Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 132 · 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 aspect ratio best fits a laptop film screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
2. 2.🟦 An image is 90 pixels wide and 260 pixels tall. How many pixels does it have in all?
3. 3.🟦 An image is 70 × 70 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
4. 4.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
5. 5.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) blocky (pixelated) (d) longer
6. 6.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
8. 8.🟦 A 4:3 video frame is 760 pixels wide. How many pixels tall is it?
9. 9.Which of these best fits 1:1? (a) a square post (b) an upright phone screen (c) an older TV screen (d) a classic tablet screen
10. 10.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
11. 11.🟦 You shrink a 100 × 620 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.Which of these best fits 4:3? (a) an upright phone screen (b) a widescreen TV (c) a square profile picture (d) an older TV screen
13. 13.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
15. 15.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) sharper (c) squashed or wide (d) more colourful
16. 16.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
17. 17.🟦 An image is 40 pixels wide and 370 pixels tall. How many pixels does it have in all?
18. 18.Which of these best fits 16:9? (a) a tall phone video (b) an album cover (c) a square profile picture (d) a widescreen TV
19. 19.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.Which of these best fits 16:9? (a) a square post (b) a phone story clip (c) a landscape video (d) an upright phone screen
21. 21.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
22. 22.🟦 An image is 30 pixels wide and 280 pixels tall. How many pixels does it have in all?
23. 23.🟦 A 16:9 video frame is 450 pixels tall. How many pixels wide is it?
24. 24.Which of these best fits 9:16? (a) a square sticker (b) an older TV screen (c) an upright phone screen (d) a classic tablet screen
25. 25.🟦 An image is 360 pixels wide and 120 pixels tall. How many pixels does it have in all?
26. 26.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
27. 27.Which of these best fits 16:9? (a) a tall phone video (b) a classic tablet screen (c) a square sticker (d) a laptop film screen
28. 28.Which of these best fits 9:16? (a) a widescreen slide (b) a tall phone video (c) an album cover (d) a square profile picture
29. 29.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the paper colour (d) the file name
30. 30.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
31. 31.🟦 You shrink a 740 × 620 pixel image to half its width and half its height. How many pixels does it have now?
32. 32.🟦 An image is 320 pixels wide and 120 pixels tall. How many pixels does it have in all?
33. 33.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
34. 34.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
35. 35.Which of these best fits 1:1? (a) an upright phone screen (b) an old-style monitor (c) a widescreen TV (d) a square profile picture
36. 36.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) taller than wide (d) wider than it is tall
37. 37.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
38. 38.🟦 An image is 640 × 480 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
39. 39.🟦 What is a pixel? (a) a font size (b) a tiny dot of colour (c) a sound (d) a type of paper
40. 40.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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