Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 676 · 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) an old-style monitor (b) a landscape video (c) a classic tablet screen (d) a tall phone video
2. 2.🟦 You shrink a 380 × 460 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.Which of these best fits 16:9? (a) an album cover (b) a square profile picture (c) a square sticker (d) a laptop film screen
4. 4.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.Which of these best fits 1:1? (a) a tall phone video (b) an upright phone screen (c) an older TV screen (d) a square sticker
6. 6.Which of these best fits 9:16? (a) a square profile picture (b) a landscape video (c) a phone story clip (d) a square post
7. 7.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
8. 8.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.🟦 An image is 90 pixels wide and 230 pixels tall. How many pixels does it have in all?
10. 10.🟦 An image is 2720 × 1530 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
11. 11.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
12. 12.🟦 A 16:9 frame is … (a) wider than it is tall (b) a perfect square (c) round (d) taller than wide
13. 13.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
14. 14.🟦 An image is 3200 × 1800 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
15. 15.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?
16. 16.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
17. 17.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) more colourful (d) exactly the same
18. 18.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.Which of these best fits 4:3? (a) a widescreen slide (b) a landscape video (c) a tall phone video (d) a classic tablet screen
20. 20.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
21. 21.Which of these best fits 9:16? (a) a tall phone video (b) an older TV screen (c) an old-style monitor (d) a landscape video
22. 22.🟦 You shrink a 260 × 480 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.Which of these best fits 9:16? (a) a laptop film screen (b) a widescreen TV (c) an upright phone screen (d) a landscape video
24. 24.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
25. 25.🟦 An image is 320 pixels wide and 210 pixels tall. How many pixels does it have in all?
26. 26.🟦 An image is 140 pixels wide and 20 pixels tall. How many pixels does it have in all?
27. 27.🟦 You shrink a 400 × 260 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
29. 29.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
31. 31.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 An image is 50 pixels wide and 250 pixels tall. How many pixels does it have in all?
33. 33.🟦 An image is 1600 × 900 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
34. 34.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) longer (d) blocky (pixelated)
35. 35.🟦 An image is 40 × 30 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
36. 36.🟦 A 4:3 video frame is 540 pixels tall. How many pixels wide is it?
37. 37.🟦 An image is 100 pixels wide and 150 pixels tall. How many pixels does it have in all?
38. 38.🟦 An image is 400 pixels wide and 290 pixels tall. How many pixels does it have in all?
39. 39.🟦 You shrink a 180 × 760 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 A 4:3 video frame is 270 pixels tall. How many pixels wide is it?

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