Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 973 · 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.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
2. 2.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?
3. 3.Which of these best fits 16:9? (a) an older TV screen (b) an upright phone screen (c) a landscape video (d) an old-style monitor
4. 4.🟦 An image is 120 pixels wide and 370 pixels tall. How many pixels does it have in all?
5. 5.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
6. 6.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 You shrink a 280 × 40 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
9. 9.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
10. 10.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
11. 11.🟦 You shrink an 80 × 640 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.Which of these best fits 9:16? (a) a widescreen TV (b) a square sticker (c) a tall phone video (d) a classic tablet screen
13. 13.🟦 An image is 40 pixels wide and 240 pixels tall. How many pixels does it have in all?
14. 14.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a type of paper (d) a sound
15. 15.Which of these best fits 4:3? (a) a widescreen slide (b) a square sticker (c) a square profile picture (d) an older TV screen
16. 16.🟦 A 4:3 video frame is 880 pixels wide. How many pixels tall is it?
17. 17.🟦 You shrink a 480 × 180 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
19. 19.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
23. 23.🟦 An image is 150 pixels wide and 220 pixels tall. How many pixels does it have in all?
24. 24.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
25. 25.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
26. 26.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the number of pixels (d) the font
27. 27.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
28. 28.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
29. 29.🟦 An image is 250 pixels wide and 290 pixels tall. How many pixels does it have in all?
30. 30.🟦 You shrink a 600 × 340 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 You shrink a 620 × 40 pixel image to half its width and half its height. How many pixels does it have now?
32. 32.🟦 You shrink a 340 × 740 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 You shrink a 200 × 660 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
35. 35.🟦 An image is 280 pixels wide and 80 pixels tall. How many pixels does it have in all?
36. 36.🟦 You shrink a 220 × 240 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
38. 38.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
39. 39.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
40. 40.🟦 An image is 390 pixels wide and 270 pixels tall. How many pixels does it have in all?

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