Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 11 · 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 2-inch-wide print?
2. 2.🟦 An image is 140 pixels wide and 130 pixels tall. How many pixels does it have in all?
3. 3.🟦 An image is 70 pixels wide and 260 pixels tall. How many pixels does it have in all?
4. 4.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
5. 5.🟦 A 4:3 video frame is 880 pixels wide. How many pixels tall is it?
6. 6.🟦 You shrink a 500 × 320 pixel image to half its width and half its height. How many pixels does it have now?
7. 7.🟦 You shrink a 360 × 300 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 You shrink a 220 × 180 pixel image to half its width and half its height. How many pixels does it have now?
9. 9.🟦 An image is 50 pixels wide and 280 pixels tall. How many pixels does it have in all?
10. 10.🟦 A 16:9 video frame is 960 pixels wide. How many pixels tall is it?
11. 11.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a tiny dot of colour (d) a sound
12. 12.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
13. 13.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
14. 14.Which of these best fits 9:16? (a) a square sticker (b) a square profile picture (c) a tall phone video (d) a widescreen TV
15. 15.🟦 A 16:9 frame is … (a) round (b) wider than it is tall (c) taller than wide (d) a perfect square
16. 16.🟦 A 4:3 video frame is 600 pixels tall. How many pixels wide is it?
17. 17.🟦 A 4:3 video frame is 660 pixels tall. How many pixels wide is it?
18. 18.🟦 An image is 360 × 240 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
19. 19.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
21. 21.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
22. 22.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
23. 23.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 You shrink a 780 × 280 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
26. 26.🟦 An image is 50 pixels wide and 260 pixels tall. How many pixels does it have in all?
27. 27.🟦 An image is 240 pixels wide and 250 pixels tall. How many pixels does it have in all?
28. 28.🟦 A 4:3 video frame is 360 pixels wide. How many pixels tall is it?
29. 29.🟦 You shrink a 340 × 700 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 You shrink a 500 × 400 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
32. 32.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
33. 33.🟦 An image is 220 pixels wide and 290 pixels tall. How many pixels does it have in all?
34. 34.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
35. 35.🟦 You shrink a 240 × 700 pixel image to half its width and half its height. How many pixels does it have now?
36. 36.Which of these best fits 16:9? (a) an old-style monitor (b) a tall phone video (c) a phone story clip (d) a widescreen TV
37. 37.🟦 A 4:3 video frame is 600 pixels wide. How many pixels tall is it?
38. 38.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) louder (d) longer
39. 39.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the font (d) the number of pixels
40. 40.🟦 An image is 90 pixels wide and 230 pixels tall. How many pixels does it have in all?

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