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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 783 · 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 2-inch-wide print?
  2. 2.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  3. 3.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  4. 4.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  5. 5.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  6. 6.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  7. 7.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  8. 8.Which of these best fits 9:16? (a) a widescreen TV (b) an old-style monitor (c) a tall phone video (d) a classic tablet screen
  9. 9.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) a perfect square (d) round
  10. 10.Which of these best fits 4:3? (a) a square sticker (b) an old-style monitor (c) a square post (d) a landscape video
  11. 11.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  12. 12.Which of these best fits 1:1? (a) a landscape video (b) an old-style monitor (c) an album cover (d) a phone story clip
  13. 13.🟦 A 4:3 video frame is 680 pixels wide. How many pixels tall is it?
  14. 14.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) sharper (d) longer
  15. 15.🟦 An image is 270 pixels wide and 230 pixels tall. How many pixels does it have in all?
  16. 16.🟦 An image is 340 pixels wide and 380 pixels tall. How many pixels does it have in all?
  17. 17.Which of these best fits 4:3? (a) a classic tablet screen (b) a square sticker (c) a tall phone video (d) a laptop film screen
  18. 18.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  19. 19.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) sharper (d) more colourful
  20. 20.🟦 You shrink a 140 × 600 pixel image to half its width and half its height. How many pixels does it have now?
  21. 21.🟦 You shrink a 480 × 180 pixel image to half its width and half its height. How many pixels does it have now?
  22. 22.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  23. 23.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  24. 24.Which of these best fits 4:3? (a) a square sticker (b) an older TV screen (c) a laptop film screen (d) a square post
  25. 25.🟦 An image is 270 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  26. 26.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  27. 27.Which of these best fits 16:9? (a) a square profile picture (b) a tall phone video (c) a square sticker (d) a widescreen slide
  28. 28.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  29. 29.🟦 A 4:3 video frame is 280 pixels wide. How many pixels tall is it?
  30. 30.🟦 You shrink a 580 × 720 pixel image to half its width and half its height. How many pixels does it have now?
  31. 31.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  32. 32.🟦 A 16:9 video frame is 2070 pixels tall. How many pixels wide is it?
  33. 33.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  34. 34.🟦 An image is 230 pixels wide and 220 pixels tall. How many pixels does it have in all?
  35. 35.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  36. 36.🟦 A 4:3 video frame is 270 pixels tall. How many pixels wide is it?
  37. 37.🟦 You shrink a 300 × 240 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.🟦 You shrink a 120 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  39. 39.🟦 A 4:3 video frame is 920 pixels wide. How many pixels tall is it?
  40. 40.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1

Answer key

  1. 300
  2. 7
  3. 2.5
  4. 1:1
  5. 10
  6. 12.5
  7. 3
  8. a tall phone video
  9. wider than it is tall
  10. an old-style monitor
  11. 9:16
  12. an album cover
  13. 510
  14. blocky (pixelated)
  15. 62100
  16. 129200
  17. a classic tablet screen
  18. 4:3
  19. squashed or wide
  20. 21000
  21. 21600
  22. 7.5
  23. 10.5
  24. an older TV screen
  25. 3:2
  26. 450
  27. a widescreen slide
  28. 4:3
  29. 210
  30. 104400
  31. 1500
  32. 3680
  33. 16:9
  34. 50600
  35. 4
  36. 360
  37. 18000
  38. 6000
  39. 690
  40. 4:3

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