Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 122 · 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.Which of these best fits 16:9? (a) a square profile picture (b) an older TV screen (c) a classic tablet screen (d) a laptop film screen
2. 2.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the number of pixels (d) the file name
3. 3.Which of these best fits 1:1? (a) a landscape video (b) a tall phone video (c) a widescreen TV (d) a square profile picture
4. 4.Which of these best fits 4:3? (a) a laptop film screen (b) a widescreen slide (c) a classic tablet screen (d) an upright phone screen
5. 5.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
6. 6.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) sharper (d) more colourful
7. 7.Which of these best fits 16:9? (a) an older TV screen (b) a landscape video (c) a square profile picture (d) a tall phone video
8. 8.🟦 A 16:9 video frame is 1800 pixels tall. How many pixels wide is it?
9. 9.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
10. 10.🟦 You shrink a 100 × 280 pixel image to half its width and half its height. How many pixels does it have now?
11. 11.Which of these best fits 9:16? (a) an upright phone screen (b) an older TV screen (c) an album cover (d) a laptop film screen
12. 12.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
13. 13.🟦 An image is 30 pixels wide and 320 pixels tall. How many pixels does it have in all?
14. 14.🟦 An image is 1120 × 630 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
15. 15.🟦 An image is 140 pixels wide and 260 pixels tall. How many pixels does it have in all?
16. 16.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) sharper (c) blocky (pixelated) (d) louder
17. 17.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
18. 18.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
19. 19.🟦 An image is 130 × 130 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
20. 20.Which of these best fits 4:3? (a) a square sticker (b) a square profile picture (c) an older TV screen (d) a widescreen slide
21. 21.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
22. 22.🟦 You shrink a 400 × 480 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 You shrink a 740 × 60 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.🟦 An image is 210 pixels wide and 70 pixels tall. How many pixels does it have in all?
25. 25.🟦 You shrink a 600 × 460 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.Which of these best fits 1:1? (a) a square sticker (b) an old-style monitor (c) a laptop film screen (d) a classic tablet screen
27. 27.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 A 16:9 video frame is 270 pixels tall. How many pixels wide is it?
29. 29.🟦 An image is 320 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
30. 30.🟦 You shrink a 640 × 440 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) round (d) wider than it is tall
32. 32.🟦 A 16:9 video frame is 1980 pixels tall. How many pixels wide is it?
33. 33.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
35. 35.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
36. 36.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
38. 38.🟦 An image is 400 pixels wide and 20 pixels tall. How many pixels does it have in all?
39. 39.🟦 You shrink a 220 × 620 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a font size (d) a tiny dot of colour

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