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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 96 · 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 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  2. 2.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
  3. 3.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  4. 4.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  5. 5.Which of these best fits 1:1? (a) a classic tablet screen (b) a square profile picture (c) an older TV screen (d) a widescreen TV
  6. 6.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  7. 7.🟦 An image is 2080 × 1170 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  8. 8.Which of these best fits 9:16? (a) a laptop film screen (b) an upright phone screen (c) a square post (d) a widescreen TV
  9. 9.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  10. 10.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) sharper (d) longer
  11. 11.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  12. 12.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  13. 13.🟦 An image is 130 pixels wide and 220 pixels tall. How many pixels does it have in all?
  14. 14.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  15. 15.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  16. 16.🟦 You shrink an 800 × 80 pixel image to half its width and half its height. How many pixels does it have now?
  17. 17.Which of these best fits 4:3? (a) an old-style monitor (b) a square profile picture (c) a widescreen TV (d) an album cover
  18. 18.🟦 You shrink a 480 × 720 pixel image to half its width and half its height. How many pixels does it have now?
  19. 19.🟦 You shrink a 140 × 40 pixel image to half its width and half its height. How many pixels does it have now?
  20. 20.🟦 An image is 220 pixels wide and 310 pixels tall. How many pixels does it have in all?
  21. 21.🟦 An image is 30 pixels wide and 160 pixels tall. How many pixels does it have in all?
  22. 22.🟦 What is a pixel? (a) a font size (b) a sound (c) a tiny dot of colour (d) a type of paper
  23. 23.🟦 A 16:9 video frame is 2720 pixels wide. How many pixels tall is it?
  24. 24.🟦 An image is 1440 × 810 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
  25. 25.🟦 A 4:3 video frame is 420 pixels tall. How many pixels wide is it?
  26. 26.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
  27. 27.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  28. 28.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) round (d) a perfect square
  29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  30. 30.🟦 An image is 290 pixels wide and 360 pixels tall. How many pixels does it have in all?
  31. 31.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the font (d) the number of pixels
  32. 32.🟦 A 4:3 video frame is 640 pixels wide. How many pixels tall is it?
  33. 33.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  34. 34.🟦 An image is 280 pixels wide and 240 pixels tall. How many pixels does it have in all?
  35. 35.🟦 An image is 240 × 240 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  36. 36.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  37. 37.🟦 An image is 3360 × 1890 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  38. 38.🟦 A 4:3 video frame is 400 pixels wide. How many pixels tall is it?
  39. 39.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  40. 40.🟦 An image is 200 pixels wide and 190 pixels tall. How many pixels does it have in all?

Answer key

  1. 7.5
  2. 180
  3. 2
  4. 16:9
  5. a square profile picture
  6. 9:16
  7. 16:9
  8. an upright phone screen
  9. 12
  10. blocky (pixelated)
  11. 16
  12. 1350
  13. 28600
  14. 16:9
  15. 8
  16. 16000
  17. an old-style monitor
  18. 86400
  19. 1400
  20. 68200
  21. 4800
  22. a tiny dot of colour
  23. 1530
  24. 16:9
  25. 560
  26. 1:1
  27. 9:16
  28. wider than it is tall
  29. 300
  30. 104400
  31. the number of pixels
  32. 480
  33. 1200
  34. 67200
  35. 1:1
  36. 5
  37. 16:9
  38. 300
  39. 18
  40. 38000

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