Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 34 · 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 390 × 260 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
2. 2.🟦 An image is 30 × 20 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
3. 3.🟦 A 4:3 video frame is 880 pixels wide. How many pixels tall is it?
4. 4.🟦 An image is 380 pixels wide and 200 pixels tall. How many pixels does it have in all?
5. 5.Which of these best fits 16:9? (a) a square profile picture (b) a tall phone video (c) a laptop film screen (d) an upright phone screen
6. 6.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 An image is 300 pixels wide and 90 pixels tall. How many pixels does it have in all?
8. 8.🟦 You shrink a 760 × 240 pixel image to half its width and half its height. How many pixels does it have now?
9. 9.🟦 An image is 340 pixels wide and 260 pixels tall. How many pixels does it have in all?
10. 10.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) more colourful (d) exactly the same
11. 11.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
12. 12.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
13. 13.🟦 An image is 960 × 720 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
14. 14.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a tiny dot of colour (d) a sound
15. 15.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
17. 17.🟦 An image is 230 pixels wide and 20 pixels tall. How many pixels does it have in all?
18. 18.🟦 An image is 130 pixels wide and 210 pixels tall. How many pixels does it have in all?
19. 19.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
21. 21.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) round (d) wider than it is tall
22. 22.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) sharper (d) longer
24. 24.Which of these best fits 16:9? (a) an old-style monitor (b) a widescreen slide (c) a tall phone video (d) an album cover
25. 25.🟦 The resolution of an image is … (a) the file name (b) the number of pixels (c) the font (d) the paper colour
26. 26.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
27. 27.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 An image is 3520 × 1980 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
29. 29.🟦 An image is 300 pixels wide and 200 pixels tall. How many pixels does it have in all?
30. 30.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 An image is 300 pixels wide and 120 pixels tall. How many pixels does it have in all?
32. 32.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
33. 33.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
34. 34.Which of these best fits 1:1? (a) a tall phone video (b) a widescreen slide (c) a classic tablet screen (d) a square sticker
35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
36. 36.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
37. 37.Which of these best fits 1:1? (a) a laptop film screen (b) a square profile picture (c) a widescreen slide (d) a widescreen TV
38. 38.Which of these best fits 16:9? (a) a square post (b) a landscape video (c) an album cover (d) a phone story clip
39. 39.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
40. 40.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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