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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 421 · 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 140 × 140 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
  2. 2.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the number of pixels (d) the font
  3. 3.🟦 An image is 220 × 220 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
  4. 4.Which of these best fits 9:16? (a) a landscape video (b) a tall phone video (c) an album cover (d) a square post
  5. 5.🟦 An image is 370 pixels wide and 300 pixels tall. How many pixels does it have in all?
  6. 6.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  7. 7.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  8. 8.🟦 You shrink a 760 × 500 pixel image to half its width and half its height. How many pixels does it have now?
  9. 9.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) sharper (c) more colourful (d) squashed or wide
  10. 10.🟦 An image is 100 pixels wide and 120 pixels tall. How many pixels does it have in all?
  11. 11.🟦 An image is 370 pixels wide and 50 pixels tall. How many pixels does it have in all?
  12. 12.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  13. 13.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  14. 14.🟦 A 16:9 video frame is 2560 pixels wide. How many pixels tall is it?
  15. 15.🟦 An image is 420 × 280 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
  16. 16.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  17. 17.🟦 You shrink a 560 × 80 pixel image to half its width and half its height. How many pixels does it have now?
  18. 18.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  19. 19.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  20. 20.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  21. 21.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  22. 22.Which of these best fits 4:3? (a) an old-style monitor (b) a widescreen slide (c) a laptop film screen (d) a landscape video
  23. 23.🟦 An image is 480 × 320 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
  24. 24.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  25. 25.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  26. 26.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  27. 27.🟦 An image is 100 pixels wide and 340 pixels tall. How many pixels does it have in all?
  28. 28.🟦 A 16:9 video frame is 1890 pixels tall. How many pixels wide is it?
  29. 29.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) louder (d) longer
  30. 30.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  31. 31.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  32. 32.🟦 A 4:3 video frame is 480 pixels tall. How many pixels wide is it?
  33. 33.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  34. 34.Which of these best fits 4:3? (a) an upright phone screen (b) a phone story clip (c) an older TV screen (d) a square sticker
  35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  36. 36.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  37. 37.🟦 An image is 30 pixels wide and 400 pixels tall. How many pixels does it have in all?
  38. 38.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  39. 39.Which of these best fits 1:1? (a) a classic tablet screen (b) an older TV screen (c) a landscape video (d) a square profile picture
  40. 40.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3

Answer key

  1. 1:1
  2. the number of pixels
  3. 1:1
  4. a tall phone video
  5. 111000
  6. 15
  7. 12
  8. 95000
  9. squashed or wide
  10. 12000
  11. 18500
  12. 3
  13. 900
  14. 1440
  15. 3:2
  16. 3.5
  17. 11200
  18. 900
  19. 1350
  20. 1200
  21. 6
  22. an old-style monitor
  23. 3:2
  24. 6
  25. 16:9
  26. 8
  27. 34000
  28. 3360
  29. blocky (pixelated)
  30. 10
  31. 9
  32. 640
  33. 2700
  34. an older TV screen
  35. 300
  36. 4:3
  37. 12000
  38. 4:3
  39. a square profile picture
  40. 1:1

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