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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 471 · 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.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  2. 2.🟦 You shrink a 760 × 580 pixel image to half its width and half its height. How many pixels does it have now?
  3. 3.🟦 An image is 80 pixels wide and 30 pixels tall. How many pixels does it have in all?
  4. 4.🟦 A 16:9 video frame is 1440 pixels tall. How many pixels wide is it?
  5. 5.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  6. 6.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  7. 7.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  8. 8.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  9. 9.🟦 A 4:3 video frame is 160 pixels wide. How many pixels tall is it?
  10. 10.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) louder (d) longer
  11. 11.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  12. 12.🟦 A 16:9 video frame is 180 pixels tall. How many pixels wide is it?
  13. 13.Which of these best fits 1:1? (a) a widescreen TV (b) a landscape video (c) a widescreen slide (d) an album cover
  14. 14.Which of these best fits 9:16? (a) a landscape video (b) a square post (c) an album cover (d) a tall phone video
  15. 15.🟦 A 16:9 video frame is 1620 pixels tall. How many pixels wide is it?
  16. 16.🟦 An image is 250 pixels wide and 120 pixels tall. How many pixels does it have in all?
  17. 17.🟦 An image is 270 pixels wide and 260 pixels tall. How many pixels does it have in all?
  18. 18.🟦 You shrink an 800 × 520 pixel image to half its width and half its height. How many pixels does it have now?
  19. 19.🟦 The resolution of an image is … (a) the paper colour (b) the number of pixels (c) the font (d) the file name
  20. 20.🟦 A 4:3 video frame is 180 pixels tall. How many pixels wide is it?
  21. 21.Which of these best fits 16:9? (a) a widescreen slide (b) a square profile picture (c) an upright phone screen (d) a tall phone video
  22. 22.🟦 An image is 80 pixels wide and 40 pixels tall. How many pixels does it have in all?
  23. 23.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  24. 24.🟦 You shrink a 100 × 100 pixel image to half its width and half its height. How many pixels does it have now?
  25. 25.🟦 What is a pixel? (a) a font size (b) a sound (c) a tiny dot of colour (d) a type of paper
  26. 26.🟦 An image is 520 × 390 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  27. 27.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  28. 28.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  29. 29.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  30. 30.🟦 An image is 250 pixels wide and 110 pixels tall. How many pixels does it have in all?
  31. 31.🟦 You shrink a 180 × 340 pixel image to half its width and half its height. How many pixels does it have now?
  32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  33. 33.🟦 You shrink a 420 × 100 pixel image to half its width and half its height. How many pixels does it have now?
  34. 34.🟦 An image is 640 × 480 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  35. 35.Which of these best fits 16:9? (a) a classic tablet screen (b) an old-style monitor (c) a laptop film screen (d) an album cover
  36. 36.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  37. 37.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  38. 38.🟦 You shrink a 240 × 660 pixel image to half its width and half its height. How many pixels does it have now?
  39. 39.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  40. 40.Which of these best fits 9:16? (a) a square post (b) an upright phone screen (c) an album cover (d) a widescreen TV

Answer key

  1. 1:1
  2. 110200
  3. 2400
  4. 2560
  5. 4:3
  6. 12.5
  7. 1:1
  8. 1:1
  9. 120
  10. blocky (pixelated)
  11. 16:9
  12. 320
  13. an album cover
  14. a tall phone video
  15. 2880
  16. 30000
  17. 70200
  18. 104000
  19. the number of pixels
  20. 240
  21. a widescreen slide
  22. 3200
  23. 16:9
  24. 2500
  25. a tiny dot of colour
  26. 4:3
  27. 21
  28. 4
  29. 1:1
  30. 27500
  31. 15300
  32. 450
  33. 10500
  34. 4:3
  35. a laptop film screen
  36. 7.5
  37. 4.5
  38. 39600
  39. 3
  40. an upright phone screen

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