Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 779 · 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 9:16? (a) a phone story clip (b) a laptop film screen (c) a widescreen TV (d) a square sticker
2. 2.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) longer (c) louder (d) blocky (pixelated)
3. 3.🟦 An image is 240 × 240 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
4. 4.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
6. 6.Which of these best fits 16:9? (a) a square sticker (b) a widescreen slide (c) a classic tablet screen (d) a phone story clip
7. 7.🟦 A 16:9 video frame is 1710 pixels tall. How many pixels wide is it?
8. 8.🟦 You shrink a 320 × 260 pixel image to half its width and half its height. How many pixels does it have now?
9. 9.🟦 An image is 150 × 100 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
10. 10.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.🟦 An image is 300 pixels wide and 240 pixels tall. How many pixels does it have in all?
12. 12.🟦 You shrink a 500 × 180 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.🟦 An image is 30 × 30 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
14. 14.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
15. 15.🟦 A 16:9 video frame is 1530 pixels tall. How many pixels wide is it?
16. 16.🟦 A 4:3 video frame is 440 pixels wide. How many pixels tall is it?
17. 17.🟦 An image is 320 × 180 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
18. 18.🟦 The resolution of an image is … (a) the font (b) the paper colour (c) the number of pixels (d) the file name
19. 19.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
20. 20.🟦 A 4:3 video frame is 480 pixels tall. How many pixels wide is it?
21. 21.🟦 A 4:3 video frame is 600 pixels tall. How many pixels wide is it?
22. 22.🟦 An image is 800 × 600 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
23. 23.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) sharper (d) more colourful
24. 24.🟦 An image is 100 pixels wide and 60 pixels tall. How many pixels does it have in all?
25. 25.Which of these best fits 9:16? (a) a tall phone video (b) an album cover (c) a laptop film screen (d) a widescreen TV
26. 26.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
27. 27.🟦 You shrink a 200 × 680 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 An image is 3840 × 2160 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
29. 29.Which of these best fits 4:3? (a) a laptop film screen (b) a classic tablet screen (c) an album cover (d) a square profile picture
30. 30.Which of these best fits 16:9? (a) a classic tablet screen (b) a square profile picture (c) a laptop film screen (d) a tall phone video
31. 31.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a type of paper (d) a font size
32. 32.🟦 An image is 170 × 170 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
33. 33.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
34. 34.🟦 An image is 340 pixels wide and 250 pixels tall. How many pixels does it have in all?
35. 35.Which of these best fits 16:9? (a) a classic tablet screen (b) a square profile picture (c) a landscape video (d) a phone story clip
36. 36.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
37. 37.🟦 An image is 40 pixels wide and 60 pixels tall. How many pixels does it have in all?
38. 38.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
39. 39.Which of these best fits 4:3? (a) an upright phone screen (b) an old-style monitor (c) a phone story clip (d) a square sticker
40. 40.🟦 An image is 60 pixels wide and 210 pixels tall. How many pixels does it have in all?

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