Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 665 · 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.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 An image is 320 pixels wide and 160 pixels tall. How many pixels does it have in all?
3. 3.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) louder (d) longer
4. 4.🟦 You shrink a 420 × 160 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.🟦 An image is 60 × 40 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
6. 6.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) squashed or wide (d) more colourful
7. 7.🟦 A 16:9 frame is … (a) taller than wide (b) round (c) wider than it is tall (d) a perfect square
8. 8.🟦 An image is 200 pixels wide and 380 pixels tall. How many pixels does it have in all?
9. 9.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
10. 10.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.🟦 You shrink a 420 × 500 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.🟦 An image is 230 pixels wide and 140 pixels tall. How many pixels does it have in all?
13. 13.🟦 You shrink a 660 × 400 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 An image is 210 pixels wide and 270 pixels tall. How many pixels does it have in all?
15. 15.🟦 You shrink a 180 × 340 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.🟦 You shrink a 220 × 40 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
18. 18.🟦 You shrink a 420 × 740 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
20. 20.🟦 An image is 240 pixels wide and 80 pixels tall. How many pixels does it have in all?
21. 21.🟦 An image is 180 pixels wide and 360 pixels tall. How many pixels does it have in all?
22. 22.🟦 An image is 160 × 160 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
23. 23.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
24. 24.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a sound (d) a type of paper
25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
26. 26.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
27. 27.🟦 An image is 120 pixels wide and 290 pixels tall. How many pixels does it have in all?
28. 28.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
29. 29.🟦 An image is 220 pixels wide and 60 pixels tall. How many pixels does it have in all?
30. 30.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
31. 31.🟦 An image is 180 pixels wide and 330 pixels tall. How many pixels does it have in all?
32. 32.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the font (d) the number of pixels
33. 33.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.Which of these best fits 1:1? (a) an upright phone screen (b) an old-style monitor (c) a widescreen slide (d) a square sticker
35. 35.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
36. 36.🟦 A 4:3 video frame is 200 pixels wide. How many pixels tall is it?
37. 37.🟦 An image is 3360 × 1890 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
38. 38.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?
40. 40.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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