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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 751 · 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 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  2. 2.🟦 You shrink a 100 × 300 pixel image to half its width and half its height. How many pixels does it have now?
  3. 3.🟦 An image is 170 pixels wide and 200 pixels tall. How many pixels does it have in all?
  4. 4.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  5. 5.🟦 An image is 150 × 150 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
  6. 6.Which of these best fits 1:1? (a) a square sticker (b) a phone story clip (c) a tall phone video (d) a widescreen slide
  7. 7.🟦 An image is 130 pixels wide and 290 pixels tall. How many pixels does it have in all?
  8. 8.Which of these best fits 9:16? (a) a widescreen TV (b) an upright phone screen (c) a landscape video (d) a laptop film screen
  9. 9.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  10. 10.🟦 An image is 390 pixels wide and 290 pixels tall. How many pixels does it have in all?
  11. 11.🟦 An image is 20 pixels wide and 300 pixels tall. How many pixels does it have in all?
  12. 12.🟦 An image is 340 pixels wide and 160 pixels tall. How many pixels does it have in all?
  13. 13.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  14. 14.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  15. 15.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  16. 16.🟦 A 4:3 video frame is 180 pixels tall. How many pixels wide is it?
  17. 17.🟦 A 16:9 video frame is 990 pixels tall. How many pixels wide is it?
  18. 18.Which of these best fits 9:16? (a) a square sticker (b) a laptop film screen (c) a tall phone video (d) a widescreen TV
  19. 19.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  20. 20.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  21. 21.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  22. 22.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  23. 23.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) longer (d) louder
  24. 24.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  25. 25.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  26. 26.🟦 An image is 70 pixels wide and 80 pixels tall. How many pixels does it have in all?
  27. 27.🟦 An image is 100 pixels wide and 40 pixels tall. How many pixels does it have in all?
  28. 28.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  29. 29.🟦 The resolution of an image is … (a) the file name (b) the font (c) the number of pixels (d) the paper colour
  30. 30.Which of these best fits 16:9? (a) an upright phone screen (b) a classic tablet screen (c) an old-style monitor (d) a widescreen TV
  31. 31.Which of these best fits 1:1? (a) a square profile picture (b) a phone story clip (c) a classic tablet screen (d) a landscape video
  32. 32.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  33. 33.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) wider than it is tall (d) round
  34. 34.🟦 You shrink a 500 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  35. 35.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  36. 36.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  37. 37.Which of these best fits 16:9? (a) a square profile picture (b) a tall phone video (c) a widescreen slide (d) a phone story clip
  38. 38.🟦 You shrink a 620 × 180 pixel image to half its width and half its height. How many pixels does it have now?
  39. 39.Which of these best fits 4:3? (a) an upright phone screen (b) an older TV screen (c) a widescreen slide (d) a phone story clip
  40. 40.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3

Answer key

  1. 12
  2. 7500
  3. 34000
  4. 16:9
  5. 1:1
  6. a square sticker
  7. 37700
  8. an upright phone screen
  9. 1500
  10. 113100
  11. 6000
  12. 54400
  13. 6
  14. 9:16
  15. 1050
  16. 240
  17. 1760
  18. a tall phone video
  19. 12
  20. 3600
  21. 4:3
  22. 4
  23. blocky (pixelated)
  24. 1:1
  25. 5
  26. 5600
  27. 4000
  28. 15
  29. the number of pixels
  30. a widescreen TV
  31. a square profile picture
  32. 2700
  33. wider than it is tall
  34. 25000
  35. 5
  36. 16:9
  37. a widescreen slide
  38. 27900
  39. an older TV screen
  40. 9:16

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