Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 978 · 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 180 × 120 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
2. 2.🟦 An image is 190 × 190 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
3. 3.🟦 An image is 90 pixels wide and 350 pixels tall. How many pixels does it have in all?
4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) sharper (d) blocky (pixelated)
5. 5.🟦 You shrink a 700 × 320 pixel image to half its width and half its height. How many pixels does it have now?
6. 6.Which of these best fits 16:9? (a) an album cover (b) an older TV screen (c) a landscape video (d) a classic tablet screen
7. 7.🟦 A 4:3 video frame is 720 pixels tall. How many pixels wide is it?
8. 8.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.🟦 You shrink a 380 × 680 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
11. 11.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
12. 12.Which of these best fits 4:3? (a) a widescreen TV (b) an old-style monitor (c) an upright phone screen (d) a laptop film screen
13. 13.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
14. 14.Which of these best fits 9:16? (a) a landscape video (b) an old-style monitor (c) an upright phone screen (d) a laptop film screen
15. 15.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) more colourful (d) sharper
16. 16.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 An image is 220 pixels wide and 200 pixels tall. How many pixels does it have in all?
18. 18.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
19. 19.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 What is a pixel? (a) a font size (b) a tiny dot of colour (c) a sound (d) a type of paper
21. 21.🟦 An image is 70 × 70 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
22. 22.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
23. 23.🟦 An image is 360 × 270 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
24. 24.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
25. 25.🟦 An image is 3520 × 1980 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
26. 26.🟦 You shrink a 120 × 640 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 An image is 2720 × 1530 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
28. 28.🟦 An image is 320 pixels wide and 30 pixels tall. How many pixels does it have in all?
29. 29.🟦 A 16:9 video frame is 450 pixels tall. How many pixels wide is it?
30. 30.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.Which of these best fits 4:3? (a) an upright phone screen (b) an older TV screen (c) a phone story clip (d) a widescreen TV
32. 32.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
33. 33.Which of these best fits 4:3? (a) a square post (b) a tall phone video (c) a classic tablet screen (d) a square profile picture
34. 34.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
36. 36.🟦 An image is 320 × 180 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
37. 37.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
38. 38.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
39. 39.🟦 An image is 330 pixels wide and 20 pixels tall. How many pixels does it have in all?
40. 40.Which of these best fits 1:1? (a) a widescreen TV (b) a tall phone video (c) a square post (d) an upright phone screen

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