Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 481 · 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.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) sharper (d) blocky (pixelated)
2. 2.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
4. 4.🟦 You shrink a 320 × 180 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 An image is 330 pixels wide and 20 pixels tall. How many pixels does it have in all?
8. 8.🟦 A 4:3 video frame is 840 pixels wide. How many pixels tall is it?
9. 9.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a tiny dot of colour (d) a sound
10. 10.🟦 An image is 600 × 400 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
11. 11.🟦 An image is 510 × 340 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
12. 12.🟦 An image is 70 pixels wide and 170 pixels tall. How many pixels does it have in all?
13. 13.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
14. 14.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) more colourful (d) squashed or wide
15. 15.🟦 A 16:9 video frame is 1800 pixels tall. How many pixels wide is it?
16. 16.🟦 You shrink a 160 × 340 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
18. 18.Which of these best fits 16:9? (a) an album cover (b) an older TV screen (c) an old-style monitor (d) a widescreen slide
19. 19.🟦 A 4:3 video frame is 690 pixels tall. How many pixels wide is it?
20. 20.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
21. 21.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
22. 22.🟦 The resolution of an image is … (a) the font (b) the paper colour (c) the file name (d) the number of pixels
23. 23.🟦 You shrink a 260 × 380 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.Which of these best fits 9:16? (a) a widescreen slide (b) a square sticker (c) a square post (d) a phone story clip
25. 25.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 You shrink a 580 × 720 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 An image is 240 × 160 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
28. 28.🟦 A 4:3 video frame is 60 pixels tall. How many pixels wide is it?
29. 29.Which of these best fits 1:1? (a) a classic tablet screen (b) a phone story clip (c) a laptop film screen (d) an album cover
30. 30.🟦 You shrink a 440 × 740 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.Which of these best fits 4:3? (a) an upright phone screen (b) a classic tablet screen (c) a laptop film screen (d) a square profile picture
32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
33. 33.🟦 An image is 270 pixels wide and 60 pixels tall. How many pixels does it have in all?
34. 34.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.Which of these best fits 4:3? (a) a widescreen TV (b) an old-style monitor (c) a phone story clip (d) a square sticker
36. 36.Which of these best fits 9:16? (a) a widescreen TV (b) an upright phone screen (c) an album cover (d) a square sticker
37. 37.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 A 16:9 video frame is 2070 pixels tall. How many pixels wide is it?
39. 39.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1

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