Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 555 · 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 10 × 10 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
2. 2.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
3. 3.Which of these best fits 16:9? (a) an older TV screen (b) an old-style monitor (c) a square sticker (d) a laptop film screen
4. 4.🟦 An image is 350 pixels wide and 360 pixels tall. How many pixels does it have in all?
5. 5.🟦 An image is 1760 × 990 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
6. 6.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) wider than it is tall (d) a perfect square
7. 7.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
8. 8.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) sharper (d) blocky (pixelated)
9. 9.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
10. 10.Which of these best fits 4:3? (a) an old-style monitor (b) an album cover (c) an upright phone screen (d) a tall phone video
11. 11.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
12. 12.🟦 An image is 70 pixels wide and 80 pixels tall. How many pixels does it have in all?
13. 13.🟦 An image is 310 pixels wide and 130 pixels tall. How many pixels does it have in all?
14. 14.🟦 You shrink a 760 × 360 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 An image is 800 × 600 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
16. 16.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
17. 17.Which of these best fits 4:3? (a) a laptop film screen (b) a widescreen slide (c) an older TV screen (d) a widescreen TV
18. 18.🟦 A 16:9 video frame is 3680 pixels wide. How many pixels tall is it?
19. 19.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
20. 20.🟦 An image is 380 pixels wide and 220 pixels tall. How many pixels does it have in all?
21. 21.🟦 You shrink a 380 × 580 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
23. 23.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
25. 25.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
26. 26.Which of these best fits 16:9? (a) a widescreen TV (b) an old-style monitor (c) a phone story clip (d) a tall phone video
27. 27.Which of these best fits 16:9? (a) a classic tablet screen (b) a square sticker (c) an old-style monitor (d) a landscape video
28. 28.🟦 A 4:3 video frame is 80 pixels wide. How many pixels tall is it?
29. 29.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?
30. 30.🟦 An image is 170 × 170 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
31. 31.🟦 You shrink a 440 × 440 pixel image to half its width and half its height. How many pixels does it have now?
32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
33. 33.Which of these best fits 1:1? (a) a classic tablet screen (b) a square sticker (c) an old-style monitor (d) a widescreen slide
34. 34.🟦 A 16:9 video frame is 3520 pixels wide. How many pixels tall is it?
35. 35.🟦 You shrink a 760 × 40 pixel image to half its width and half its height. How many pixels does it have now?
36. 36.🟦 A 16:9 video frame is 1350 pixels tall. How many pixels wide is it?
37. 37.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a tiny dot of colour (d) a sound
39. 39.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the file name (d) the font
40. 40.🟦 An image is 100 pixels wide and 330 pixels tall. How many pixels does it have in all?

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