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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 177 · 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.🟦 An image is 600 × 450 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
  2. 2.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  3. 3.Which of these best fits 1:1? (a) a tall phone video (b) an old-style monitor (c) a widescreen slide (d) a square profile picture
  4. 4.🟦 A 4:3 video frame is 210 pixels tall. How many pixels wide is it?
  5. 5.🟦 An image is 120 × 90 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  6. 6.Which of these best fits 4:3? (a) a square sticker (b) a widescreen slide (c) a classic tablet screen (d) a laptop film screen
  7. 7.🟦 You shrink a 280 × 120 pixel image to half its width and half its height. How many pixels does it have now?
  8. 8.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
  9. 9.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  10. 10.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  11. 11.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  12. 12.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a type of paper (d) a font size
  13. 13.🟦 You shrink an 80 × 600 pixel image to half its width and half its height. How many pixels does it have now?
  14. 14.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  15. 15.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) blocky (pixelated) (d) sharper
  16. 16.🟦 An image is 180 pixels wide and 400 pixels tall. How many pixels does it have in all?
  17. 17.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  18. 18.🟦 An image is 80 × 60 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
  19. 19.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  20. 20.🟦 An image is 340 pixels wide and 90 pixels tall. How many pixels does it have in all?
  21. 21.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  22. 22.Which of these best fits 9:16? (a) a widescreen slide (b) a classic tablet screen (c) an older TV screen (d) an upright phone screen
  23. 23.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  24. 24.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
  25. 25.🟦 An image is 240 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
  26. 26.🟦 An image is 50 pixels wide and 210 pixels tall. How many pixels does it have in all?
  27. 27.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  28. 28.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) sharper (c) more colourful (d) squashed or wide
  29. 29.🟦 You shrink a 160 × 60 pixel image to half its width and half its height. How many pixels does it have now?
  30. 30.Which of these best fits 16:9? (a) an older TV screen (b) a classic tablet screen (c) a laptop film screen (d) an album cover
  31. 31.Which of these best fits 16:9? (a) an older TV screen (b) a square post (c) an album cover (d) a widescreen TV
  32. 32.🟦 The resolution of an image is … (a) the file name (b) the font (c) the paper colour (d) the number of pixels
  33. 33.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) round (d) wider than it is tall
  34. 34.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  35. 35.🟦 You shrink a 380 × 180 pixel image to half its width and half its height. How many pixels does it have now?
  36. 36.🟦 An image is 800 × 600 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  37. 37.🟦 A 4:3 video frame is 840 pixels wide. How many pixels tall is it?
  38. 38.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  39. 39.🟦 An image is 120 pixels wide and 250 pixels tall. How many pixels does it have in all?
  40. 40.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

Answer key

  1. 4:3
  2. 1650
  3. a square profile picture
  4. 280
  5. 4:3
  6. a classic tablet screen
  7. 8400
  8. 640
  9. 9:16
  10. 3600
  11. 20
  12. a tiny dot of colour
  13. 12000
  14. 4.5
  15. blocky (pixelated)
  16. 72000
  17. 3
  18. 4:3
  19. 16:9
  20. 30600
  21. 1:1
  22. an upright phone screen
  23. 1:1
  24. 450
  25. 4:3
  26. 10500
  27. 300
  28. squashed or wide
  29. 2400
  30. a laptop film screen
  31. a widescreen TV
  32. the number of pixels
  33. wider than it is tall
  34. 1
  35. 17100
  36. 4:3
  37. 630
  38. 16:9
  39. 30000
  40. 16

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