Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 465 · 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.🟦 An image is 110 pixels wide and 160 pixels tall. How many pixels does it have in all?
2. 2.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
3. 3.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
4. 4.🟦 An image is 340 pixels wide and 40 pixels tall. How many pixels does it have in all?
5. 5.Which of these best fits 1:1? (a) a classic tablet screen (b) a landscape video (c) a laptop film screen (d) a square sticker
6. 6.🟦 A 16:9 video frame is 3040 pixels wide. How many pixels tall is it?
7. 7.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
8. 8.Which of these best fits 4:3? (a) a widescreen slide (b) a square post (c) a classic tablet screen (d) a laptop film screen
9. 9.Which of these best fits 16:9? (a) a widescreen TV (b) a square post (c) an upright phone screen (d) an album cover
10. 10.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) blocky (pixelated) (c) longer (d) sharper
11. 11.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
12. 12.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) sharper (d) exactly the same
13. 13.🟦 An image is 230 × 230 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
14. 14.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
15. 15.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.🟦 A 4:3 video frame is 480 pixels tall. How many pixels wide is it?
17. 17.🟦 The resolution of an image is … (a) the file name (b) the font (c) the paper colour (d) the number of pixels
18. 18.🟦 An image is 320 × 180 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
19. 19.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
20. 20.Which of these best fits 9:16? (a) a widescreen TV (b) a square sticker (c) a tall phone video (d) a square post
21. 21.🟦 An image is 150 × 150 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
22. 22.🟦 An image is 230 pixels wide and 180 pixels tall. How many pixels does it have in all?
23. 23.🟦 You shrink a 780 × 120 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.🟦 An image is 230 pixels wide and 290 pixels tall. How many pixels does it have in all?
25. 25.🟦 You shrink a 660 × 220 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
27. 27.🟦 A 16:9 video frame is 640 pixels wide. How many pixels tall is it?
28. 28.Which of these best fits 9:16? (a) a landscape video (b) a classic tablet screen (c) a widescreen TV (d) an upright phone screen
29. 29.Which of these best fits 4:3? (a) an older TV screen (b) an album cover (c) a landscape video (d) a square profile picture
30. 30.🟦 An image is 800 × 600 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
31. 31.Which of these best fits 16:9? (a) a landscape video (b) a classic tablet screen (c) an upright phone screen (d) a phone story clip
32. 32.🟦 An image is 340 pixels wide and 20 pixels tall. How many pixels does it have in all?
33. 33.🟦 You shrink a 340 × 140 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.Which of these best fits 1:1? (a) a classic tablet screen (b) a widescreen TV (c) a widescreen slide (d) an album cover
35. 35.🟦 A 16:9 frame is … (a) taller than wide (b) round (c) a perfect square (d) wider than it is tall
36. 36.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
38. 38.Which of these best fits 1:1? (a) a widescreen TV (b) a tall phone video (c) a laptop film screen (d) a square post
39. 39.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.🟦 An image is 90 × 60 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1

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