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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 258 · 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 4:3? (a) an old-style monitor (b) an album cover (c) a laptop film screen (d) a square post
  2. 2.Which of these best fits 9:16? (a) an album cover (b) an old-style monitor (c) a tall phone video (d) a widescreen slide
  3. 3.🟦 An image is 290 pixels wide and 120 pixels tall. How many pixels does it have in all?
  4. 4.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  5. 5.Which of these best fits 1:1? (a) a widescreen TV (b) an old-style monitor (c) an older TV screen (d) an album cover
  6. 6.🟦 A 16:9 video frame is 2560 pixels wide. How many pixels tall is it?
  7. 7.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  8. 8.🟦 An image is 2080 × 1170 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  9. 9.Which of these best fits 16:9? (a) a phone story clip (b) a widescreen TV (c) an older TV screen (d) an album cover
  10. 10.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  11. 11.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) sharper (d) longer
  12. 12.🟦 A 4:3 video frame is 360 pixels tall. How many pixels wide is it?
  13. 13.Which of these best fits 9:16? (a) an upright phone screen (b) a square sticker (c) a widescreen slide (d) a laptop film screen
  14. 14.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  15. 15.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) more colourful (d) exactly the same
  16. 16.🟦 You shrink a 420 × 120 pixel image to half its width and half its height. How many pixels does it have now?
  17. 17.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  18. 18.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  19. 19.🟦 What is a pixel? (a) a type of paper (b) a tiny dot of colour (c) a sound (d) a font size
  20. 20.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  21. 21.🟦 You shrink a 300 × 600 pixel image to half its width and half its height. How many pixels does it have now?
  22. 22.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  23. 23.🟦 An image is 30 pixels wide and 120 pixels tall. How many pixels does it have in all?
  24. 24.Which of these best fits 4:3? (a) an older TV screen (b) a laptop film screen (c) a phone story clip (d) a widescreen slide
  25. 25.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  26. 26.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  27. 27.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  28. 28.Which of these best fits 16:9? (a) a square post (b) a tall phone video (c) a classic tablet screen (d) a laptop film screen
  29. 29.🟦 An image is 30 pixels wide and 380 pixels tall. How many pixels does it have in all?
  30. 30.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  31. 31.🟦 The resolution of an image is … (a) the file name (b) the font (c) the paper colour (d) the number of pixels
  32. 32.🟦 An image is 380 pixels wide and 200 pixels tall. How many pixels does it have in all?
  33. 33.🟦 You shrink a 400 × 140 pixel image to half its width and half its height. How many pixels does it have now?
  34. 34.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  35. 35.🟦 A 4:3 video frame is 480 pixels wide. How many pixels tall is it?
  36. 36.🟦 An image is 20 × 20 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
  37. 37.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  38. 38.🟦 You shrink a 740 × 800 pixel image to half its width and half its height. How many pixels does it have now?
  39. 39.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  40. 40.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9

Answer key

  1. an old-style monitor
  2. a tall phone video
  3. 34800
  4. 1:1
  5. an album cover
  6. 1440
  7. 1350
  8. 16:9
  9. a widescreen TV
  10. 16:9
  11. blocky (pixelated)
  12. 480
  13. an upright phone screen
  14. 16:9
  15. squashed or wide
  16. 12600
  17. 6
  18. 7
  19. a tiny dot of colour
  20. 5
  21. 45000
  22. 4:3
  23. 3600
  24. an older TV screen
  25. 8
  26. 6
  27. 7.5
  28. a laptop film screen
  29. 11400
  30. 4:3
  31. the number of pixels
  32. 76000
  33. 14000
  34. 9:16
  35. 360
  36. 1:1
  37. 16:9
  38. 148000
  39. 10.5
  40. 16:9

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