Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 648 · 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 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 You shrink a 300 × 480 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 What is a pixel? (a) a font size (b) a sound (c) a type of paper (d) a tiny dot of colour
4. 4.🟦 An image is 170 pixels wide and 320 pixels tall. How many pixels does it have in all?
5. 5.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
6. 6.Which of these best fits 16:9? (a) an album cover (b) a square sticker (c) an older TV screen (d) a widescreen slide
7. 7.🟦 An image is 110 pixels wide and 40 pixels tall. How many pixels does it have in all?
8. 8.🟦 An image is 70 × 70 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
9. 9.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
10. 10.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
11. 11.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
12. 12.🟦 An image is 270 pixels wide and 20 pixels tall. How many pixels does it have in all?
13. 13.🟦 A 16:9 video frame is 1080 pixels tall. How many pixels wide is it?
14. 14.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) louder (d) longer
15. 15.🟦 An image is 310 pixels wide and 170 pixels tall. How many pixels does it have in all?
16. 16.Which of these best fits 16:9? (a) a phone story clip (b) a widescreen TV (c) an old-style monitor (d) an upright phone screen
17. 17.🟦 A 4:3 video frame is 150 pixels tall. How many pixels wide is it?
18. 18.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
19. 19.Which of these best fits 1:1? (a) an old-style monitor (b) a landscape video (c) an upright phone screen (d) a square profile picture
20. 20.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) taller than wide (d) wider than it is tall
21. 21.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
23. 23.🟦 A 16:9 video frame is 3520 pixels wide. How many pixels tall is it?
24. 24.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
25. 25.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
26. 26.🟦 A 4:3 video frame is 360 pixels wide. How many pixels tall is it?
27. 27.Which of these best fits 1:1? (a) a phone story clip (b) a square sticker (c) a classic tablet screen (d) a laptop film screen
28. 28.Which of these best fits 9:16? (a) a phone story clip (b) a square post (c) a classic tablet screen (d) a landscape video
29. 29.🟦 The resolution of an image is … (a) the file name (b) the number of pixels (c) the paper colour (d) the font
30. 30.Which of these best fits 4:3? (a) a classic tablet screen (b) a laptop film screen (c) a square post (d) a widescreen TV
31. 31.🟦 An image is 60 pixels wide and 40 pixels tall. How many pixels does it have in all?
32. 32.🟦 A 16:9 video frame is 2720 pixels wide. How many pixels tall is it?
33. 33.Which of these best fits 1:1? (a) a square post (b) a widescreen TV (c) an older TV screen (d) a landscape video
34. 34.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
35. 35.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
36. 36.🟦 An image is 370 pixels wide and 370 pixels tall. How many pixels does it have in all?
37. 37.🟦 An image is 120 × 80 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
38. 38.Which of these best fits 9:16? (a) a landscape video (b) an upright phone screen (c) a square profile picture (d) an album cover
39. 39.🟦 An image is 400 pixels wide and 260 pixels tall. How many pixels does it have in all?
40. 40.Which of these best fits 9:16? (a) a landscape video (b) a tall phone video (c) a square sticker (d) a widescreen slide

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