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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 626 · 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.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  2. 2.🟦 An image is 250 pixels wide and 250 pixels tall. How many pixels does it have in all?
  3. 3.Which of these best fits 1:1? (a) a tall phone video (b) a square profile picture (c) a phone story clip (d) a widescreen TV
  4. 4.🟦 An image is 640 × 480 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
  5. 5.🟦 An image is 680 × 510 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  6. 6.🟦 An image is 350 pixels wide and 290 pixels tall. How many pixels does it have in all?
  7. 7.🟦 An image is 370 pixels wide and 360 pixels tall. How many pixels does it have in all?
  8. 8.🟦 An image is 180 pixels wide and 310 pixels tall. How many pixels does it have in all?
  9. 9.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  10. 10.🟦 An image is 220 pixels wide and 320 pixels tall. How many pixels does it have in all?
  11. 11.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  12. 12.🟦 You shrink a 180 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  13. 13.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) blocky (pixelated) (d) longer
  14. 14.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  15. 15.🟦 The resolution of an image is … (a) the paper colour (b) the number of pixels (c) the file name (d) the font
  16. 16.🟦 An image is 10 × 10 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
  17. 17.Which of these best fits 1:1? (a) a phone story clip (b) an older TV screen (c) a square post (d) a tall phone video
  18. 18.🟦 An image is 540 × 360 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
  19. 19.🟦 An image is 2560 × 1440 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  20. 20.🟦 An image is 40 × 30 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  21. 21.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  22. 22.Which of these best fits 16:9? (a) a laptop film screen (b) a phone story clip (c) a classic tablet screen (d) an album cover
  23. 23.🟦 You shrink a 180 × 180 pixel image to half its width and half its height. How many pixels does it have now?
  24. 24.🟦 An image is 1920 × 1080 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  25. 25.🟦 You shrink a 500 × 360 pixel image to half its width and half its height. How many pixels does it have now?
  26. 26.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) sharper (d) more colourful
  27. 27.🟦 An image is 600 × 450 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
  28. 28.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a tiny dot of colour (d) a font size
  29. 29.🟦 An image is 130 × 130 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
  30. 30.🟦 An image is 120 pixels wide and 310 pixels tall. How many pixels does it have in all?
  31. 31.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  32. 32.🟦 An image is 120 × 90 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
  33. 33.🟦 You shrink a 200 × 740 pixel image to half its width and half its height. How many pixels does it have now?
  34. 34.🟦 An image is 220 pixels wide and 310 pixels tall. How many pixels does it have in all?
  35. 35.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  36. 36.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  37. 37.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  38. 38.Which of these best fits 1:1? (a) a widescreen TV (b) a tall phone video (c) an album cover (d) a widescreen slide
  39. 39.🟦 You shrink a 120 × 480 pixel image to half its width and half its height. How many pixels does it have now?
  40. 40.🟦 A 4:3 video frame is 180 pixels tall. How many pixels wide is it?

Answer key

  1. 16:9
  2. 62500
  3. a square profile picture
  4. 4:3
  5. 4:3
  6. 101500
  7. 133200
  8. 55800
  9. 4
  10. 70400
  11. 4:3
  12. 9000
  13. blocky (pixelated)
  14. 3300
  15. the number of pixels
  16. 1:1
  17. a square post
  18. 3:2
  19. 16:9
  20. 4:3
  21. 9:16
  22. a laptop film screen
  23. 8100
  24. 16:9
  25. 45000
  26. squashed or wide
  27. 4:3
  28. a tiny dot of colour
  29. 1:1
  30. 37200
  31. 16:9
  32. 4:3
  33. 37000
  34. 68200
  35. 4:3
  36. 5
  37. 4
  38. an album cover
  39. 14400
  40. 240

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