Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 616 · 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 4-inch-wide print?
2. 2.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
3. 3.🟦 An image is 240 × 160 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
4. 4.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
5. 5.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.🟦 You shrink a 360 × 660 pixel image to half its width and half its height. How many pixels does it have now?
7. 7.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
8. 8.🟦 An image is 240 pixels wide and 280 pixels tall. How many pixels does it have in all?
9. 9.🟦 You shrink a 500 × 300 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
11. 11.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
12. 12.🟦 A 16:9 video frame is 180 pixels tall. How many pixels wide is it?
13. 13.🟦 An image is 60 × 40 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
14. 14.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a sound (d) a tiny dot of colour
15. 15.🟦 An image is 170 pixels wide and 40 pixels tall. How many pixels does it have in all?
16. 16.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?
17. 17.🟦 You shrink a 260 × 600 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.Which of these best fits 1:1? (a) a laptop film screen (b) a square sticker (c) a tall phone video (d) an older TV screen
19. 19.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
20. 20.🟦 You shrink a 40 × 720 pixel image to half its width and half its height. How many pixels does it have now?
21. 21.Which of these best fits 16:9? (a) an album cover (b) a widescreen TV (c) a square sticker (d) a square profile picture
22. 22.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) longer (c) blocky (pixelated) (d) louder
23. 23.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
25. 25.🟦 You shrink an 800 × 560 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
28. 28.Which of these best fits 4:3? (a) a widescreen slide (b) a laptop film screen (c) a square profile picture (d) an old-style monitor
29. 29.Which of these best fits 16:9? (a) an older TV screen (b) a landscape video (c) a square sticker (d) an old-style monitor
30. 30.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the file name (d) the number of pixels
31. 31.🟦 A 16:9 video frame is 1440 pixels tall. How many pixels wide is it?
32. 32.🟦 An image is 240 pixels wide and 150 pixels tall. How many pixels does it have in all?
33. 33.🟦 You shrink a 280 × 440 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.Which of these best fits 16:9? (a) a phone story clip (b) an older TV screen (c) a classic tablet screen (d) a laptop film screen
35. 35.🟦 An image is 2880 × 1620 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
36. 36.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
37. 37.🟦 An image is 120 × 120 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
38. 38.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 You shrink a 640 × 80 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 An image is 170 pixels wide and 60 pixels tall. How many pixels does it have in all?

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