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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 164 · 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 of these best fits 9:16? (a) a landscape video (b) a widescreen TV (c) an older TV screen (d) a tall phone video
  2. 2.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  3. 3.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  4. 4.🟦 An image is 370 pixels wide and 170 pixels tall. How many pixels does it have in all?
  5. 5.🟦 An image is 310 pixels wide and 390 pixels tall. How many pixels does it have in all?
  6. 6.Which of these best fits 16:9? (a) an older TV screen (b) a square sticker (c) a tall phone video (d) a widescreen slide
  7. 7.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) squashed or wide (d) more colourful
  8. 8.🟦 An image is 880 × 660 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
  9. 9.Which of these best fits 16:9? (a) an upright phone screen (b) a tall phone video (c) an album cover (d) a laptop film screen
  10. 10.Which of these best fits 1:1? (a) a classic tablet screen (b) a laptop film screen (c) a widescreen slide (d) a square profile picture
  11. 11.🟦 An image is 380 pixels wide and 60 pixels tall. How many pixels does it have in all?
  12. 12.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  13. 13.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  14. 14.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  15. 15.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  16. 16.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  17. 17.🟦 A 4:3 video frame is 640 pixels wide. How many pixels tall is it?
  18. 18.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  19. 19.🟦 An image is 270 pixels wide and 180 pixels tall. How many pixels does it have in all?
  20. 20.🟦 You shrink a 400 × 480 pixel image to half its width and half its height. How many pixels does it have now?
  21. 21.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a sound (d) a tiny dot of colour
  22. 22.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  23. 23.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  24. 24.Which of these best fits 9:16? (a) an older TV screen (b) a square post (c) an upright phone screen (d) an album cover
  25. 25.🟦 You shrink a 100 × 480 pixel image to half its width and half its height. How many pixels does it have now?
  26. 26.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  27. 27.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the file name (d) the number of pixels
  28. 28.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) wider than it is tall (d) taller than wide
  29. 29.🟦 You shrink a 440 × 520 pixel image to half its width and half its height. How many pixels does it have now?
  30. 30.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  31. 31.🟦 An image is 250 pixels wide and 110 pixels tall. How many pixels does it have in all?
  32. 32.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  33. 33.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  34. 34.🟦 An image is 90 × 60 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
  35. 35.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  36. 36.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  37. 37.🟦 You shrink a 580 × 700 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.🟦 An image is 150 pixels wide and 200 pixels tall. How many pixels does it have in all?
  39. 39.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) longer (c) louder (d) blocky (pixelated)
  40. 40.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9

Answer key

  1. a tall phone video
  2. 20
  3. 8
  4. 62900
  5. 120900
  6. a widescreen slide
  7. squashed or wide
  8. 4:3
  9. a laptop film screen
  10. a square profile picture
  11. 22800
  12. 9:16
  13. 9:16
  14. 1800
  15. 6
  16. 1:1
  17. 480
  18. 1:1
  19. 48600
  20. 48000
  21. a tiny dot of colour
  22. 900
  23. 6
  24. an upright phone screen
  25. 12000
  26. 600
  27. the number of pixels
  28. wider than it is tall
  29. 57200
  30. 16:9
  31. 27500
  32. 8
  33. 3
  34. 3:2
  35. 6
  36. 2100
  37. 101500
  38. 30000
  39. blocky (pixelated)
  40. 16:9

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