Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 380 · 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 9-inch-wide print?
2. 2.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
3. 3.🟦 You shrink a 100 × 360 pixel image to half its width and half its height. How many pixels does it have now?
4. 4.🟦 You shrink a 560 × 220 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.🟦 You shrink a 520 × 480 pixel image to half its width and half its height. How many pixels does it have now?
6. 6.🟦 You shrink a 740 × 120 pixel image to half its width and half its height. How many pixels does it have now?
7. 7.🟦 An image is 130 × 130 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
8. 8.🟦 A 16:9 video frame is 2160 pixels tall. How many pixels wide is it?
9. 9.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) longer (d) blocky (pixelated)
10. 10.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.🟦 An image is 130 pixels wide and 120 pixels tall. How many pixels does it have in all?
12. 12.Which of these best fits 16:9? (a) a classic tablet screen (b) a square sticker (c) a widescreen TV (d) an album cover
13. 13.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a type of paper (d) a sound
15. 15.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
16. 16.🟦 The resolution of an image is … (a) the font (b) the file name (c) the paper colour (d) the number of pixels
17. 17.🟦 A 16:9 frame is … (a) wider than it is tall (b) round (c) a perfect square (d) taller than wide
18. 18.Which of these best fits 9:16? (a) a widescreen slide (b) a laptop film screen (c) an upright phone screen (d) an album cover
19. 19.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
20. 20.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 An image is 330 × 220 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
22. 22.🟦 You shrink a 520 × 340 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 An image is 360 pixels wide and 380 pixels tall. How many pixels does it have in all?
24. 24.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) squashed or wide (d) sharper
25. 25.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
27. 27.🟦 An image is 80 pixels wide and 130 pixels tall. How many pixels does it have in all?
28. 28.Which of these best fits 16:9? (a) a classic tablet screen (b) an old-style monitor (c) a square profile picture (d) a widescreen slide
29. 29.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 A 16:9 video frame is 1620 pixels tall. How many pixels wide is it?
32. 32.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
33. 33.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
34. 34.Which of these best fits 1:1? (a) an older TV screen (b) a laptop film screen (c) a square post (d) a classic tablet screen
35. 35.🟦 A 16:9 video frame is 1710 pixels tall. How many pixels wide is it?
36. 36.🟦 You shrink a 120 × 200 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
38. 38.Which of these best fits 16:9? (a) a square sticker (b) a phone story clip (c) a square post (d) a laptop film screen
39. 39.🟦 You shrink an 800 × 660 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?

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