Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 781 · 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.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
2. 2.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.🟦 An image is 3680 × 2070 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) sharper (d) louder
5. 5.🟦 An image is 170 pixels wide and 30 pixels tall. How many pixels does it have in all?
6. 6.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 An image is 280 × 210 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
8. 8.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
9. 9.🟦 An image is 30 × 30 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
10. 10.🟦 A 4:3 video frame is 800 pixels wide. How many pixels tall is it?
11. 11.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
12. 12.Which of these best fits 9:16? (a) an upright phone screen (b) a square post (c) a classic tablet screen (d) an older TV screen
13. 13.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
14. 14.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
15. 15.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
16. 16.🟦 What is a pixel? (a) a tiny dot of colour (b) a type of paper (c) a sound (d) a font size
17. 17.🟦 An image is 1600 × 900 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
18. 18.Which of these best fits 16:9? (a) a widescreen TV (b) a square post (c) an older TV screen (d) a square sticker
19. 19.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
20. 20.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the number of pixels (d) the file name
21. 21.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
22. 22.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
23. 23.🟦 An image is 240 × 160 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
24. 24.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
25. 25.🟦 An image is 120 pixels wide and 230 pixels tall. How many pixels does it have in all?
26. 26.🟦 An image is 150 pixels wide and 200 pixels tall. How many pixels does it have in all?
27. 27.🟦 A 4:3 video frame is 960 pixels wide. How many pixels tall is it?
28. 28.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) wider than it is tall (d) taller than wide
29. 29.🟦 A 16:9 video frame is 1530 pixels tall. How many pixels wide is it?
30. 30.🟦 You shrink a 120 × 200 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
32. 32.🟦 You shrink an 800 × 400 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 An image is 360 × 240 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
34. 34.🟦 An image is 280 pixels wide and 100 pixels tall. How many pixels does it have in all?
35. 35.🟦 You shrink a 680 × 540 pixel image to half its width and half its height. How many pixels does it have now?
36. 36.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
38. 38.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 A 4:3 video frame is 390 pixels tall. How many pixels wide is it?
40. 40.🟦 A 4:3 video frame is 210 pixels tall. How many pixels wide is it?

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