Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 386 · 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.🟦 An image is 70 pixels wide and 40 pixels tall. How many pixels does it have in all?
2. 2.Which of these best fits 4:3? (a) a square post (b) an upright phone screen (c) a tall phone video (d) a classic tablet screen
3. 3.Which of these best fits 9:16? (a) a square profile picture (b) a tall phone video (c) a square sticker (d) an album cover
4. 4.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
5. 5.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
6. 6.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
7. 7.🟦 An image is 180 pixels wide and 20 pixels tall. How many pixels does it have in all?
8. 8.🟦 An image is 270 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
9. 9.🟦 An image is 480 × 360 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
10. 10.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
12. 12.🟦 You shrink a 160 × 480 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a type of paper (d) a font size
14. 14.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) exactly the same (d) squashed or wide
15. 15.🟦 An image is 70 pixels wide and 160 pixels tall. How many pixels does it have in all?
16. 16.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
17. 17.🟦 An image is 110 pixels wide and 370 pixels tall. How many pixels does it have in all?
18. 18.🟦 An image is 630 × 420 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
19. 19.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
20. 20.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
21. 21.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the paper colour (d) the file name
22. 22.Which of these best fits 16:9? (a) a phone story clip (b) an album cover (c) an upright phone screen (d) a laptop film screen
23. 23.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
24. 24.Which of these best fits 9:16? (a) an upright phone screen (b) a square profile picture (c) a square post (d) a laptop film screen
25. 25.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) longer (d) blocky (pixelated)
26. 26.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
28. 28.Which of these best fits 1:1? (a) a square profile picture (b) a classic tablet screen (c) a widescreen TV (d) an upright phone screen
29. 29.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 An image is 720 × 480 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
31. 31.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
32. 32.🟦 A 16:9 video frame is 720 pixels tall. How many pixels wide is it?
33. 33.🟦 An image is 260 pixels wide and 90 pixels tall. How many pixels does it have in all?
34. 34.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
35. 35.🟦 A 16:9 video frame is 1980 pixels tall. How many pixels wide is it?
36. 36.Which of these best fits 16:9? (a) a square sticker (b) a square post (c) a widescreen slide (d) an upright phone screen
37. 37.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) round (d) wider than it is tall
38. 38.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 A 16:9 video frame is 630 pixels tall. How many pixels wide is it?
40. 40.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1

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