Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 243 · 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 1:1? (a) a tall phone video (b) a classic tablet screen (c) an older TV screen (d) a square sticker
2. 2.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
3. 3.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
4. 4.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
5. 5.🟦 An image is 800 × 450 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
6. 6.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
7. 7.🟦 A 16:9 frame is … (a) taller than wide (b) round (c) wider than it is tall (d) a perfect square
8. 8.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
10. 10.🟦 You shrink a 560 × 720 pixel image to half its width and half its height. How many pixels does it have now?
11. 11.🟦 An image is 380 pixels wide and 70 pixels tall. How many pixels does it have in all?
12. 12.🟦 A 4:3 video frame is 360 pixels wide. How many pixels tall is it?
13. 13.🟦 An image is 690 × 460 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
14. 14.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.🟦 A 4:3 video frame is 720 pixels wide. How many pixels tall is it?
17. 17.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
18. 18.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
19. 19.🟦 A 4:3 video frame is 240 pixels wide. How many pixels tall is it?
20. 20.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a tiny dot of colour (d) a sound
21. 21.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
23. 23.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.Which of these best fits 16:9? (a) a classic tablet screen (b) an old-style monitor (c) a tall phone video (d) a widescreen slide
25. 25.🟦 You shrink a 760 × 240 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 An image is 70 pixels wide and 50 pixels tall. How many pixels does it have in all?
27. 27.🟦 An image is 180 pixels wide and 350 pixels tall. How many pixels does it have in all?
28. 28.Which of these best fits 9:16? (a) a square post (b) a landscape video (c) a tall phone video (d) a laptop film screen
29. 29.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.Which of these best fits 1:1? (a) an upright phone screen (b) a landscape video (c) an old-style monitor (d) an album cover
31. 31.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
32. 32.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) louder (d) sharper
33. 33.🟦 You shrink a 660 × 700 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 You shrink a 260 × 360 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) sharper (d) squashed or wide
36. 36.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
37. 37.🟦 You shrink a 720 × 660 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
39. 39.🟦 A 4:3 video frame is 680 pixels wide. How many pixels tall is it?
40. 40.🟦 The resolution of an image is … (a) the number of pixels (b) the font (c) the paper colour (d) the file name

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