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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 633 · 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.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  2. 2.🟦 An image is 2560 × 1440 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  3. 3.🟦 You shrink a 400 × 380 pixel image to half its width and half its height. How many pixels does it have now?
  4. 4.🟦 An image is 300 pixels wide and 60 pixels tall. How many pixels does it have in all?
  5. 5.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  6. 6.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) sharper (d) louder
  7. 7.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  8. 8.🟦 An image is 170 pixels wide and 180 pixels tall. How many pixels does it have in all?
  9. 9.🟦 An image is 190 pixels wide and 390 pixels tall. How many pixels does it have in all?
  10. 10.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
  11. 11.🟦 An image is 220 pixels wide and 110 pixels tall. How many pixels does it have in all?
  12. 12.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  13. 13.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  14. 14.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) wider than it is tall (d) taller than wide
  15. 15.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  16. 16.🟦 A 4:3 video frame is 360 pixels tall. How many pixels wide is it?
  17. 17.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  18. 18.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  19. 19.🟦 An image is 280 pixels wide and 390 pixels tall. How many pixels does it have in all?
  20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  21. 21.🟦 An image is 140 × 140 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  22. 22.🟦 You shrink a 320 × 360 pixel image to half its width and half its height. How many pixels does it have now?
  23. 23.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  24. 24.Which of these best fits 16:9? (a) a widescreen slide (b) a square post (c) a tall phone video (d) an older TV screen
  25. 25.Which of these best fits 1:1? (a) a square post (b) an old-style monitor (c) an upright phone screen (d) a phone story clip
  26. 26.🟦 A 4:3 video frame is 760 pixels wide. How many pixels tall is it?
  27. 27.Which of these best fits 16:9? (a) a laptop film screen (b) a classic tablet screen (c) a square profile picture (d) an old-style monitor
  28. 28.🟦 An image is 180 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
  29. 29.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  30. 30.🟦 An image is 210 × 210 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  31. 31.🟦 An image is 50 × 50 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
  32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  33. 33.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
  34. 34.🟦 An image is 380 pixels wide and 270 pixels tall. How many pixels does it have in all?
  35. 35.Which of these best fits 1:1? (a) an old-style monitor (b) a square profile picture (c) a tall phone video (d) an older TV screen
  36. 36.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) sharper (d) squashed or wide
  37. 37.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  38. 38.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  39. 39.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  40. 40.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

Answer key

  1. 7
  2. 16:9
  3. 38000
  4. 18000
  5. 17.5
  6. blocky (pixelated)
  7. 1050
  8. 30600
  9. 74100
  10. 9:16
  11. 24200
  12. 12
  13. 4:3
  14. wider than it is tall
  15. 9
  16. 480
  17. 3600
  18. 4:3
  19. 109200
  20. 450
  21. 1:1
  22. 28800
  23. 16:9
  24. a widescreen slide
  25. a square post
  26. 570
  27. a laptop film screen
  28. 1:1
  29. 1:1
  30. 1:1
  31. 1:1
  32. 1800
  33. 1620
  34. 102600
  35. a square profile picture
  36. squashed or wide
  37. 1:1
  38. 9:16
  39. 20
  40. 3.5

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