Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 223 · 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 video frame is 2070 pixels tall. How many pixels wide is it?
2. 2.🟦 An image is 120 pixels wide and 50 pixels tall. How many pixels does it have in all?
3. 3.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
4. 4.🟦 A 16:9 video frame is 1080 pixels tall. How many pixels wide is it?
5. 5.Which of these best fits 4:3? (a) a classic tablet screen (b) a phone story clip (c) an album cover (d) a square sticker
6. 6.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) taller than wide (d) wider than it is tall
7. 7.Which of these best fits 9:16? (a) a widescreen slide (b) a classic tablet screen (c) an upright phone screen (d) a landscape video
8. 8.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
9. 9.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
10. 10.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 A 4:3 video frame is 840 pixels wide. How many pixels tall is it?
13. 13.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a type of paper (d) a font size
14. 14.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?
16. 16.🟦 An image is 1920 × 1080 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
17. 17.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) sharper (d) squashed or wide
18. 18.🟦 The resolution of an image is … (a) the number of pixels (b) the file name (c) the paper colour (d) the font
19. 19.Which of these best fits 16:9? (a) a square profile picture (b) an album cover (c) a laptop film screen (d) a square sticker
20. 20.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 An image is 720 × 540 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
22. 22.🟦 You shrink a 380 × 320 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.Which of these best fits 4:3? (a) a laptop film screen (b) a tall phone video (c) a square post (d) an old-style monitor
25. 25.🟦 A 16:9 video frame is 720 pixels tall. How many pixels wide is it?
26. 26.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
27. 27.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
28. 28.🟦 A 4:3 video frame is 280 pixels wide. How many pixels tall is it?
29. 29.🟦 An image is 210 pixels wide and 330 pixels tall. How many pixels does it have in all?
30. 30.Which of these best fits 1:1? (a) a landscape video (b) a tall phone video (c) a square profile picture (d) an upright phone screen
31. 31.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.🟦 You shrink a 180 × 580 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
35. 35.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
36. 36.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) longer (c) louder (d) blocky (pixelated)
37. 37.🟦 You shrink a 180 × 220 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 An image is 120 pixels wide and 340 pixels tall. How many pixels does it have in all?
39. 39.🟦 An image is 70 pixels wide and 270 pixels tall. How many pixels does it have in all?
40. 40.🟦 An image is 1760 × 990 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2

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