Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 105 · 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 90 pixels wide and 190 pixels tall. How many pixels does it have in all?
2. 2.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
3. 3.Which of these best fits 16:9? (a) a square profile picture (b) a widescreen slide (c) a phone story clip (d) a classic tablet screen
4. 4.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) sharper (d) squashed or wide
5. 5.🟦 An image is 80 pixels wide and 230 pixels tall. How many pixels does it have in all?
6. 6.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
7. 7.🟦 An image is 340 pixels wide and 330 pixels tall. How many pixels does it have in all?
8. 8.🟦 A 16:9 video frame is 1710 pixels tall. How many pixels wide is it?
9. 9.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
10. 10.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
11. 11.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
12. 12.Which of these best fits 16:9? (a) a square sticker (b) an album cover (c) an old-style monitor (d) a laptop film screen
13. 13.🟦 An image is 110 pixels wide and 60 pixels tall. How many pixels does it have in all?
14. 14.Which of these best fits 9:16? (a) a square post (b) a classic tablet screen (c) a laptop film screen (d) an upright phone screen
15. 15.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
16. 16.Which of these best fits 9:16? (a) a widescreen TV (b) a square sticker (c) a landscape video (d) a phone story clip
17. 17.🟦 An image is 230 pixels wide and 200 pixels tall. How many pixels does it have in all?
18. 18.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
19. 19.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) blocky (pixelated) (c) longer (d) sharper
20. 20.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a tiny dot of colour (d) a sound
21. 21.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 An image is 330 × 220 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
23. 23.🟦 The resolution of an image is … (a) the font (b) the paper colour (c) the file name (d) the number of pixels
24. 24.🟦 A 4:3 video frame is 240 pixels tall. How many pixels wide is it?
25. 25.🟦 A 16:9 video frame is 1760 pixels wide. How many pixels tall is it?
26. 26.🟦 An image is 480 × 320 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
27. 27.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) a perfect square (d) round
28. 28.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.Which of these best fits 1:1? (a) a square sticker (b) a phone story clip (c) a widescreen TV (d) a widescreen slide
30. 30.Which of these best fits 4:3? (a) an album cover (b) a square post (c) an old-style monitor (d) a tall phone video
31. 31.🟦 A 16:9 video frame is 630 pixels tall. How many pixels wide is it?
32. 32.Which of these best fits 4:3? (a) a widescreen TV (b) a landscape video (c) an older TV screen (d) a square sticker
33. 33.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
34. 34.🟦 You shrink a 120 × 680 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 An image is 800 × 600 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
36. 36.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
38. 38.Which of these best fits 1:1? (a) an upright phone screen (b) a tall phone video (c) a square post (d) a widescreen slide
39. 39.🟦 You shrink a 480 × 580 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 You shrink a 740 × 220 pixel image to half its width and half its height. How many pixels does it have now?

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