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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 691 · 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.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  2. 2.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  3. 3.Which of these best fits 16:9? (a) an album cover (b) a phone story clip (c) an upright phone screen (d) a laptop film screen
  4. 4.🟦 An image is 50 × 50 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
  5. 5.🟦 A 4:3 video frame is 480 pixels wide. How many pixels tall is it?
  6. 6.Which of these best fits 9:16? (a) an older TV screen (b) a tall phone video (c) a widescreen slide (d) a laptop film screen
  7. 7.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  8. 8.Which of these best fits 9:16? (a) a classic tablet screen (b) an album cover (c) an upright phone screen (d) a widescreen TV
  9. 9.🟦 You shrink a 520 × 680 pixel image to half its width and half its height. How many pixels does it have now?
  10. 10.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  11. 11.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) wider than it is tall (d) a perfect square
  12. 12.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the font (d) the number of pixels
  13. 13.🟦 A 4:3 video frame is 240 pixels wide. How many pixels tall is it?
  14. 14.🟦 You shrink a 240 × 80 pixel image to half its width and half its height. How many pixels does it have now?
  15. 15.Which of these best fits 4:3? (a) a square profile picture (b) an old-style monitor (c) a widescreen slide (d) an upright phone screen
  16. 16.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  17. 17.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  18. 18.Which of these best fits 16:9? (a) a classic tablet screen (b) an album cover (c) a widescreen TV (d) a phone story clip
  19. 19.Which of these best fits 1:1? (a) a classic tablet screen (b) a tall phone video (c) an old-style monitor (d) a square sticker
  20. 20.🟦 An image is 240 pixels wide and 60 pixels tall. How many pixels does it have in all?
  21. 21.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  22. 22.Which of these best fits 16:9? (a) an old-style monitor (b) a widescreen slide (c) an upright phone screen (d) an album cover
  23. 23.🟦 A 16:9 video frame is 3520 pixels wide. How many pixels tall is it?
  24. 24.🟦 An image is 1120 × 630 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
  25. 25.🟦 An image is 270 pixels wide and 80 pixels tall. How many pixels does it have in all?
  26. 26.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) longer (d) blocky (pixelated)
  27. 27.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  28. 28.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  29. 29.🟦 You shrink a 160 × 660 pixel image to half its width and half its height. How many pixels does it have now?
  30. 30.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  31. 31.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  32. 32.🟦 You shrink a 100 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  33. 33.🟦 An image is 360 × 270 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
  34. 34.🟦 You shrink a 540 × 780 pixel image to half its width and half its height. How many pixels does it have now?
  35. 35.🟦 An image is 250 pixels wide and 350 pixels tall. How many pixels does it have in all?
  36. 36.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  37. 37.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  38. 38.🟦 An image is 510 × 340 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
  39. 39.🟦 A 16:9 video frame is 1620 pixels tall. How many pixels wide is it?
  40. 40.🟦 You shrink a 340 × 100 pixel image to half its width and half its height. How many pixels does it have now?

Answer key

  1. 600
  2. 16:9
  3. a laptop film screen
  4. 1:1
  5. 360
  6. a tall phone video
  7. 21
  8. an upright phone screen
  9. 88400
  10. 3
  11. wider than it is tall
  12. the number of pixels
  13. 180
  14. 4800
  15. an old-style monitor
  16. 1:1
  17. 16:9
  18. a widescreen TV
  19. a square sticker
  20. 14400
  21. 9
  22. a widescreen slide
  23. 1980
  24. 16:9
  25. 21600
  26. blocky (pixelated)
  27. 6
  28. 4:3
  29. 26400
  30. 9:16
  31. 4.5
  32. 5000
  33. 4:3
  34. 105300
  35. 87500
  36. 3.5
  37. 1.5
  38. 3:2
  39. 2880
  40. 8500

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