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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 846 · 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 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  3. 3.🟦 You shrink a 100 × 120 pixel image to half its width and half its height. How many pixels does it have now?
  4. 4.Which of these best fits 4:3? (a) a widescreen TV (b) a laptop film screen (c) a square profile picture (d) a classic tablet screen
  5. 5.🟦 An image is 250 pixels wide and 150 pixels tall. How many pixels does it have in all?
  6. 6.🟦 You shrink a 360 × 140 pixel image to half its width and half its height. How many pixels does it have now?
  7. 7.🟦 You shrink a 420 × 720 pixel image to half its width and half its height. How many pixels does it have now?
  8. 8.🟦 The resolution of an image is … (a) the font (b) the file name (c) the number of pixels (d) the paper colour
  9. 9.🟦 An image is 110 pixels wide and 140 pixels tall. How many pixels does it have in all?
  10. 10.🟦 An image is 1120 × 630 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
  11. 11.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  12. 12.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  13. 13.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  14. 14.Which of these best fits 1:1? (a) a landscape video (b) a classic tablet screen (c) an album cover (d) an old-style monitor
  15. 15.🟦 An image is 150 pixels wide and 30 pixels tall. How many pixels does it have in all?
  16. 16.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
  17. 17.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  18. 18.Which of these best fits 16:9? (a) a classic tablet screen (b) a laptop film screen (c) an older TV screen (d) an album cover
  19. 19.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a type of paper (d) a font size
  20. 20.Which of these best fits 4:3? (a) a landscape video (b) a square sticker (c) an old-style monitor (d) a widescreen slide
  21. 21.🟦 A 4:3 video frame is 450 pixels tall. How many pixels wide is it?
  22. 22.Which of these best fits 16:9? (a) an older TV screen (b) a square post (c) an old-style monitor (d) a widescreen TV
  23. 23.Which of these best fits 9:16? (a) a square sticker (b) an album cover (c) a tall phone video (d) a square post
  24. 24.🟦 You shrink a 680 × 420 pixel image to half its width and half its height. How many pixels does it have now?
  25. 25.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  26. 26.Which of these best fits 1:1? (a) a landscape video (b) a square post (c) a widescreen TV (d) a laptop film screen
  27. 27.🟦 You shrink a 760 × 260 pixel image to half its width and half its height. How many pixels does it have now?
  28. 28.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  29. 29.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  30. 30.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  31. 31.🟦 An image is 190 pixels wide and 290 pixels tall. How many pixels does it have in all?
  32. 32.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  33. 33.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  34. 34.🟦 A 16:9 video frame is 1440 pixels wide. How many pixels tall is it?
  35. 35.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  36. 36.Which of these best fits 9:16? (a) a square post (b) an upright phone screen (c) a laptop film screen (d) an album cover
  37. 37.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) blocky (pixelated) (d) longer
  38. 38.🟦 An image is 210 pixels wide and 180 pixels tall. How many pixels does it have in all?
  39. 39.🟦 A 16:9 video frame is 1890 pixels tall. How many pixels wide is it?
  40. 40.🟦 A 4:3 video frame is 120 pixels tall. How many pixels wide is it?

Answer key

  1. 300
  2. 12
  3. 3000
  4. a classic tablet screen
  5. 37500
  6. 12600
  7. 75600
  8. the number of pixels
  9. 15400
  10. 16:9
  11. 9
  12. 8
  13. 9:16
  14. an album cover
  15. 4500
  16. 16:9
  17. 1:1
  18. a laptop film screen
  19. a tiny dot of colour
  20. an old-style monitor
  21. 600
  22. a widescreen TV
  23. a tall phone video
  24. 71400
  25. 4:3
  26. a square post
  27. 49400
  28. 600
  29. 9:16
  30. 12.5
  31. 55100
  32. 17.5
  33. 9:16
  34. 810
  35. 16:9
  36. an upright phone screen
  37. blocky (pixelated)
  38. 37800
  39. 3360
  40. 160

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