Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 897 · 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 square profile picture (b) a laptop film screen (c) a tall phone video (d) an album cover
2. 2.🟦 You shrink a 780 × 40 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
4. 4.🟦 You shrink an 80 × 200 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.🟦 The resolution of an image is … (a) the font (b) the file name (c) the paper colour (d) the number of pixels
6. 6.🟦 An image is 60 × 40 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
7. 7.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
8. 8.🟦 An image is 280 pixels wide and 120 pixels tall. How many pixels does it have in all?
9. 9.🟦 You shrink a 700 × 640 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a sound (d) a tiny dot of colour
12. 12.🟦 An image is 200 × 150 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
13. 13.Which of these best fits 16:9? (a) a square post (b) a phone story clip (c) a widescreen TV (d) a classic tablet screen
14. 14.Which of these best fits 4:3? (a) a square post (b) a classic tablet screen (c) a tall phone video (d) an album cover
15. 15.Which of these best fits 16:9? (a) a phone story clip (b) a square sticker (c) an album cover (d) a laptop film screen
16. 16.🟦 A 16:9 frame is … (a) wider than it is tall (b) a perfect square (c) taller than wide (d) round
17. 17.Which of these best fits 1:1? (a) an older TV screen (b) a square post (c) an old-style monitor (d) an upright phone screen
18. 18.🟦 A 16:9 video frame is 1620 pixels tall. How many pixels wide is it?
19. 19.🟦 You shrink a 200 × 360 pixel image to half its width and half its height. How many pixels does it have now?
20. 20.Which of these best fits 4:3? (a) a widescreen slide (b) an older TV screen (c) a phone story clip (d) a widescreen TV
21. 21.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) exactly the same (d) squashed or wide
22. 22.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
23. 23.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
24. 24.🟦 A 16:9 video frame is 270 pixels tall. How many pixels wide is it?
25. 25.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
26. 26.Which of these best fits 1:1? (a) an old-style monitor (b) a tall phone video (c) a widescreen slide (d) a square sticker
27. 27.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
28. 28.🟦 A 16:9 video frame is 3200 pixels wide. How many pixels tall is it?
29. 29.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 A 16:9 video frame is 1170 pixels tall. How many pixels wide is it?
31. 31.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.Which of these best fits 1:1? (a) a widescreen TV (b) a square profile picture (c) a phone story clip (d) an older TV screen
33. 33.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 A 4:3 video frame is 450 pixels tall. How many pixels wide is it?
35. 35.🟦 An image is 800 × 450 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
36. 36.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
37. 37.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.Which of these best fits 4:3? (a) a landscape video (b) a phone story clip (c) an old-style monitor (d) an upright phone screen
39. 39.🟦 A 4:3 video frame is 600 pixels tall. How many pixels wide is it?
40. 40.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) longer (d) blocky (pixelated)

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