Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 104 · 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.🟦 You shrink a 240 × 60 pixel image to half its width and half its height. How many pixels does it have now?
2. 2.🟦 A 4:3 video frame is 540 pixels tall. How many pixels wide is it?
3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) sharper (d) blocky (pixelated)
5. 5.🟦 A 16:9 video frame is 1440 pixels tall. How many pixels wide is it?
6. 6.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
8. 8.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
11. 11.Which of these best fits 16:9? (a) an old-style monitor (b) a tall phone video (c) a widescreen TV (d) a square sticker
12. 12.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) sharper (d) exactly the same
13. 13.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
14. 14.🟦 An image is 20 pixels wide and 290 pixels tall. How many pixels does it have in all?
15. 15.🟦 An image is 360 pixels wide and 240 pixels tall. How many pixels does it have in all?
16. 16.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
18. 18.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.🟦 An image is 110 pixels wide and 270 pixels tall. How many pixels does it have in all?
20. 20.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
21. 21.Which of these best fits 16:9? (a) a square profile picture (b) an older TV screen (c) a landscape video (d) a square post
22. 22.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the font (d) the number of pixels
23. 23.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
25. 25.🟦 You shrink a 580 × 40 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 An image is 600 × 450 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
27. 27.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
28. 28.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
29. 29.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
30. 30.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
31. 31.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a tiny dot of colour (d) a font size
32. 32.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
33. 33.🟦 A 16:9 video frame is 1620 pixels tall. How many pixels wide is it?
34. 34.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
35. 35.🟦 An image is 190 pixels wide and 320 pixels tall. How many pixels does it have in all?
36. 36.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
37. 37.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 A 16:9 video frame is 900 pixels tall. How many pixels wide is it?
39. 39.🟦 An image is 540 × 360 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
40. 40.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16

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