Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 556 · 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 photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
3. 3.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
4. 4.🟦 What is a pixel? (a) a sound (b) a font size (c) a type of paper (d) a tiny dot of colour
5. 5.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
6. 6.Which of these best fits 9:16? (a) an album cover (b) an upright phone screen (c) a square profile picture (d) a widescreen TV
7. 7.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
8. 8.🟦 You shrink a 340 × 520 pixel image to half its width and half its height. How many pixels does it have now?
9. 9.🟦 You shrink a 500 × 300 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) longer (d) sharper
11. 11.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.Which of these best fits 16:9? (a) a square profile picture (b) a laptop film screen (c) a square post (d) a tall phone video
13. 13.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
14. 14.Which of these best fits 1:1? (a) a square post (b) a widescreen TV (c) a laptop film screen (d) an upright phone screen
15. 15.🟦 You shrink a 340 × 440 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) more colourful (d) squashed or wide
17. 17.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) a perfect square (d) round
18. 18.🟦 You shrink a 100 × 700 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.🟦 An image is 1600 × 900 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
20. 20.Which of these best fits 1:1? (a) a square sticker (b) an old-style monitor (c) a widescreen slide (d) a widescreen TV
21. 21.🟦 You shrink a 400 × 580 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 An image is 130 pixels wide and 350 pixels tall. How many pixels does it have in all?
23. 23.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
24. 24.🟦 An image is 400 × 300 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
25. 25.🟦 An image is 360 pixels wide and 160 pixels tall. How many pixels does it have in all?
26. 26.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 An image is 110 pixels wide and 240 pixels tall. How many pixels does it have in all?
28. 28.Which of these best fits 4:3? (a) a tall phone video (b) an old-style monitor (c) a laptop film screen (d) a widescreen TV
29. 29.🟦 An image is 200 pixels wide and 370 pixels tall. How many pixels does it have in all?
30. 30.🟦 An image is 190 pixels wide and 70 pixels tall. How many pixels does it have in all?
31. 31.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 An image is 220 pixels wide and 160 pixels tall. How many pixels does it have in all?
33. 33.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
34. 34.🟦 An image is 300 pixels wide and 330 pixels tall. How many pixels does it have in all?
35. 35.🟦 An image is 280 pixels wide and 130 pixels tall. How many pixels does it have in all?
36. 36.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 You shrink a 320 × 60 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 An image is 360 pixels wide and 70 pixels tall. How many pixels does it have in all?
39. 39.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
40. 40.🟦 The resolution of an image is … (a) the file name (b) the font (c) the paper colour (d) the number of pixels

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