Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 774 · 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.🟦 You shrink a 60 × 800 pixel image to half its width and half its height. How many pixels does it have now?
2. 2.🟦 An image is 100 pixels wide and 60 pixels tall. How many pixels does it have in all?
3. 3.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) wider than it is tall (d) taller than wide
4. 4.🟦 An image is 10 × 10 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
5. 5.Which of these best fits 1:1? (a) an old-style monitor (b) a classic tablet screen (c) a square post (d) a phone story clip
6. 6.🟦 An image is 1920 × 1080 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
7. 7.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a font size (d) a type of paper
8. 8.🟦 An image is 320 pixels wide and 150 pixels tall. How many pixels does it have in all?
9. 9.🟦 You shrink a 780 × 460 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 An image is 30 pixels wide and 260 pixels tall. How many pixels does it have in all?
11. 11.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
12. 12.🟦 An image is 20 pixels wide and 20 pixels tall. How many pixels does it have in all?
13. 13.🟦 You shrink a 760 × 320 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 An image is 250 pixels wide and 330 pixels tall. How many pixels does it have in all?
15. 15.🟦 An image is 3680 × 2070 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
16. 16.🟦 An image is 320 × 240 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
17. 17.🟦 An image is 510 × 340 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
18. 18.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) sharper (c) more colourful (d) squashed or wide
20. 20.Which of these best fits 16:9? (a) a square profile picture (b) a phone story clip (c) a laptop film screen (d) an old-style monitor
21. 21.Which of these best fits 9:16? (a) a widescreen slide (b) a square post (c) a tall phone video (d) a laptop film screen
22. 22.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?
23. 23.🟦 An image is 40 pixels wide and 190 pixels tall. How many pixels does it have in all?
24. 24.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
25. 25.🟦 You shrink an 80 × 340 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 You shrink a 340 × 460 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 An image is 260 pixels wide and 220 pixels tall. How many pixels does it have in all?
28. 28.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
29. 29.🟦 You shrink a 500 × 100 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 You shrink a 300 × 80 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 An image is 170 pixels wide and 50 pixels tall. How many pixels does it have in all?
32. 32.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
34. 34.🟦 A 4:3 video frame is 90 pixels tall. How many pixels wide is it?
35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
36. 36.🟦 An image is 210 × 210 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
37. 37.Which of these best fits 16:9? (a) a classic tablet screen (b) a tall phone video (c) a square profile picture (d) a widescreen slide
38. 38.Which of these best fits 1:1? (a) a square profile picture (b) a landscape video (c) a tall phone video (d) an old-style monitor
39. 39.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
40. 40.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3

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