Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 949 · 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 an album cover? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
2. 2.Which of these best fits 4:3? (a) a tall phone video (b) a laptop film screen (c) an old-style monitor (d) a square sticker
3. 3.🟦 An image is 2240 × 1260 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
4. 4.🟦 You shrink a 160 × 320 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.🟦 A 16:9 video frame is 1710 pixels tall. How many pixels wide is it?
6. 6.Which of these best fits 16:9? (a) an old-style monitor (b) a square post (c) an upright phone screen (d) a landscape video
7. 7.🟦 You shrink a 780 × 780 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 You shrink a 100 × 720 pixel image to half its width and half its height. How many pixels does it have now?
9. 9.🟦 You shrink a 520 × 160 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 A 16:9 video frame is 180 pixels tall. How many pixels wide is it?
11. 11.🟦 An image is 60 × 60 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
12. 12.🟦 An image is 2080 × 1170 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
13. 13.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
14. 14.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
15. 15.🟦 An image is 180 pixels wide and 270 pixels tall. How many pixels does it have in all?
16. 16.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
17. 17.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
18. 18.Which of these best fits 16:9? (a) a square post (b) a phone story clip (c) an older TV screen (d) a widescreen slide
19. 19.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
21. 21.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
23. 23.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
25. 25.🟦 What is a pixel? (a) a type of paper (b) a tiny dot of colour (c) a sound (d) a font size
26. 26.🟦 An image is 60 pixels wide and 160 pixels tall. How many pixels does it have in all?
27. 27.🟦 You shrink a 660 × 700 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 An image is 290 pixels wide and 110 pixels tall. How many pixels does it have in all?
29. 29.Which of these best fits 9:16? (a) an older TV screen (b) a widescreen TV (c) an upright phone screen (d) a square profile picture
30. 30.Which of these best fits 1:1? (a) a tall phone video (b) a phone story clip (c) a square profile picture (d) a classic tablet screen
31. 31.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
32. 32.🟦 An image is 40 pixels wide and 300 pixels tall. How many pixels does it have in all?
33. 33.🟦 An image is 310 pixels wide and 70 pixels tall. How many pixels does it have in all?
34. 34.🟦 An image is 360 pixels wide and 300 pixels tall. How many pixels does it have in all?
35. 35.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
36. 36.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) round (d) a perfect square
37. 37.🟦 You shrink a 520 × 720 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
39. 39.Which of these best fits 16:9? (a) a widescreen TV (b) a classic tablet screen (c) a phone story clip (d) a square post
40. 40.Which of these best fits 16:9? (a) a phone story clip (b) a square profile picture (c) a laptop film screen (d) a classic tablet screen

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