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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 598 · 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 300 pixels wide and 210 pixels tall. How many pixels does it have in all?
  2. 2.Which of these best fits 9:16? (a) a widescreen TV (b) a laptop film screen (c) a tall phone video (d) an album cover
  3. 3.Which of these best fits 1:1? (a) a tall phone video (b) an older TV screen (c) a landscape video (d) a square profile picture
  4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) longer (c) sharper (d) louder
  5. 5.🟦 What is a pixel? (a) a font size (b) a sound (c) a type of paper (d) a tiny dot of colour
  6. 6.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
  7. 7.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  8. 8.🟦 You shrink a 160 × 700 pixel image to half its width and half its height. How many pixels does it have now?
  9. 9.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
  10. 10.Which of these best fits 4:3? (a) a landscape video (b) an older TV screen (c) a widescreen slide (d) an upright phone screen
  11. 11.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  12. 12.Which of these best fits 9:16? (a) a landscape video (b) a phone story clip (c) a widescreen slide (d) a laptop film screen
  13. 13.🟦 An image is 600 × 450 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
  14. 14.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  15. 15.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  16. 16.🟦 You shrink a 560 × 40 pixel image to half its width and half its height. How many pixels does it have now?
  17. 17.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  18. 18.🟦 An image is 180 × 120 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
  19. 19.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  20. 20.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  21. 21.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  22. 22.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  23. 23.🟦 You shrink a 280 × 40 pixel image to half its width and half its height. How many pixels does it have now?
  24. 24.🟦 The resolution of an image is … (a) the paper colour (b) the font (c) the number of pixels (d) the file name
  25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  26. 26.Which of these best fits 1:1? (a) an older TV screen (b) a tall phone video (c) a widescreen slide (d) a square sticker
  27. 27.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  28. 28.🟦 You shrink a 300 × 680 pixel image to half its width and half its height. How many pixels does it have now?
  29. 29.🟦 An image is 720 × 540 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
  30. 30.🟦 An image is 40 × 30 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
  31. 31.🟦 A 4:3 video frame is 120 pixels tall. How many pixels wide is it?
  32. 32.🟦 A 16:9 video frame is 2070 pixels tall. How many pixels wide is it?
  33. 33.Which of these best fits 16:9? (a) a square sticker (b) an album cover (c) a widescreen slide (d) a phone story clip
  34. 34.Which of these best fits 4:3? (a) a laptop film screen (b) a square profile picture (c) a classic tablet screen (d) a phone story clip
  35. 35.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  36. 36.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  37. 37.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  38. 38.🟦 You shrink a 280 × 520 pixel image to half its width and half its height. How many pixels does it have now?
  39. 39.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  40. 40.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16

Answer key

  1. 63000
  2. a tall phone video
  3. a square profile picture
  4. blocky (pixelated)
  5. a tiny dot of colour
  6. 1:1
  7. 450
  8. 28000
  9. 450
  10. an older TV screen
  11. 1500
  12. a phone story clip
  13. 4:3
  14. 24
  15. 3000
  16. 5600
  17. 600
  18. 3:2
  19. 12.5
  20. 16
  21. 3300
  22. 16:9
  23. 2800
  24. the number of pixels
  25. 300
  26. a square sticker
  27. 1800
  28. 51000
  29. 4:3
  30. 4:3
  31. 160
  32. 3680
  33. a widescreen slide
  34. a classic tablet screen
  35. 14
  36. 9:16
  37. 16:9
  38. 36400
  39. 16:9
  40. 9:16

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