Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 731 · 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.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) wider than it is tall (d) a perfect square
2. 2.🟦 An image is 150 × 100 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
3. 3.Which of these best fits 4:3? (a) a widescreen TV (b) a square sticker (c) a widescreen slide (d) an older TV screen
4. 4.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
5. 5.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
6. 6.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
7. 7.🟦 An image is 80 × 60 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
8. 8.🟦 An image is 340 pixels wide and 30 pixels tall. How many pixels does it have in all?
9. 9.🟦 A 16:9 video frame is 1120 pixels wide. How many pixels tall is it?
10. 10.🟦 An image is 170 pixels wide and 230 pixels tall. How many pixels does it have in all?
11. 11.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
12. 12.Which of these best fits 9:16? (a) a widescreen TV (b) a laptop film screen (c) a tall phone video (d) an old-style monitor
13. 13.🟦 You shrink a 200 × 540 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
15. 15.🟦 What is a pixel? (a) a font size (b) a tiny dot of colour (c) a sound (d) a type of paper
16. 16.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
17. 17.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) blocky (pixelated) (c) longer (d) sharper
18. 18.🟦 A 16:9 video frame is 1800 pixels tall. How many pixels wide is it?
19. 19.🟦 A 4:3 video frame is 300 pixels tall. How many pixels wide is it?
20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
21. 21.🟦 You shrink a 560 × 680 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.🟦 An image is 760 × 570 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
24. 24.🟦 An image is 40 × 30 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
25. 25.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.Which of these best fits 16:9? (a) a classic tablet screen (b) an old-style monitor (c) a widescreen slide (d) an upright phone screen
27. 27.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
28. 28.Which of these best fits 1:1? (a) a square post (b) a laptop film screen (c) a landscape video (d) a widescreen slide
29. 29.🟦 You shrink a 360 × 40 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.Which of these best fits 16:9? (a) a square sticker (b) a square post (c) a landscape video (d) a square profile picture
31. 31.🟦 A 4:3 video frame is 210 pixels tall. How many pixels wide is it?
32. 32.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
33. 33.🟦 A 16:9 video frame is 3840 pixels wide. How many pixels tall is it?
34. 34.🟦 An image is 330 pixels wide and 380 pixels tall. How many pixels does it have in all?
35. 35.Which of these best fits 1:1? (a) a laptop film screen (b) an old-style monitor (c) a square profile picture (d) a tall phone video
36. 36.🟦 An image is 70 pixels wide and 170 pixels tall. How many pixels does it have in all?
37. 37.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
38. 38.🟦 You shrink a 460 × 260 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 An image is 340 pixels wide and 330 pixels tall. How many pixels does it have in all?
40. 40.🟦 A 4:3 video frame is 600 pixels wide. How many pixels tall is it?

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