b) a landscape video (c) a square post (d) an old-style monitor
20. 20.🟦 You shrink a 620 × 120 pixel image to half its width and half its height. How many pixels does it have now?
21. 21.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
22. 22.🟦 You shrink an 80 × 620 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
25. 25.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) louder (d) longer
26. 26.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
28. 28.Which of these best fits 16:9? (a) a laptop film screen (b) an old-style monitor (c) a square sticker (d) an older TV screen
29. 29.Which of these best fits 9:16? (a) an upright phone screen (b) a square sticker (c) a landscape video (d) an album cover
30. 30.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
31. 31.🟦 You shrink a 500 × 180 pixel image to half its width and half its height. How many pixels does it have now?
32. 32.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) round (d) wider than it is tall
33. 33.🟦 A 16:9 video frame is 1120 pixels wide. How many pixels tall is it?
34. 34.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
35. 35.🟦 You shrink a 540 × 300 pixel image to half its width and half its height. How many pixels does it have now?
36. 36.🟦 What is a pixel? (a) a type of paper (b) a tiny dot of colour (c) a sound (d) a font size
37. 37.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
38. 38.Which of these best fits 9:16? (a) an older TV screen (b) a tall phone video (c) an album cover (d) an old-style monitor
39. 39.Which of these best fits 4:3? (a) an album cover (b) a classic tablet screen (c) a square sticker (d) a landscape video
40. 40.🟦 An image is 1760 × 990 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2

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