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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 374 · 40 questions
TalentJR

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.

NameDateTime takenScore ___ / 40
  1. 1.🟦 You shrink a 280 × 420 pixel image to half its width and half its height. How many pixels does it have now?
  2. 2.Which of these best fits 9:16? (a) an upright phone screen (b) an older TV screen (c) a square profile picture (d) a laptop film screen
  3. 3.🟦 An image is 480 × 360 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
  4. 4.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  5. 5.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  6. 6.Which of these best fits 9:16? (a) a tall phone video (b) a landscape video (c) a widescreen slide (d) an old-style monitor
  7. 7.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a type of paper (d) a sound
  8. 8.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  9. 9.🟦 The resolution of an image is … (a) the paper colour (b) the number of pixels (c) the file name (d) the font
  10. 10.Which of these best fits 16:9? (a) a phone story clip (b) a square post (c) a tall phone video (d) a widescreen TV
  11. 11.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) more colourful (d) exactly the same
  12. 12.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  13. 13.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  14. 14.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  15. 15.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  16. 16.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  17. 17.🟦 An image is 260 pixels wide and 120 pixels tall. How many pixels does it have in all?
  18. 18.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  19. 19.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  20. 20.🟦 An image is 120 × 120 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
  21. 21.🟦 A 4:3 video frame is 760 pixels wide. How many pixels tall is it?
  22. 22.🟦 You shrink a 180 × 80 pixel image to half its width and half its height. How many pixels does it have now?
  23. 23.🟦 An image is 3520 × 1980 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
  24. 24.🟦 A 16:9 video frame is 3840 pixels wide. How many pixels tall is it?
  25. 25.🟦 A 16:9 frame is … (a) wider than it is tall (b) round (c) a perfect square (d) taller than wide
  26. 26.🟦 An image is 130 pixels wide and 200 pixels tall. How many pixels does it have in all?
  27. 27.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) blocky (pixelated) (d) sharper
  28. 28.🟦 You shrink a 560 × 160 pixel image to half its width and half its height. How many pixels does it have now?
  29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  30. 30.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  31. 31.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  32. 32.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  33. 33.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  34. 34.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  35. 35.🟦 You shrink a 280 × 720 pixel image to half its width and half its height. How many pixels does it have now?
  36. 36.🟦 A 16:9 video frame is 1120 pixels wide. How many pixels tall is it?
  37. 37.🟦 An image is 30 × 30 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
  38. 38.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  39. 39.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  40. 40.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1

Answer key

  1. 29400
  2. an upright phone screen
  3. 4:3
  4. 450
  5. 4:3
  6. a tall phone video
  7. a tiny dot of colour
  8. 1800
  9. the number of pixels
  10. a widescreen TV
  11. squashed or wide
  12. 16:9
  13. 9
  14. 2
  15. 3300
  16. 18
  17. 31200
  18. 1:1
  19. 9:16
  20. 1:1
  21. 570
  22. 3600
  23. 16:9
  24. 2160
  25. wider than it is tall
  26. 26000
  27. blocky (pixelated)
  28. 22400
  29. 1350
  30. 900
  31. 4
  32. 2
  33. 750
  34. 4:3
  35. 50400
  36. 630
  37. 1:1
  38. 4
  39. 300
  40. 9:16

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