Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 175 · 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 360 × 270 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
2. 2.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) round (d) a perfect square
3. 3.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
4. 4.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 An image is 100 pixels wide and 260 pixels tall. How many pixels does it have in all?
6. 6.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 You shrink a 160 × 300 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 An image is 680 × 510 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
9. 9.🟦 An image is 240 × 160 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
10. 10.🟦 You shrink a 240 × 800 pixel image to half its width and half its height. How many pixels does it have now?
11. 11.🟦 An image is 330 pixels wide and 370 pixels tall. How many pixels does it have in all?
12. 12.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
13. 13.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
14. 14.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
15. 15.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the number of pixels (d) the file name
16. 16.🟦 An image is 50 pixels wide and 270 pixels tall. How many pixels does it have in all?
17. 17.🟦 A 4:3 video frame is 480 pixels wide. How many pixels tall is it?
18. 18.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.🟦 A 16:9 video frame is 3040 pixels wide. How many pixels tall is it?
20. 20.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
21. 21.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
22. 22.🟦 You shrink a 580 × 120 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
24. 24.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
25. 25.🟦 You shrink a 420 × 720 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
27. 27.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a font size (d) a tiny dot of colour
28. 28.🟦 An image is 320 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
29. 29.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) sharper (d) squashed or wide
30. 30.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
32. 32.🟦 A 16:9 video frame is 1440 pixels tall. How many pixels wide is it?
33. 33.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
34. 34.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 A 4:3 video frame is 840 pixels wide. How many pixels tall is it?
36. 36.Which of these best fits 1:1? (a) an old-style monitor (b) an older TV screen (c) a square sticker (d) an upright phone screen
37. 37.Which of these best fits 1:1? (a) an old-style monitor (b) a square profile picture (c) a tall phone video (d) a classic tablet screen
38. 38.🟦 An image is 660 × 440 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
39. 39.🟦 An image is 240 pixels wide and 150 pixels tall. How many pixels does it have in all?
40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?

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