Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 370 · 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.🟦 You shrink a 280 × 620 pixel image to half its width and half its height. How many pixels does it have now?
2. 2.🟦 You shrink a 580 × 720 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
4. 4.Which of these best fits 16:9? (a) a classic tablet screen (b) a square profile picture (c) a laptop film screen (d) an upright phone screen
5. 5.🟦 An image is 400 pixels wide and 280 pixels tall. How many pixels does it have in all?
6. 6.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
7. 7.🟦 You shrink a 280 × 800 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 An image is 320 × 240 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
9. 9.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
10. 10.Which of these best fits 1:1? (a) a widescreen TV (b) a landscape video (c) a square sticker (d) a phone story clip
11. 11.🟦 An image is 300 pixels wide and 160 pixels tall. How many pixels does it have in all?
12. 12.🟦 You shrink a 300 × 120 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.Which of these best fits 9:16? (a) a square sticker (b) a widescreen TV (c) a laptop film screen (d) a tall phone video
15. 15.🟦 An image is 250 pixels wide and 230 pixels tall. How many pixels does it have in all?
16. 16.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
17. 17.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
18. 18.🟦 A 16:9 video frame is 630 pixels tall. How many pixels wide is it?
19. 19.🟦 An image is 140 pixels wide and 30 pixels tall. How many pixels does it have in all?
20. 20.🟦 A 4:3 video frame is 720 pixels tall. How many pixels wide is it?
21. 21.🟦 The resolution of an image is … (a) the paper colour (b) the number of pixels (c) the file name (d) the font
22. 22.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
24. 24.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
25. 25.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 You shrink a 180 × 260 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
28. 28.🟦 An image is 240 pixels wide and 230 pixels tall. How many pixels does it have in all?
29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
30. 30.🟦 An image is 520 × 390 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
31. 31.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a font size (d) a tiny dot of colour
32. 32.🟦 You shrink a 140 × 780 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
36. 36.🟦 A 4:3 video frame is 90 pixels tall. How many pixels wide is it?
37. 37.🟦 You shrink a 680 × 800 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 An image is 800 × 450 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
39. 39.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) longer (d) sharper
40. 40.🟦 A 4:3 video frame is 280 pixels wide. How many pixels tall is it?

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