Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 257 · 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.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
2. 2.🟦 An image is 220 pixels wide and 170 pixels tall. How many pixels does it have in all?
3. 3.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) sharper (d) squashed or wide
4. 4.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) a perfect square (d) round
5. 5.🟦 An image is 60 pixels wide and 50 pixels tall. How many pixels does it have in all?
6. 6.🟦 You shrink a 260 × 760 pixel image to half its width and half its height. How many pixels does it have now?
7. 7.🟦 An image is 160 pixels wide and 390 pixels tall. How many pixels does it have in all?
8. 8.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
9. 9.🟦 An image is 230 × 230 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
10. 10.🟦 An image is 130 pixels wide and 290 pixels tall. How many pixels does it have in all?
11. 11.🟦 You shrink a 780 × 640 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
13. 13.Which of these best fits 4:3? (a) a laptop film screen (b) a square profile picture (c) an old-style monitor (d) a tall phone video
14. 14.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) blocky (pixelated) (d) sharper
15. 15.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
16. 16.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 An image is 90 × 90 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
18. 18.🟦 A 4:3 video frame is 400 pixels wide. How many pixels tall is it?
19. 19.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
21. 21.Which of these best fits 1:1? (a) a laptop film screen (b) an older TV screen (c) a square profile picture (d) a landscape video
22. 22.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the file name (d) the number of pixels
23. 23.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
24. 24.🟦 You shrink a 780 × 160 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
26. 26.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 An image is 70 pixels wide and 260 pixels tall. How many pixels does it have in all?
28. 28.Which of these best fits 1:1? (a) a phone story clip (b) a tall phone video (c) a square post (d) a laptop film screen
29. 29.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
30. 30.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
32. 32.🟦 An image is 150 pixels wide and 310 pixels tall. How many pixels does it have in all?
33. 33.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
34. 34.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a font size (d) a tiny dot of colour
35. 35.🟦 An image is 380 pixels wide and 250 pixels tall. How many pixels does it have in all?
36. 36.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
37. 37.🟦 You shrink a 780 × 700 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 You shrink a 720 × 580 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 A 4:3 video frame is 120 pixels tall. How many pixels wide is it?
40. 40.🟦 An image is 100 × 100 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3

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