Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 910 · 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 tall phone video? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
2. 2.Which of these best fits 1:1? (a) a classic tablet screen (b) a square sticker (c) an upright phone screen (d) a phone story clip
3. 3.🟦 A 16:9 video frame is 1440 pixels tall. How many pixels wide is it?
4. 4.Which of these best fits 1:1? (a) an older TV screen (b) a widescreen TV (c) a square profile picture (d) a laptop film screen
5. 5.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
6. 6.Which of these best fits 16:9? (a) an old-style monitor (b) a classic tablet screen (c) a widescreen TV (d) a tall phone video
7. 7.🟦 You shrink a 220 × 240 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 You shrink a 740 × 60 pixel image to half its width and half its height. How many pixels does it have now?
9. 9.🟦 You shrink a 460 × 60 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.Which of these best fits 4:3? (a) an old-style monitor (b) a laptop film screen (c) a tall phone video (d) a landscape video
11. 11.🟦 You shrink a 720 × 60 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.🟦 You shrink a 100 × 640 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) round (d) a perfect square
14. 14.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) longer (d) louder
15. 15.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
17. 17.🟦 You shrink a 260 × 40 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.🟦 An image is 120 pixels wide and 70 pixels tall. How many pixels does it have in all?
19. 19.🟦 A 4:3 video frame is 560 pixels wide. How many pixels tall is it?
20. 20.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the number of pixels (d) the font
21. 21.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) exactly the same (d) sharper
23. 23.🟦 You shrink a 340 × 480 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.🟦 An image is 3040 × 1710 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
25. 25.Which of these best fits 16:9? (a) an old-style monitor (b) a phone story clip (c) a laptop film screen (d) an older TV screen
26. 26.🟦 An image is 3520 × 1980 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
27. 27.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
28. 28.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.Which of these best fits 1:1? (a) a landscape video (b) a widescreen slide (c) a tall phone video (d) a square post
30. 30.Which of these best fits 4:3? (a) a landscape video (b) a classic tablet screen (c) a square profile picture (d) a square sticker
31. 31.🟦 An image is 170 pixels wide and 250 pixels tall. How many pixels does it have in all?
32. 32.🟦 An image is 200 pixels wide and 170 pixels tall. How many pixels does it have in all?
33. 33.🟦 You shrink a 140 × 100 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 An image is 220 pixels wide and 210 pixels tall. How many pixels does it have in all?
35. 35.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
36. 36.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 An image is 40 pixels wide and 260 pixels tall. How many pixels does it have in all?
38. 38.🟦 An image is 310 pixels wide and 380 pixels tall. How many pixels does it have in all?
39. 39.🟦 You shrink an 80 × 780 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?

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