Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 534 · 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 photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 An image is 30 × 20 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
3. 3.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) wider than it is tall (d) round
4. 4.🟦 An image is 50 pixels wide and 350 pixels tall. How many pixels does it have in all?
5. 5.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.🟦 An image is 170 × 170 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
7. 7.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) louder (d) longer
8. 8.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
9. 9.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.🟦 An image is 160 × 160 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
11. 11.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.Which of these best fits 1:1? (a) an old-style monitor (b) an album cover (c) a tall phone video (d) a phone story clip
13. 13.🟦 An image is 20 pixels wide and 390 pixels tall. How many pixels does it have in all?
14. 14.🟦 You shrink a 520 × 180 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
16. 16.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
17. 17.🟦 An image is 280 × 210 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
18. 18.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) more colourful (d) exactly the same
19. 19.🟦 An image is 240 × 180 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
20. 20.🟦 An image is 3840 × 2160 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
21. 21.🟦 An image is 350 pixels wide and 340 pixels tall. How many pixels does it have in all?
22. 22.Which of these best fits 1:1? (a) a classic tablet screen (b) a square sticker (c) a landscape video (d) a tall phone video
23. 23.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a tiny dot of colour (d) a font size
24. 24.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
25. 25.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 An image is 210 pixels wide and 200 pixels tall. How many pixels does it have in all?
28. 28.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
29. 29.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?
30. 30.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
31. 31.🟦 A 4:3 video frame is 420 pixels tall. How many pixels wide is it?
32. 32.🟦 An image is 170 pixels wide and 90 pixels tall. How many pixels does it have in all?
33. 33.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
34. 34.Which of these best fits 1:1? (a) a phone story clip (b) an upright phone screen (c) a landscape video (d) a square profile picture
35. 35.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
36. 36.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
37. 37.🟦 A 16:9 video frame is 1350 pixels tall. How many pixels wide is it?
38. 38.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
39. 39.🟦 An image is 480 × 320 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
40. 40.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?

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