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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 264 · 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.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  2. 2.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the paper colour (d) the file name
  3. 3.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a tiny dot of colour (d) a font size
  4. 4.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  5. 5.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  6. 6.🟦 A 4:3 video frame is 330 pixels tall. How many pixels wide is it?
  7. 7.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  8. 8.Which of these best fits 16:9? (a) a square sticker (b) a phone story clip (c) an album cover (d) a widescreen TV
  9. 9.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  10. 10.🟦 An image is 200 pixels wide and 180 pixels tall. How many pixels does it have in all?
  11. 11.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  12. 12.Which of these best fits 1:1? (a) an older TV screen (b) a widescreen slide (c) a widescreen TV (d) a square post
  13. 13.🟦 A 4:3 video frame is 240 pixels tall. How many pixels wide is it?
  14. 14.🟦 You shrink a 480 × 700 pixel image to half its width and half its height. How many pixels does it have now?
  15. 15.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  16. 16.🟦 You shrink a 640 × 220 pixel image to half its width and half its height. How many pixels does it have now?
  17. 17.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) taller than wide (d) wider than it is tall
  18. 18.🟦 You shrink a 140 × 80 pixel image to half its width and half its height. How many pixels does it have now?
  19. 19.Which of these best fits 9:16? (a) an upright phone screen (b) an older TV screen (c) an album cover (d) an old-style monitor
  20. 20.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
  21. 21.🟦 An image is 30 pixels wide and 190 pixels tall. How many pixels does it have in all?
  22. 22.Which of these best fits 16:9? (a) an older TV screen (b) a laptop film screen (c) a tall phone video (d) an album cover
  23. 23.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  24. 24.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  25. 25.🟦 A 16:9 video frame is 1080 pixels tall. How many pixels wide is it?
  26. 26.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) longer (d) blocky (pixelated)
  27. 27.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  28. 28.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) squashed or wide (d) sharper
  29. 29.🟦 You shrink a 720 × 380 pixel image to half its width and half its height. How many pixels does it have now?
  30. 30.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  31. 31.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  32. 32.🟦 An image is 240 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
  33. 33.🟦 You shrink a 200 × 280 pixel image to half its width and half its height. How many pixels does it have now?
  34. 34.🟦 You shrink a 760 × 400 pixel image to half its width and half its height. How many pixels does it have now?
  35. 35.🟦 You shrink a 380 × 760 pixel image to half its width and half its height. How many pixels does it have now?
  36. 36.🟦 An image is 340 pixels wide and 170 pixels tall. How many pixels does it have in all?
  37. 37.🟦 An image is 380 pixels wide and 240 pixels tall. How many pixels does it have in all?
  38. 38.🟦 An image is 330 pixels wide and 360 pixels tall. How many pixels does it have in all?
  39. 39.Which of these best fits 9:16? (a) an album cover (b) an old-style monitor (c) a tall phone video (d) a widescreen TV
  40. 40.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16

Answer key

  1. 600
  2. the number of pixels
  3. a tiny dot of colour
  4. 16:9
  5. 6
  6. 440
  7. 9:16
  8. a widescreen TV
  9. 9
  10. 36000
  11. 9:16
  12. a square post
  13. 320
  14. 84000
  15. 2.5
  16. 35200
  17. wider than it is tall
  18. 2800
  19. an upright phone screen
  20. 640
  21. 5700
  22. a laptop film screen
  23. 16:9
  24. 4
  25. 1920
  26. blocky (pixelated)
  27. 21
  28. squashed or wide
  29. 68400
  30. 1350
  31. 16:9
  32. 4:3
  33. 14000
  34. 76000
  35. 72200
  36. 57800
  37. 91200
  38. 118800
  39. a tall phone video
  40. 1:1

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