Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 138 · 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 310 pixels wide and 60 pixels tall. How many pixels does it have in all?
2. 2.Which of these best fits 1:1? (a) a square post (b) a widescreen slide (c) a tall phone video (d) an older TV screen
3. 3.🟦 You shrink a 440 × 140 pixel image to half its width and half its height. How many pixels does it have now?
4. 4.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
5. 5.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) sharper (d) exactly the same
6. 6.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
7. 7.🟦 A 4:3 video frame is 600 pixels tall. How many pixels wide is it?
8. 8.Which of these best fits 9:16? (a) a tall phone video (b) an older TV screen (c) an album cover (d) a classic tablet screen
9. 9.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
10. 10.🟦 An image is 30 pixels wide and 180 pixels tall. How many pixels does it have in all?
11. 11.🟦 What is a pixel? (a) a font size (b) a sound (c) a type of paper (d) a tiny dot of colour
12. 12.🟦 An image is 130 pixels wide and 280 pixels tall. How many pixels does it have in all?
13. 13.Which of these best fits 16:9? (a) a classic tablet screen (b) a widescreen slide (c) an upright phone screen (d) a square profile picture
14. 14.🟦 A 4:3 video frame is 600 pixels wide. How many pixels tall is it?
15. 15.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
16. 16.Which of these best fits 1:1? (a) a square profile picture (b) a laptop film screen (c) a widescreen TV (d) a widescreen slide
17. 17.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the font (d) the number of pixels
18. 18.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) longer (c) louder (d) blocky (pixelated)
19. 19.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
20. 20.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
21. 21.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
22. 22.🟦 A 16:9 frame is … (a) wider than it is tall (b) a perfect square (c) round (d) taller than wide
23. 23.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
24. 24.🟦 You shrink a 200 × 380 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
26. 26.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
27. 27.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
28. 28.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
29. 29.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
30. 30.Which of these best fits 9:16? (a) an old-style monitor (b) a phone story clip (c) a square profile picture (d) a widescreen TV
31. 31.🟦 An image is 80 pixels wide and 110 pixels tall. How many pixels does it have in all?
32. 32.🟦 An image is 200 × 150 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
33. 33.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
34. 34.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
35. 35.🟦 An image is 140 pixels wide and 340 pixels tall. How many pixels does it have in all?
36. 36.🟦 An image is 30 × 30 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
37. 37.🟦 An image is 290 pixels wide and 90 pixels tall. How many pixels does it have in all?
38. 38.🟦 A 16:9 video frame is 3040 pixels wide. How many pixels tall is it?
39. 39.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.🟦 An image is 270 pixels wide and 280 pixels tall. How many pixels does it have in all?

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