Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 545 · 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 2160 pixels tall. How many pixels wide is it?
2. 2.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) round (d) wider than it is tall
3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
4. 4.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
7. 7.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) blocky (pixelated) (c) longer (d) sharper
8. 8.🟦 An image is 100 pixels wide and 30 pixels tall. How many pixels does it have in all?
9. 9.🟦 The resolution of an image is … (a) the file name (b) the number of pixels (c) the font (d) the paper colour
10. 10.🟦 An image is 160 × 120 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
11. 11.🟦 You shrink a 60 × 680 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
13. 13.🟦 An image is 140 × 140 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
14. 14.🟦 An image is 60 × 60 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
15. 15.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) squashed or wide (d) exactly the same
16. 16.🟦 An image is 2720 × 1530 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
17. 17.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
18. 18.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
19. 19.Which of these best fits 1:1? (a) a square sticker (b) a phone story clip (c) a widescreen slide (d) an upright phone screen
20. 20.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
21. 21.Which of these best fits 4:3? (a) an old-style monitor (b) a phone story clip (c) a square post (d) a square sticker
22. 22.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
23. 23.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
24. 24.🟦 An image is 320 pixels wide and 140 pixels tall. How many pixels does it have in all?
25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
26. 26.🟦 An image is 340 pixels wide and 330 pixels tall. How many pixels does it have in all?
27. 27.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
28. 28.🟦 You shrink a 520 × 460 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
31. 31.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 You shrink a 160 × 260 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.Which of these best fits 16:9? (a) a phone story clip (b) a square profile picture (c) a landscape video (d) an album cover
34. 34.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 An image is 230 pixels wide and 90 pixels tall. How many pixels does it have in all?
36. 36.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a tiny dot of colour (d) a font size
37. 37.🟦 An image is 330 × 220 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
38. 38.🟦 An image is 80 pixels wide and 140 pixels tall. How many pixels does it have in all?
39. 39.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?

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