Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 150 · 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.🟦 The resolution of an image is … (a) the number of pixels (b) the file name (c) the font (d) the paper colour
2. 2.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
3. 3.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
4. 4.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a sound (d) a tiny dot of colour
5. 5.🟦 An image is 190 pixels wide and 220 pixels tall. How many pixels does it have in all?
6. 6.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 An image is 360 × 270 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
8. 8.Which of these best fits 9:16? (a) a tall phone video (b) an older TV screen (c) a landscape video (d) a widescreen TV
9. 9.Which of these best fits 16:9? (a) a square profile picture (b) a laptop film screen (c) an older TV screen (d) a square sticker
10. 10.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
11. 11.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
12. 12.🟦 An image is 140 pixels wide and 350 pixels tall. How many pixels does it have in all?
13. 13.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.Which of these best fits 1:1? (a) a square post (b) a widescreen TV (c) a phone story clip (d) an older TV screen
15. 15.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) louder (d) longer
16. 16.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
17. 17.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
18. 18.🟦 An image is 760 × 570 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
19. 19.🟦 You shrink a 640 × 500 pixel image to half its width and half its height. How many pixels does it have now?
20. 20.🟦 A 4:3 video frame is 600 pixels wide. How many pixels tall is it?
21. 21.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) squashed or wide (d) more colourful
24. 24.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
25. 25.🟦 An image is 310 pixels wide and 60 pixels tall. How many pixels does it have in all?
26. 26.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
27. 27.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) wider than it is tall (d) a perfect square
28. 28.🟦 You shrink a 200 × 220 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
30. 30.🟦 An image is 270 × 180 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
31. 31.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 An image is 150 × 100 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
33. 33.🟦 An image is 570 × 380 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
34. 34.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
35. 35.🟦 An image is 420 × 280 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
36. 36.🟦 An image is 400 pixels wide and 220 pixels tall. How many pixels does it have in all?
37. 37.🟦 You shrink a 740 × 720 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 You shrink a 760 × 380 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 A 16:9 video frame is 2400 pixels wide. How many pixels tall is it?
40. 40.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9

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