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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 596 · 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 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  2. 2.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the number of pixels (d) the font
  3. 3.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  4. 4.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  5. 5.🟦 An image is 60 × 60 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  6. 6.🟦 A 16:9 video frame is 1440 pixels tall. How many pixels wide is it?
  7. 7.🟦 A 4:3 video frame is 640 pixels wide. How many pixels tall is it?
  8. 8.🟦 You shrink a 100 × 40 pixel image to half its width and half its height. How many pixels does it have now?
  9. 9.Which of these best fits 4:3? (a) a tall phone video (b) an upright phone screen (c) a widescreen TV (d) a classic tablet screen
  10. 10.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  11. 11.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) louder (d) sharper
  12. 12.🟦 A 4:3 video frame is 280 pixels wide. How many pixels tall is it?
  13. 13.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) exactly the same (c) sharper (d) more colourful
  14. 14.🟦 An image is 40 pixels wide and 100 pixels tall. How many pixels does it have in all?
  15. 15.Which of these best fits 9:16? (a) a square post (b) an upright phone screen (c) an album cover (d) an old-style monitor
  16. 16.🟦 A 16:9 video frame is 2720 pixels wide. How many pixels tall is it?
  17. 17.🟦 An image is 330 pixels wide and 380 pixels tall. How many pixels does it have in all?
  18. 18.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  19. 19.Which of these best fits 4:3? (a) a square post (b) a square profile picture (c) an old-style monitor (d) an album cover
  20. 20.Which of these best fits 1:1? (a) an old-style monitor (b) a landscape video (c) an older TV screen (d) a square post
  21. 21.🟦 You shrink a 740 × 140 pixel image to half its width and half its height. How many pixels does it have now?
  22. 22.🟦 An image is 380 pixels wide and 270 pixels tall. How many pixels does it have in all?
  23. 23.Which of these best fits 1:1? (a) an album cover (b) a widescreen TV (c) a widescreen slide (d) an old-style monitor
  24. 24.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  25. 25.🟦 An image is 330 × 220 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  26. 26.🟦 You shrink a 420 × 420 pixel image to half its width and half its height. How many pixels does it have now?
  27. 27.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  28. 28.🟦 An image is 40 pixels wide and 210 pixels tall. How many pixels does it have in all?
  29. 29.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  30. 30.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  31. 31.🟦 You shrink a 520 × 480 pixel image to half its width and half its height. How many pixels does it have now?
  32. 32.🟦 An image is 280 pixels wide and 130 pixels tall. How many pixels does it have in all?
  33. 33.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  34. 34.🟦 An image is 40 pixels wide and 360 pixels tall. How many pixels does it have in all?
  35. 35.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  36. 36.🟦 An image is 320 pixels wide and 300 pixels tall. How many pixels does it have in all?
  37. 37.🟦 An image is 240 × 240 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
  38. 38.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  39. 39.🟦 An image is 120 pixels wide and 50 pixels tall. How many pixels does it have in all?
  40. 40.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3

Answer key

  1. 6
  2. the number of pixels
  3. 2400
  4. 6
  5. 1:1
  6. 2560
  7. 480
  8. 1000
  9. a classic tablet screen
  10. 7.5
  11. blocky (pixelated)
  12. 210
  13. squashed or wide
  14. 4000
  15. an upright phone screen
  16. 1530
  17. 125400
  18. 9:16
  19. an old-style monitor
  20. a square post
  21. 25900
  22. 102600
  23. an album cover
  24. 1050
  25. 3:2
  26. 44100
  27. 9:16
  28. 8400
  29. 4:3
  30. 1800
  31. 62400
  32. 36400
  33. 3
  34. 14400
  35. 4:3
  36. 96000
  37. 1:1
  38. 12
  39. 6000
  40. 16:9

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