Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 347 · 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.🟦 A 16:9 frame is … (a) wider than it is tall (b) a perfect square (c) round (d) taller than wide
2. 2.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
3. 3.🟦 An image is 120 pixels wide and 50 pixels tall. How many pixels does it have in all?
4. 4.🟦 You shrink a 460 × 360 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.🟦 An image is 110 pixels wide and 30 pixels tall. How many pixels does it have in all?
6. 6.🟦 An image is 280 pixels wide and 110 pixels tall. How many pixels does it have in all?
7. 7.Which of these best fits 4:3? (a) an upright phone screen (b) an old-style monitor (c) a square sticker (d) a tall phone video
8. 8.🟦 An image is 90 pixels wide and 260 pixels tall. How many pixels does it have in all?
9. 9.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
10. 10.🟦 A 4:3 video frame is 510 pixels tall. How many pixels wide is it?
11. 11.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 What is a pixel? (a) a tiny dot of colour (b) a type of paper (c) a font size (d) a sound
13. 13.🟦 You shrink a 760 × 500 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.🟦 A 16:9 video frame is 1440 pixels wide. How many pixels tall is it?
17. 17.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
18. 18.🟦 A 16:9 video frame is 1920 pixels wide. How many pixels tall is it?
19. 19.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
20. 20.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the number of pixels (d) the font
21. 21.🟦 You shrink a 260 × 460 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
23. 23.Which of these best fits 16:9? (a) a widescreen TV (b) a classic tablet screen (c) an old-style monitor (d) an upright phone screen
24. 24.🟦 An image is 140 pixels wide and 190 pixels tall. How many pixels does it have in all?
25. 25.Which of these best fits 9:16? (a) an older TV screen (b) a square post (c) an old-style monitor (d) an upright phone screen
26. 26.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) exactly the same (d) sharper
27. 27.🟦 You shrink a 580 × 200 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 You shrink a 500 × 760 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) longer (d) blocky (pixelated)
30. 30.🟦 A 16:9 video frame is 3360 pixels wide. How many pixels tall is it?
31. 31.🟦 An image is 270 pixels wide and 270 pixels tall. How many pixels does it have in all?
32. 32.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
34. 34.🟦 An image is 120 × 80 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
35. 35.Which of these best fits 1:1? (a) a widescreen slide (b) a laptop film screen (c) an old-style monitor (d) an album cover
36. 36.Which of these best fits 1:1? (a) a phone story clip (b) a landscape video (c) a laptop film screen (d) a square profile picture
37. 37.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
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.Which of these best fits 9:16? (a) an older TV screen (b) a tall phone video (c) a widescreen TV (d) a square sticker
40. 40.🟦 A 4:3 video frame is 520 pixels wide. How many pixels tall is it?

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