Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 880 · 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 of these best fits 16:9? (a) a tall phone video (b) an old-style monitor (c) an album cover (d) a widescreen slide
2. 2.🟦 You shrink a 380 × 260 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 An image is 140 × 140 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
4. 4.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
5. 5.Which of these best fits 4:3? (a) a square profile picture (b) a tall phone video (c) a classic tablet screen (d) a widescreen slide
6. 6.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.Which of these best fits 4:3? (a) a landscape video (b) a phone story clip (c) a laptop film screen (d) an old-style monitor
8. 8.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
9. 9.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) more colourful (d) sharper
10. 10.🟦 You shrink an 800 × 40 pixel image to half its width and half its height. How many pixels does it have now?
11. 11.🟦 An image is 40 pixels wide and 60 pixels tall. How many pixels does it have in all?
12. 12.🟦 A 16:9 video frame is 640 pixels wide. How many pixels tall is it?
13. 13.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.🟦 You shrink a 360 × 40 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
16. 16.🟦 An image is 660 × 440 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
17. 17.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
18. 18.🟦 You shrink a 440 × 220 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.🟦 An image is 1440 × 810 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
20. 20.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 You shrink a 60 × 200 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.Which of these best fits 9:16? (a) a landscape video (b) a square profile picture (c) a widescreen TV (d) a tall phone video
24. 24.🟦 A 16:9 video frame is 1620 pixels tall. How many pixels wide is it?
25. 25.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) sharper (d) blocky (pixelated)
26. 26.🟦 A 16:9 video frame is 2400 pixels wide. How many pixels tall is it?
27. 27.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
28. 28.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
29. 29.🟦 An image is 350 pixels wide and 210 pixels tall. How many pixels does it have in all?
30. 30.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
31. 31.🟦 You shrink a 660 × 240 pixel image to half its width and half its height. How many pixels does it have now?
32. 32.🟦 You shrink a 340 × 580 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 You shrink a 660 × 200 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.Which of these best fits 1:1? (a) an old-style monitor (b) a widescreen slide (c) a landscape video (d) a square sticker
35. 35.🟦 An image is 110 pixels wide and 270 pixels tall. How many pixels does it have in all?
36. 36.🟦 An image is 130 pixels wide and 40 pixels tall. How many pixels does it have in all?
37. 37.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
38. 38.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
39. 39.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
40. 40.Which of these best fits 4:3? (a) a landscape video (b) a laptop film screen (c) a square post (d) an older TV screen

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