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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 768 · 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.🟦 You shrink a 540 × 160 pixel image to half its width and half its height. How many pixels does it have now?
  3. 3.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the file name (d) the number of pixels
  4. 4.🟦 An image is 90 pixels wide and 220 pixels tall. How many pixels does it have in all?
  5. 5.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  6. 6.🟦 You shrink a 120 × 560 pixel image to half its width and half its height. How many pixels does it have now?
  7. 7.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  8. 8.Which of these best fits 4:3? (a) a phone story clip (b) an upright phone screen (c) an old-style monitor (d) a landscape video
  9. 9.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  10. 10.Which of these best fits 16:9? (a) an old-style monitor (b) an older TV screen (c) a landscape video (d) an upright phone screen
  11. 11.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  12. 12.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  13. 13.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  14. 14.🟦 A 4:3 video frame is 690 pixels tall. How many pixels wide is it?
  15. 15.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  16. 16.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) louder (d) sharper
  17. 17.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  18. 18.🟦 A 16:9 video frame is 630 pixels tall. How many pixels wide is it?
  19. 19.Which of these best fits 1:1? (a) an older TV screen (b) a tall phone video (c) a square profile picture (d) a phone story clip
  20. 20.🟦 An image is 210 pixels wide and 100 pixels tall. How many pixels does it have in all?
  21. 21.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  22. 22.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  23. 23.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  24. 24.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  25. 25.Which of these best fits 9:16? (a) a square sticker (b) a laptop film screen (c) a widescreen TV (d) an upright phone screen
  26. 26.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  27. 27.Which of these best fits 16:9? (a) a classic tablet screen (b) an old-style monitor (c) a square post (d) a laptop film screen
  28. 28.Which of these best fits 4:3? (a) a square sticker (b) a classic tablet screen (c) a landscape video (d) a tall phone video
  29. 29.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  30. 30.🟦 An image is 290 pixels wide and 360 pixels tall. How many pixels does it have in all?
  31. 31.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  32. 32.🟦 An image is 10 × 10 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
  33. 33.🟦 You shrink a 240 × 600 pixel image to half its width and half its height. How many pixels does it have now?
  34. 34.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  35. 35.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  36. 36.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  37. 37.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  38. 38.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  39. 39.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
  40. 40.🟦 A 4:3 video frame is 240 pixels wide. How many pixels tall is it?

Answer key

  1. 300
  2. 21600
  3. the number of pixels
  4. 19800
  5. 16:9
  6. 16800
  7. 12
  8. an old-style monitor
  9. 600
  10. a landscape video
  11. 4:3
  12. 4:3
  13. 3
  14. 920
  15. 450
  16. blocky (pixelated)
  17. 1050
  18. 1120
  19. a square profile picture
  20. 21000
  21. 1
  22. 12
  23. 1:1
  24. 900
  25. an upright phone screen
  26. 16:9
  27. a laptop film screen
  28. a classic tablet screen
  29. 2.5
  30. 104400
  31. 9:16
  32. 1:1
  33. 36000
  34. 3600
  35. 1:1
  36. 3
  37. 1:1
  38. 1350
  39. 9:16
  40. 180

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