Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 539 · 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 160 pixels wide and 200 pixels tall. How many pixels does it have in all?
2. 2.🟦 An image is 1120 × 630 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
3. 3.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
4. 4.Which of these best fits 16:9? (a) a widescreen slide (b) an album cover (c) a phone story clip (d) a square post
5. 5.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a tiny dot of colour (d) a sound
6. 6.🟦 You shrink a 520 × 100 pixel image to half its width and half its height. How many pixels does it have now?
7. 7.🟦 You shrink a 260 × 580 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.🟦 An image is 400 × 300 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
10. 10.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
11. 11.Which of these best fits 16:9? (a) a square post (b) a widescreen TV (c) a square profile picture (d) an old-style monitor
12. 12.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
13. 13.🟦 You shrink a 40 × 300 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 A 16:9 video frame is 1530 pixels tall. How many pixels wide is it?
15. 15.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
17. 17.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
18. 18.Which of these best fits 4:3? (a) a square post (b) an old-style monitor (c) a widescreen slide (d) an album cover
19. 19.Which of these best fits 9:16? (a) a widescreen TV (b) an old-style monitor (c) a tall phone video (d) a square post
20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
21. 21.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
22. 22.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) blocky (pixelated) (d) sharper
23. 23.🟦 An image is 390 × 260 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
24. 24.🟦 A 4:3 video frame is 200 pixels wide. How many pixels tall is it?
25. 25.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.Which of these best fits 1:1? (a) a classic tablet screen (b) a square sticker (c) an old-style monitor (d) a phone story clip
27. 27.Which of these best fits 4:3? (a) a tall phone video (b) an upright phone screen (c) an older TV screen (d) a laptop film screen
28. 28.🟦 A 16:9 video frame is 3360 pixels wide. How many pixels tall is it?
29. 29.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
30. 30.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
31. 31.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
32. 32.🟦 An image is 80 pixels wide and 90 pixels tall. How many pixels does it have in all?
33. 33.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 An image is 600 × 450 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
36. 36.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
37. 37.🟦 An image is 480 × 360 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
38. 38.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
39. 39.🟦 The resolution of an image is … (a) the file name (b) the font (c) the paper colour (d) the number of pixels
40. 40.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) more colourful (d) exactly the same

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