Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 806 · 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 630 × 420 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
2. 2.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
3. 3.Which of these best fits 9:16? (a) an older TV screen (b) a tall phone video (c) a widescreen slide (d) a laptop film screen
4. 4.🟦 An image is 1600 × 900 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
5. 5.🟦 The resolution of an image is … (a) the paper colour (b) the number of pixels (c) the file name (d) the font
6. 6.🟦 You shrink a 720 × 160 pixel image to half its width and half its height. How many pixels does it have now?
7. 7.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) exactly the same (c) more colourful (d) sharper
8. 8.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
9. 9.🟦 An image is 70 pixels wide and 120 pixels tall. How many pixels does it have in all?
10. 10.🟦 A 16:9 video frame is 1080 pixels tall. How many pixels wide is it?
11. 11.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a font size (d) a tiny dot of colour
12. 12.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
13. 13.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
14. 14.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.Which of these best fits 16:9? (a) a classic tablet screen (b) a widescreen slide (c) an upright phone screen (d) a phone story clip
16. 16.Which of these best fits 9:16? (a) a phone story clip (b) a widescreen TV (c) a square post (d) a square profile picture
17. 17.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) longer (c) louder (d) sharper
18. 18.Which of these best fits 4:3? (a) a laptop film screen (b) a phone story clip (c) an old-style monitor (d) a widescreen slide
19. 19.🟦 An image is 60 × 40 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
20. 20.🟦 An image is 20 × 20 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
21. 21.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
22. 22.🟦 An image is 130 pixels wide and 350 pixels tall. How many pixels does it have in all?
23. 23.🟦 An image is 180 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
24. 24.Which of these best fits 4:3? (a) a phone story clip (b) an album cover (c) a classic tablet screen (d) a square sticker
25. 25.🟦 An image is 90 pixels wide and 190 pixels tall. How many pixels does it have in all?
26. 26.Which of these best fits 1:1? (a) an older TV screen (b) a tall phone video (c) a square profile picture (d) a widescreen slide
27. 27.🟦 You shrink a 440 × 740 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 3200 pixels wide. How many pixels tall is it?
29. 29.🟦 You shrink a 460 × 680 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 An image is 3200 × 1800 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
32. 32.🟦 An image is 480 × 360 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
33. 33.🟦 You shrink a 160 × 720 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
35. 35.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
36. 36.🟦 A 4:3 video frame is 600 pixels tall. How many pixels wide is it?
37. 37.Which of these best fits 9:16? (a) a widescreen TV (b) a widescreen slide (c) an upright phone screen (d) a classic tablet screen
38. 38.🟦 An image is 170 pixels wide and 150 pixels tall. How many pixels does it have in all?
39. 39.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
40. 40.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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