Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 784 · 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 landscape video? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
2. 2.🟦 You shrink a 380 × 760 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 An image is 310 pixels wide and 100 pixels tall. How many pixels does it have in all?
4. 4.🟦 An image is 40 pixels wide and 190 pixels tall. How many pixels does it have in all?
5. 5.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) blocky (pixelated) (d) longer
6. 6.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) exactly the same (d) sharper
7. 7.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
8. 8.🟦 A 4:3 video frame is 560 pixels wide. How many pixels tall is it?
9. 9.Which of these best fits 9:16? (a) a widescreen slide (b) a landscape video (c) a phone story clip (d) a square profile picture
10. 10.🟦 A 16:9 video frame is 1120 pixels wide. How many pixels tall is it?
11. 11.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
12. 12.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
13. 13.🟦 A 4:3 video frame is 360 pixels tall. How many pixels wide is it?
14. 14.Which of these best fits 4:3? (a) a square post (b) an older TV screen (c) a phone story clip (d) a widescreen TV
15. 15.🟦 A 4:3 video frame is 520 pixels wide. How many pixels tall is it?
16. 16.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 An image is 180 pixels wide and 190 pixels tall. How many pixels does it have in all?
18. 18.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
19. 19.Which of these best fits 4:3? (a) a widescreen TV (b) a square sticker (c) an old-style monitor (d) a tall phone video
20. 20.Which of these best fits 1:1? (a) a tall phone video (b) a laptop film screen (c) a square sticker (d) a widescreen TV
21. 21.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
22. 22.🟦 You shrink a 420 × 240 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 An image is 140 pixels wide and 330 pixels tall. How many pixels does it have in all?
24. 24.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
25. 25.🟦 An image is 210 pixels wide and 230 pixels tall. How many pixels does it have in all?
26. 26.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
28. 28.🟦 An image is 50 pixels wide and 280 pixels tall. How many pixels does it have in all?
29. 29.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 An image is 390 pixels wide and 330 pixels tall. How many pixels does it have in all?
31. 31.Which of these best fits 1:1? (a) an older TV screen (b) a tall phone video (c) an old-style monitor (d) a square post
32. 32.Which of these best fits 9:16? (a) a square profile picture (b) an upright phone screen (c) a laptop film screen (d) an older TV screen
33. 33.🟦 An image is 200 × 200 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
34. 34.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
35. 35.🟦 An image is 260 pixels wide and 200 pixels tall. How many pixels does it have in all?
36. 36.🟦 An image is 390 × 260 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
37. 37.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 You shrink a 40 × 340 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.Which of these best fits 16:9? (a) a square post (b) a landscape video (c) an old-style monitor (d) an older TV screen
40. 40.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3

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