Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 612 · 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 270 pixels wide and 110 pixels tall. How many pixels does it have in all?
2. 2.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
4. 4.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a font size (d) a tiny dot of colour
6. 6.🟦 An image is 80 × 60 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
7. 7.Which of these best fits 16:9? (a) an old-style monitor (b) a square post (c) a widescreen TV (d) a classic tablet screen
8. 8.🟦 An image is 90 × 90 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
9. 9.Which of these best fits 4:3? (a) an old-style monitor (b) an album cover (c) a widescreen slide (d) a square post
10. 10.🟦 An image is 320 pixels wide and 210 pixels tall. How many pixels does it have in all?
11. 11.🟦 An image is 60 pixels wide and 50 pixels tall. How many pixels does it have in all?
12. 12.🟦 An image is 40 × 40 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
13. 13.Which of these best fits 4:3? (a) a landscape video (b) an album cover (c) a phone story clip (d) a classic tablet screen
14. 14.🟦 A 16:9 video frame is 1440 pixels tall. How many pixels wide is it?
15. 15.Which of these best fits 16:9? (a) a phone story clip (b) an old-style monitor (c) a square post (d) a widescreen slide
16. 16.🟦 An image is 660 × 440 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
17. 17.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
18. 18.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.🟦 You shrink a 700 × 780 pixel image to half its width and half its height. How many pixels does it have now?
20. 20.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the number of pixels (d) the font
21. 21.🟦 You shrink a 260 × 200 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
23. 23.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
24. 24.🟦 You shrink a 600 × 320 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 You shrink a 720 × 560 pixel image to half its width and half its height. How many pixels does it have now?
26. 26.🟦 You shrink a 380 × 60 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 An image is 330 × 220 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
28. 28.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
29. 29.Which of these best fits 1:1? (a) a square profile picture (b) a widescreen slide (c) a landscape video (d) an upright phone screen
30. 30.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
31. 31.🟦 You shrink a 520 × 80 pixel image to half its width and half its height. How many pixels does it have now?
32. 32.Which of these best fits 16:9? (a) a tall phone video (b) a square sticker (c) a laptop film screen (d) an old-style monitor
33. 33.🟦 An image is 310 pixels wide and 350 pixels tall. How many pixels does it have in all?
34. 34.🟦 You shrink a 520 × 340 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 An image is 340 pixels wide and 350 pixels tall. How many pixels does it have in all?
36. 36.🟦 A 4:3 video frame is 60 pixels tall. How many pixels wide is it?
37. 37.🟦 You shrink a 280 × 160 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 You shrink a 440 × 600 pixel image to half its width and half its height. How many pixels does it have now?
39. 39.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?

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