Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 811 · 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 aspect ratio best fits a square post? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
2. 2.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
3. 3.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) wider than it is tall (d) taller than wide
4. 4.🟦 A 16:9 video frame is 900 pixels tall. How many pixels wide is it?
5. 5.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a sound (d) a type of paper
6. 6.🟦 The resolution of an image is … (a) the number of pixels (b) the font (c) the paper colour (d) the file name
7. 7.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
8. 8.🟦 A 16:9 video frame is 640 pixels wide. How many pixels tall is it?
9. 9.🟦 An image is 250 pixels wide and 330 pixels tall. How many pixels does it have in all?
10. 10.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
11. 11.Which of these best fits 1:1? (a) an older TV screen (b) an old-style monitor (c) a phone story clip (d) an album cover
12. 12.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
13. 13.🟦 An image is 680 × 510 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
14. 14.Which of these best fits 1:1? (a) a tall phone video (b) a square profile picture (c) an older TV screen (d) an upright phone screen
15. 15.🟦 An image is 120 pixels wide and 120 pixels tall. How many pixels does it have in all?
16. 16.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) louder (d) longer
17. 17.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
18. 18.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.Which of these best fits 16:9? (a) a square post (b) a tall phone video (c) a widescreen TV (d) a classic tablet screen
20. 20.🟦 A 4:3 video frame is 560 pixels wide. How many pixels tall is it?
21. 21.Which of these best fits 9:16? (a) a landscape video (b) an older TV screen (c) a phone story clip (d) a laptop film screen
22. 22.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
23. 23.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) sharper (d) exactly the same
24. 24.🟦 You shrink a 120 × 400 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 An image is 660 × 440 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
26. 26.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
27. 27.🟦 An image is 180 × 120 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
28. 28.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
29. 29.🟦 An image is 60 pixels wide and 70 pixels tall. How many pixels does it have in all?
30. 30.🟦 An image is 140 × 140 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
31. 31.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
32. 32.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.🟦 An image is 280 pixels wide and 140 pixels tall. How many pixels does it have in all?
34. 34.🟦 An image is 80 × 60 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
35. 35.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
36. 36.🟦 An image is 270 × 180 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
37. 37.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 You shrink a 720 × 360 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.Which of these best fits 4:3? (a) a widescreen TV (b) a landscape video (c) an older TV screen (d) a widescreen slide

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