Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 608 · 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 50 pixels wide and 370 pixels tall. How many pixels does it have in all?
2. 2.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
3. 3.Which of these best fits 9:16? (a) a widescreen TV (b) a square sticker (c) a laptop film screen (d) an upright phone screen
4. 4.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 An image is 3520 × 1980 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
6. 6.Which of these best fits 4:3? (a) a widescreen TV (b) an upright phone screen (c) an old-style monitor (d) a widescreen slide
7. 7.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
8. 8.🟦 An image is 60 pixels wide and 330 pixels tall. How many pixels does it have in all?
9. 9.🟦 You shrink a 100 × 500 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 The resolution of an image is … (a) the font (b) the paper colour (c) the file name (d) the number of pixels
11. 11.Which of these best fits 4:3? (a) a laptop film screen (b) a widescreen slide (c) a tall phone video (d) an older TV screen
12. 12.🟦 You shrink a 300 × 240 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) sharper (d) blocky (pixelated)
14. 14.🟦 An image is 660 × 440 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
15. 15.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.🟦 You shrink a 320 × 140 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) exactly the same (d) sharper
18. 18.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
19. 19.🟦 A 4:3 video frame is 720 pixels wide. How many pixels tall is it?
20. 20.🟦 An image is 170 pixels wide and 270 pixels tall. How many pixels does it have in all?
21. 21.🟦 An image is 60 × 40 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
22. 22.🟦 An image is 840 × 630 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
23. 23.Which of these best fits 16:9? (a) an upright phone screen (b) a classic tablet screen (c) a laptop film screen (d) a square profile picture
24. 24.🟦 A 16:9 video frame is 3200 pixels wide. How many pixels tall is it?
25. 25.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
26. 26.🟦 A 4:3 video frame is 360 pixels tall. How many pixels wide is it?
27. 27.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 You shrink an 800 × 80 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 A 4:3 video frame is 60 pixels tall. How many pixels wide is it?
30. 30.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.Which of these best fits 1:1? (a) a widescreen slide (b) a landscape video (c) a laptop film screen (d) a square post
32. 32.Which of these best fits 16:9? (a) a square sticker (b) a classic tablet screen (c) an old-style monitor (d) a widescreen TV
33. 33.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
34. 34.🟦 An image is 230 × 230 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
35. 35.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
36. 36.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
37. 37.🟦 A 4:3 video frame is 680 pixels wide. How many pixels tall is it?
38. 38.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 An image is 290 pixels wide and 70 pixels tall. How many pixels does it have in all?
40. 40.🟦 An image is 20 pixels wide and 250 pixels tall. How many pixels does it have in all?

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