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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 911 · 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 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  2. 2.🟦 An image is 80 pixels wide and 80 pixels tall. How many pixels does it have in all?
  3. 3.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  4. 4.Which of these best fits 1:1? (a) a widescreen TV (b) a widescreen slide (c) a square sticker (d) a tall phone video
  5. 5.🟦 The resolution of an image is … (a) the file name (b) the number of pixels (c) the font (d) the paper colour
  6. 6.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  7. 7.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  8. 8.🟦 You shrink a 540 × 80 pixel image to half its width and half its height. How many pixels does it have now?
  9. 9.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  10. 10.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  11. 11.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  12. 12.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  13. 13.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) louder (d) sharper
  14. 14.🟦 An image is 2240 × 1260 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
  15. 15.Which of these best fits 4:3? (a) a laptop film screen (b) a square sticker (c) a landscape video (d) an older TV screen
  16. 16.Which of these best fits 9:16? (a) a tall phone video (b) a landscape video (c) an old-style monitor (d) a square post
  17. 17.🟦 A 16:9 video frame is 3840 pixels wide. How many pixels tall is it?
  18. 18.🟦 A 16:9 video frame is 900 pixels tall. How many pixels wide is it?
  19. 19.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  20. 20.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  21. 21.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  22. 22.🟦 You shrink a 340 × 400 pixel image to half its width and half its height. How many pixels does it have now?
  23. 23.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  24. 24.🟦 An image is 10 × 10 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
  25. 25.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  26. 26.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  27. 27.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  28. 28.🟦 A 16:9 frame is … (a) wider than it is tall (b) round (c) taller than wide (d) a perfect square
  29. 29.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  30. 30.🟦 An image is 40 pixels wide and 180 pixels tall. How many pixels does it have in all?
  31. 31.🟦 A 16:9 video frame is 1080 pixels tall. How many pixels wide is it?
  32. 32.🟦 A 4:3 video frame is 800 pixels wide. How many pixels tall is it?
  33. 33.Which of these best fits 4:3? (a) an album cover (b) a landscape video (c) a classic tablet screen (d) a widescreen TV
  34. 34.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  35. 35.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  36. 36.🟦 A 4:3 video frame is 600 pixels tall. How many pixels wide is it?
  37. 37.Which of these best fits 4:3? (a) a landscape video (b) a square sticker (c) an old-style monitor (d) an album cover
  38. 38.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  39. 39.🟦 An image is 180 pixels wide and 80 pixels tall. How many pixels does it have in all?
  40. 40.🟦 An image is 420 × 280 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1

Answer key

  1. 900
  2. 6400
  3. 4:3
  4. a square sticker
  5. the number of pixels
  6. 14
  7. 1350
  8. 10800
  9. 16:9
  10. 600
  11. 1500
  12. 6
  13. blocky (pixelated)
  14. 16:9
  15. an older TV screen
  16. a tall phone video
  17. 2160
  18. 1600
  19. 4:3
  20. 5
  21. 450
  22. 34000
  23. 2700
  24. 1:1
  25. 1:1
  26. 1050
  27. 12
  28. wider than it is tall
  29. 3.5
  30. 7200
  31. 1920
  32. 600
  33. a classic tablet screen
  34. 6
  35. 16:9
  36. 800
  37. an old-style monitor
  38. 3
  39. 14400
  40. 3:2

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