Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 211 · 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) longer (b) blocky (pixelated) (c) louder (d) sharper
2. 2.🟦 An image is 280 × 210 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
3. 3.🟦 A 4:3 video frame is 240 pixels wide. How many pixels tall is it?
4. 4.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) sharper (d) squashed or wide
5. 5.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
6. 6.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
7. 7.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?
8. 8.🟦 A 4:3 video frame is 680 pixels wide. How many pixels tall is it?
9. 9.🟦 A 16:9 video frame is 450 pixels tall. How many pixels wide is it?
10. 10.🟦 An image is 180 × 120 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
11. 11.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 A 16:9 frame is … (a) a perfect square (b) wider than it is tall (c) round (d) taller than wide
13. 13.🟦 An image is 180 pixels wide and 340 pixels tall. How many pixels does it have in all?
14. 14.🟦 The resolution of an image is … (a) the number of pixels (b) the file name (c) the font (d) the paper colour
15. 15.🟦 A 4:3 video frame is 880 pixels wide. How many pixels tall is it?
16. 16.🟦 An image is 140 × 140 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
17. 17.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
18. 18.🟦 What is a pixel? (a) a type of paper (b) a tiny dot of colour (c) a font size (d) a sound
19. 19.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
20. 20.🟦 A 16:9 video frame is 1710 pixels tall. How many pixels wide is it?
21. 21.🟦 You shrink a 700 × 360 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 An image is 2560 × 1440 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
23. 23.🟦 You shrink a 500 × 400 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
25. 25.Which of these best fits 4:3? (a) a square profile picture (b) an older TV screen (c) a widescreen TV (d) a square post
26. 26.Which of these best fits 1:1? (a) a square sticker (b) a landscape video (c) an older TV screen (d) a classic tablet screen
27. 27.🟦 An image is 390 pixels wide and 400 pixels tall. How many pixels does it have in all?
28. 28.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
29. 29.Which of these best fits 16:9? (a) a phone story clip (b) a laptop film screen (c) a square post (d) a square profile picture
30. 30.Which of these best fits 9:16? (a) a laptop film screen (b) a tall phone video (c) a widescreen slide (d) an old-style monitor
31. 31.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
33. 33.🟦 An image is 300 pixels wide and 170 pixels tall. How many pixels does it have in all?
34. 34.🟦 An image is 720 × 480 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
35. 35.🟦 An image is 310 pixels wide and 220 pixels tall. How many pixels does it have in all?
36. 36.🟦 An image is 70 × 70 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
37. 37.🟦 An image is 90 pixels wide and 180 pixels tall. How many pixels does it have in all?
38. 38.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
39. 39.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?

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