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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 625 · 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.🟦 An image is 140 pixels wide and 30 pixels tall. How many pixels does it have in all?
  2. 2.🟦 An image is 210 pixels wide and 230 pixels tall. How many pixels does it have in all?
  3. 3.Which of these best fits 9:16? (a) an album cover (b) a widescreen slide (c) a phone story clip (d) a widescreen TV
  4. 4.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  5. 5.🟦 An image is 310 pixels wide and 260 pixels tall. How many pixels does it have in all?
  6. 6.🟦 An image is 350 pixels wide and 340 pixels tall. How many pixels does it have in all?
  7. 7.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
  8. 8.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  9. 9.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) wider than it is tall (d) taller than wide
  10. 10.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  11. 11.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  12. 12.🟦 The resolution of an image is … (a) the paper colour (b) the number of pixels (c) the file name (d) the font
  13. 13.🟦 An image is 720 × 480 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
  14. 14.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  15. 15.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  16. 16.🟦 An image is 30 × 30 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
  17. 17.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  18. 18.🟦 An image is 30 pixels wide and 210 pixels tall. How many pixels does it have in all?
  19. 19.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  20. 20.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  21. 21.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  22. 22.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) louder (d) sharper
  23. 23.🟦 An image is 70 pixels wide and 280 pixels tall. How many pixels does it have in all?
  24. 24.Which of these best fits 9:16? (a) a landscape video (b) an album cover (c) a tall phone video (d) a square post
  25. 25.Which of these best fits 1:1? (a) an album cover (b) an upright phone screen (c) a phone story clip (d) a landscape video
  26. 26.🟦 An image is 390 pixels wide and 260 pixels tall. How many pixels does it have in all?
  27. 27.🟦 You shrink a 180 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  28. 28.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  29. 29.🟦 An image is 360 pixels wide and 30 pixels tall. How many pixels does it have in all?
  30. 30.Which of these best fits 1:1? (a) an upright phone screen (b) a square sticker (c) a landscape video (d) a widescreen TV
  31. 31.Which of these best fits 4:3? (a) a tall phone video (b) an old-style monitor (c) an upright phone screen (d) a widescreen slide
  32. 32.🟦 An image is 300 pixels wide and 320 pixels tall. How many pixels does it have in all?
  33. 33.🟦 An image is 300 pixels wide and 70 pixels tall. How many pixels does it have in all?
  34. 34.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  35. 35.Which of these best fits 16:9? (a) a square post (b) a classic tablet screen (c) a landscape video (d) an upright phone screen
  36. 36.🟦 An image is 840 × 630 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
  37. 37.🟦 An image is 1600 × 900 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  38. 38.🟦 An image is 400 pixels wide and 140 pixels tall. How many pixels does it have in all?
  39. 39.🟦 An image is 70 pixels wide and 220 pixels tall. How many pixels does it have in all?
  40. 40.Which of these best fits 9:16? (a) a widescreen slide (b) an album cover (c) a square post (d) an upright phone screen

Answer key

  1. 4200
  2. 48300
  3. a phone story clip
  4. 4:3
  5. 80600
  6. 119000
  7. 16:9
  8. 900
  9. wider than it is tall
  10. 4:3
  11. 1:1
  12. the number of pixels
  13. 3:2
  14. 18
  15. 1:1
  16. 1:1
  17. 9:16
  18. 6300
  19. 4:3
  20. 3.5
  21. 3000
  22. blocky (pixelated)
  23. 19600
  24. a tall phone video
  25. an album cover
  26. 101400
  27. 9000
  28. 1200
  29. 10800
  30. a square sticker
  31. an old-style monitor
  32. 96000
  33. 21000
  34. 9:16
  35. a landscape video
  36. 4:3
  37. 16:9
  38. 56000
  39. 15400
  40. an upright phone screen

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