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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 492 · 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.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  2. 2.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  3. 3.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
  4. 4.🟦 What is a pixel? (a) a sound (b) a font size (c) a tiny dot of colour (d) a type of paper
  5. 5.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  6. 6.🟦 An image is 100 pixels wide and 60 pixels tall. How many pixels does it have in all?
  7. 7.🟦 An image is 400 × 300 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  8. 8.🟦 You shrink a 520 × 540 pixel image to half its width and half its height. How many pixels does it have now?
  9. 9.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  10. 10.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) more colourful (d) exactly the same
  11. 11.🟦 An image is 60 pixels wide and 310 pixels tall. How many pixels does it have in all?
  12. 12.🟦 You shrink a 320 × 80 pixel image to half its width and half its height. How many pixels does it have now?
  13. 13.🟦 A 16:9 video frame is 2560 pixels wide. How many pixels tall is it?
  14. 14.🟦 An image is 380 pixels wide and 60 pixels tall. How many pixels does it have in all?
  15. 15.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  16. 16.🟦 An image is 720 × 480 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
  17. 17.🟦 An image is 560 × 420 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
  18. 18.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  19. 19.🟦 You shrink a 140 × 360 pixel image to half its width and half its height. How many pixels does it have now?
  20. 20.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  21. 21.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  22. 22.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  23. 23.🟦 An image is 80 × 60 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
  24. 24.🟦 You shrink a 140 × 240 pixel image to half its width and half its height. How many pixels does it have now?
  25. 25.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  26. 26.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  27. 27.🟦 The resolution of an image is … (a) the file name (b) the number of pixels (c) the font (d) the paper colour
  28. 28.🟦 An image is 230 pixels wide and 220 pixels tall. How many pixels does it have in all?
  29. 29.🟦 An image is 140 × 140 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  30. 30.🟦 An image is 320 pixels wide and 110 pixels tall. How many pixels does it have in all?
  31. 31.Which of these best fits 4:3? (a) an older TV screen (b) a laptop film screen (c) a widescreen TV (d) a widescreen slide
  32. 32.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  33. 33.🟦 You shrink a 700 × 280 pixel image to half its width and half its height. How many pixels does it have now?
  34. 34.🟦 An image is 120 × 80 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
  35. 35.🟦 An image is 90 pixels wide and 270 pixels tall. How many pixels does it have in all?
  36. 36.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  37. 37.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  38. 38.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) blocky (pixelated) (d) sharper
  39. 39.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  40. 40.Which of these best fits 9:16? (a) a widescreen TV (b) a classic tablet screen (c) a tall phone video (d) a square post

Answer key

  1. 20
  2. 1800
  3. 840
  4. a tiny dot of colour
  5. 12
  6. 6000
  7. 4:3
  8. 70200
  9. 10
  10. squashed or wide
  11. 18600
  12. 6400
  13. 1440
  14. 22800
  15. 6
  16. 3:2
  17. 4:3
  18. 600
  19. 12600
  20. 1800
  21. 9:16
  22. 9:16
  23. 4:3
  24. 8400
  25. 4.5
  26. 1
  27. the number of pixels
  28. 50600
  29. 1:1
  30. 35200
  31. an older TV screen
  32. 1:1
  33. 49000
  34. 3:2
  35. 24300
  36. 900
  37. 4:3
  38. blocky (pixelated)
  39. 2100
  40. a tall phone video

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