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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 586 · 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 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  2. 2.🟦 An image is 400 pixels wide and 90 pixels tall. How many pixels does it have in all?
  3. 3.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  4. 4.🟦 An image is 280 × 210 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
  5. 5.🟦 A 16:9 video frame is 1280 pixels wide. How many pixels tall is it?
  6. 6.🟦 A 16:9 video frame is 1120 pixels wide. How many pixels tall is it?
  7. 7.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a type of paper (d) a sound
  8. 8.🟦 A 16:9 video frame is 1800 pixels tall. How many pixels wide is it?
  9. 9.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  10. 10.🟦 An image is 310 pixels wide and 50 pixels tall. How many pixels does it have in all?
  11. 11.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  12. 12.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  13. 13.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  14. 14.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  15. 15.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the font (d) the number of pixels
  16. 16.🟦 An image is 40 pixels wide and 280 pixels tall. How many pixels does it have in all?
  17. 17.🟦 An image is 380 pixels wide and 270 pixels tall. How many pixels does it have in all?
  18. 18.Which of these best fits 16:9? (a) a widescreen slide (b) a classic tablet screen (c) a square profile picture (d) a square post
  19. 19.🟦 A 4:3 video frame is 450 pixels tall. How many pixels wide is it?
  20. 20.🟦 An image is 150 × 150 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
  21. 21.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
  22. 22.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) blocky (pixelated) (c) longer (d) sharper
  23. 23.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  24. 24.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  25. 25.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) round (d) wider than it is tall
  26. 26.🟦 An image is 960 × 540 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
  27. 27.🟦 A 16:9 video frame is 990 pixels tall. How many pixels wide is it?
  28. 28.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  29. 29.🟦 A 16:9 video frame is 960 pixels wide. How many pixels tall is it?
  30. 30.Which of these best fits 9:16? (a) a square profile picture (b) a widescreen slide (c) an upright phone screen (d) a widescreen TV
  31. 31.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  32. 32.🟦 An image is 160 pixels wide and 130 pixels tall. How many pixels does it have in all?
  33. 33.🟦 An image is 320 pixels wide and 340 pixels tall. How many pixels does it have in all?
  34. 34.🟦 An image is 90 pixels wide and 190 pixels tall. How many pixels does it have in all?
  35. 35.🟦 An image is 320 pixels wide and 270 pixels tall. How many pixels does it have in all?
  36. 36.🟦 A 16:9 video frame is 3360 pixels wide. How many pixels tall is it?
  37. 37.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  38. 38.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  39. 39.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  40. 40.🟦 You shrink a 360 × 560 pixel image to half its width and half its height. How many pixels does it have now?

Answer key

  1. 10.5
  2. 36000
  3. 9:16
  4. 4:3
  5. 720
  6. 630
  7. a tiny dot of colour
  8. 3200
  9. 3300
  10. 15500
  11. 900
  12. 10
  13. 6
  14. 600
  15. the number of pixels
  16. 11200
  17. 102600
  18. a widescreen slide
  19. 600
  20. 1:1
  21. 9:16
  22. blocky (pixelated)
  23. 4:3
  24. 16:9
  25. wider than it is tall
  26. 16:9
  27. 1760
  28. 1:1
  29. 540
  30. an upright phone screen
  31. 450
  32. 20800
  33. 108800
  34. 17100
  35. 86400
  36. 1890
  37. 6
  38. 8
  39. 7.5
  40. 50400

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