Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 692 · 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) an upright phone screen (b) a laptop film screen (c) a widescreen TV (d) a square profile picture
2. 2.🟦 You shrink a 120 × 140 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
4. 4.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
5. 5.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.Which of these best fits 4:3? (a) a widescreen slide (b) a square profile picture (c) an old-style monitor (d) an upright phone screen
7. 7.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a tiny dot of colour (d) a font size
8. 8.🟦 A 4:3 video frame is 80 pixels wide. How many pixels tall is it?
9. 9.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
11. 11.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) blocky (pixelated) (c) longer (d) sharper
12. 12.Which of these best fits 16:9? (a) an upright phone screen (b) an album cover (c) a classic tablet screen (d) a widescreen slide
13. 13.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
14. 14.🟦 You shrink a 220 × 760 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 An image is 390 × 260 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
16. 16.🟦 You shrink a 640 × 500 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.🟦 An image is 540 × 360 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
18. 18.Which of these best fits 4:3? (a) a square post (b) a widescreen slide (c) a tall phone video (d) a classic tablet screen
19. 19.🟦 A 4:3 video frame is 510 pixels tall. How many pixels wide is it?
20. 20.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
21. 21.🟦 An image is 3520 × 1980 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
22. 22.🟦 The resolution of an image is … (a) the font (b) the file name (c) the number of pixels (d) the paper colour
23. 23.🟦 An image is 240 pixels wide and 20 pixels tall. How many pixels does it have in all?
24. 24.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
25. 25.🟦 A 16:9 video frame is 3040 pixels wide. How many pixels tall is it?
26. 26.🟦 A 4:3 video frame is 920 pixels wide. How many pixels tall is it?
27. 27.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 You shrink a 440 × 280 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) round (d) wider than it is tall
30. 30.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) squashed or wide (d) exactly the same
31. 31.🟦 A 16:9 video frame is 990 pixels tall. How many pixels wide is it?
32. 32.🟦 An image is 170 pixels wide and 400 pixels tall. How many pixels does it have in all?
33. 33.🟦 A 4:3 video frame is 160 pixels wide. How many pixels tall is it?
34. 34.🟦 An image is 40 pixels wide and 350 pixels tall. How many pixels does it have in all?
35. 35.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
36. 36.🟦 An image is 140 × 140 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
37. 37.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
38. 38.Which of these best fits 16:9? (a) a widescreen TV (b) a tall phone video (c) a square post (d) a classic tablet screen
39. 39.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
40. 40.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

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