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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 865 · 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.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) exactly the same (d) squashed or wide
  2. 2.🟦 An image is 160 × 120 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
  3. 3.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  4. 4.🟦 You shrink a 380 × 640 pixel image to half its width and half its height. How many pixels does it have now?
  5. 5.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) blocky (pixelated) (d) longer
  6. 6.Which of these best fits 9:16? (a) an upright phone screen (b) a square post (c) a widescreen TV (d) an older TV screen
  7. 7.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  8. 8.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) taller than wide (d) wider than it is tall
  9. 9.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  10. 10.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  11. 11.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  12. 12.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  13. 13.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  14. 14.🟦 An image is 210 pixels wide and 340 pixels tall. How many pixels does it have in all?
  15. 15.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  16. 16.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  17. 17.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the file name (d) the font
  18. 18.Which of these best fits 9:16? (a) a tall phone video (b) a laptop film screen (c) a square post (d) a widescreen slide
  19. 19.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  20. 20.🟦 Which aspect ratio best fits a square profile picture? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  21. 21.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a font size (d) a tiny dot of colour
  22. 22.🟦 You shrink a 200 × 600 pixel image to half its width and half its height. How many pixels does it have now?
  23. 23.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
  24. 24.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  25. 25.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  26. 26.🟦 A 4:3 video frame is 120 pixels tall. How many pixels wide is it?
  27. 27.🟦 You shrink a 520 × 240 pixel image to half its width and half its height. How many pixels does it have now?
  28. 28.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  29. 29.🟦 A 16:9 video frame is 960 pixels wide. How many pixels tall is it?
  30. 30.🟦 You shrink a 260 × 780 pixel image to half its width and half its height. How many pixels does it have now?
  31. 31.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  32. 32.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  33. 33.🟦 An image is 40 pixels wide and 160 pixels tall. How many pixels does it have in all?
  34. 34.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  35. 35.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  36. 36.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  37. 37.🟦 You shrink a 620 × 240 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  39. 39.🟦 You shrink a 540 × 520 pixel image to half its width and half its height. How many pixels does it have now?
  40. 40.🟦 An image is 230 pixels wide and 80 pixels tall. How many pixels does it have in all?

Answer key

  1. squashed or wide
  2. 4:3
  3. 1:1
  4. 60800
  5. blocky (pixelated)
  6. an upright phone screen
  7. 17.5
  8. wider than it is tall
  9. 24
  10. 1:1
  11. 9
  12. 16:9
  13. 12.5
  14. 71400
  15. 1:1
  16. 4
  17. the number of pixels
  18. a tall phone video
  19. 2700
  20. 1:1
  21. a tiny dot of colour
  22. 30000
  23. 180
  24. 4:3
  25. 1
  26. 160
  27. 31200
  28. 15
  29. 540
  30. 50700
  31. 2
  32. 6
  33. 6400
  34. 16:9
  35. 9:16
  36. 1500
  37. 37200
  38. 600
  39. 70200
  40. 18400

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