Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 229 · 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 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 An image is 190 pixels wide and 80 pixels tall. How many pixels does it have in all?
3. 3.Which of these best fits 4:3? (a) a phone story clip (b) an old-style monitor (c) a tall phone video (d) an album cover
4. 4.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
5. 5.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) louder (d) longer
7. 7.Which of these best fits 9:16? (a) a phone story clip (b) a laptop film screen (c) a classic tablet screen (d) a widescreen slide
8. 8.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
9. 9.🟦 You shrink a 760 × 180 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
11. 11.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
12. 12.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the font (d) the number of pixels
13. 13.Which of these best fits 4:3? (a) a square post (b) a landscape video (c) a widescreen TV (d) an older TV screen
14. 14.🟦 An image is 320 × 240 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
15. 15.Which of these best fits 16:9? (a) a phone story clip (b) an upright phone screen (c) a widescreen TV (d) an album cover
16. 16.Which of these best fits 4:3? (a) a landscape video (b) a widescreen TV (c) a widescreen slide (d) a classic tablet screen
17. 17.🟦 What is a pixel? (a) a font size (b) a sound (c) a tiny dot of colour (d) a type of paper
18. 18.Which of these best fits 16:9? (a) a laptop film screen (b) a square sticker (c) a square post (d) a square profile picture
19. 19.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) squashed or wide (d) sharper
20. 20.🟦 An image is 420 × 280 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
21. 21.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) wider than it is tall (d) a perfect square
22. 22.🟦 An image is 120 × 80 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
23. 23.🟦 A 16:9 video frame is 1440 pixels wide. How many pixels tall is it?
24. 24.🟦 A 16:9 video frame is 1120 pixels wide. How many pixels tall is it?
25. 25.🟦 An image is 600 × 400 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
26. 26.🟦 An image is 640 × 480 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
27. 27.🟦 You shrink a 240 × 800 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 A 16:9 video frame is 1920 pixels wide. How many pixels tall is it?
29. 29.🟦 You shrink a 640 × 780 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
31. 31.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
32. 32.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
33. 33.🟦 An image is 800 × 450 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
34. 34.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
36. 36.🟦 A 4:3 video frame is 60 pixels tall. How many pixels wide is it?
37. 37.🟦 A 4:3 video frame is 960 pixels wide. How many pixels tall is it?
38. 38.Which of these best fits 1:1? (a) an upright phone screen (b) an older TV screen (c) a square sticker (d) a landscape video
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.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1

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