Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 854 · 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.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a font size (d) a type of paper
2. 2.🟦 You shrink a 360 × 680 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) exactly the same (d) squashed or wide
4. 4.🟦 An image is 420 × 280 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
5. 5.🟦 You shrink a 280 × 740 pixel image to half its width and half its height. How many pixels does it have now?
6. 6.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
7. 7.🟦 An image is 80 × 60 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
8. 8.🟦 An image is 170 × 170 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
9. 9.Which of these best fits 16:9? (a) an old-style monitor (b) an older TV screen (c) an album cover (d) a widescreen TV
10. 10.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) louder (d) longer
12. 12.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) wider than it is tall (d) a perfect square
13. 13.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
14. 14.Which of these best fits 16:9? (a) a phone story clip (b) a tall phone video (c) a widescreen slide (d) an old-style monitor
15. 15.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
16. 16.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 An image is 400 pixels wide and 200 pixels tall. How many pixels does it have in all?
18. 18.Which of these best fits 9:16? (a) an old-style monitor (b) a laptop film screen (c) a widescreen TV (d) a phone story clip
19. 19.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
20. 20.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
21. 21.🟦 You shrink a 220 × 440 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.Which of these best fits 9:16? (a) a laptop film screen (b) a tall phone video (c) a landscape video (d) an older TV screen
23. 23.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
24. 24.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
25. 25.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.Which of these best fits 16:9? (a) a classic tablet screen (b) a square sticker (c) an album cover (d) a laptop film screen
27. 27.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
28. 28.🟦 An image is 20 pixels wide and 220 pixels tall. How many pixels does it have in all?
29. 29.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the font (d) the number of pixels
30. 30.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
31. 31.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 An image is 230 × 230 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
33. 33.🟦 You shrink a 220 × 140 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
35. 35.🟦 An image is 3840 × 2160 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
36. 36.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.Which of these best fits 4:3? (a) a laptop film screen (b) a phone story clip (c) an album cover (d) an older TV screen
39. 39.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
40. 40.🟦 A 16:9 video frame is 3840 pixels wide. How many pixels tall is it?

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