Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 798 · 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 160 × 120 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
2. 2.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) round (d) a perfect square
3. 3.🟦 You shrink a 580 × 320 pixel image to half its width and half its height. How many pixels does it have now?
4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) longer (d) louder
5. 5.Which of these best fits 16:9? (a) a widescreen TV (b) a tall phone video (c) an album cover (d) a square post
6. 6.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
7. 7.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
8. 8.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
9. 9.🟦 An image is 600 × 450 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
10. 10.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.Which of these best fits 16:9? (a) a phone story clip (b) a tall phone video (c) a landscape video (d) a classic tablet screen
12. 12.🟦 You shrink a 340 × 280 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.🟦 You shrink a 180 × 800 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 An image is 290 pixels wide and 120 pixels tall. How many pixels does it have in all?
16. 16.🟦 An image is 70 pixels wide and 70 pixels tall. How many pixels does it have in all?
17. 17.🟦 An image is 210 × 210 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
18. 18.Which of these best fits 4:3? (a) a landscape video (b) an older TV screen (c) a laptop film screen (d) an upright phone screen
19. 19.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
21. 21.🟦 The resolution of an image is … (a) the file name (b) the font (c) the number of pixels (d) the paper colour
22. 22.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
23. 23.🟦 An image is 80 pixels wide and 380 pixels tall. How many pixels does it have in all?
24. 24.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a sound (d) a tiny dot of colour
25. 25.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
27. 27.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
29. 29.🟦 You shrink a 780 × 600 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
32. 32.🟦 An image is 250 pixels wide and 240 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 10-inch-wide print?
34. 34.🟦 An image is 330 pixels wide and 50 pixels tall. How many pixels does it have in all?
35. 35.🟦 An image is 220 pixels wide and 130 pixels tall. How many pixels does it have in all?
36. 36.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 An image is 160 × 160 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
39. 39.🟦 A 4:3 video frame is 510 pixels tall. How many pixels wide is it?
40. 40.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16

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