Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 529 · 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 16:9 frame is … (a) round (b) a perfect square (c) wider than it is tall (d) taller than wide
2. 2.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
3. 3.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
4. 4.🟦 You shrink a 760 × 400 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
6. 6.🟦 An image is 480 × 320 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
7. 7.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
8. 8.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.🟦 The resolution of an image is … (a) the file name (b) the number of pixels (c) the paper colour (d) the font
10. 10.🟦 An image is 380 pixels wide and 130 pixels tall. How many pixels does it have in all?
11. 11.🟦 An image is 2240 × 1260 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
12. 12.🟦 You shrink a 760 × 140 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.🟦 An image is 300 pixels wide and 30 pixels tall. How many pixels does it have in all?
14. 14.🟦 A 4:3 video frame is 240 pixels wide. How many pixels tall is it?
15. 15.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
16. 16.Which of these best fits 16:9? (a) a phone story clip (b) an album cover (c) a square profile picture (d) a widescreen slide
17. 17.🟦 What is a pixel? (a) a sound (b) a font size (c) a tiny dot of colour (d) a type of paper
18. 18.🟦 An image is 640 × 480 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
19. 19.🟦 A 4:3 video frame is 720 pixels tall. How many pixels wide is it?
20. 20.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
21. 21.Which of these best fits 9:16? (a) a phone story clip (b) an older TV screen (c) a classic tablet screen (d) a laptop film screen
22. 22.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) louder (d) longer
23. 23.Which of these best fits 16:9? (a) a square post (b) an older TV screen (c) a phone story clip (d) a widescreen TV
24. 24.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
25. 25.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
26. 26.🟦 A 16:9 video frame is 2240 pixels wide. How many pixels tall is it?
27. 27.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
28. 28.🟦 A 4:3 video frame is 570 pixels tall. How many pixels wide is it?
29. 29.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
30. 30.🟦 An image is 360 pixels wide and 220 pixels tall. How many pixels does it have in all?
31. 31.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
32. 32.🟦 You shrink a 500 × 460 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
34. 34.🟦 You shrink a 680 × 600 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 A 16:9 video frame is 640 pixels wide. How many pixels tall is it?
36. 36.Which of these best fits 4:3? (a) a tall phone video (b) a laptop film screen (c) an older TV screen (d) a square sticker
37. 37.🟦 You shrink a 60 × 420 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 You shrink a 340 × 100 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 You shrink a 700 × 140 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 An image is 270 pixels wide and 270 pixels tall. How many pixels does it have in all?

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