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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 250 · 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.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) blocky (pixelated) (c) longer (d) sharper
  2. 2.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  3. 3.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  4. 4.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  5. 5.🟦 An image is 380 pixels wide and 130 pixels tall. How many pixels does it have in all?
  6. 6.🟦 An image is 640 × 360 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  7. 7.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  8. 8.Which of these best fits 9:16? (a) a square sticker (b) an older TV screen (c) a tall phone video (d) a widescreen slide
  9. 9.🟦 An image is 380 pixels wide and 260 pixels tall. How many pixels does it have in all?
  10. 10.🟦 A 4:3 video frame is 210 pixels tall. How many pixels wide is it?
  11. 11.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  12. 12.🟦 An image is 140 pixels wide and 300 pixels tall. How many pixels does it have in all?
  13. 13.🟦 An image is 120 × 90 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
  14. 14.Which of these best fits 16:9? (a) a square sticker (b) a widescreen TV (c) a square post (d) a classic tablet screen
  15. 15.🟦 You shrink a 420 × 140 pixel image to half its width and half its height. How many pixels does it have now?
  16. 16.Which of these best fits 4:3? (a) an album cover (b) a widescreen slide (c) an old-style monitor (d) a tall phone video
  17. 17.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  18. 18.Which of these best fits 1:1? (a) a landscape video (b) a laptop film screen (c) a phone story clip (d) an album cover
  19. 19.🟦 A 16:9 frame is … (a) taller than wide (b) round (c) a perfect square (d) wider than it is tall
  20. 20.🟦 You shrink a 360 × 100 pixel image to half its width and half its height. How many pixels does it have now?
  21. 21.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the paper colour (d) the file name
  22. 22.🟦 A 16:9 video frame is 3520 pixels wide. How many pixels tall is it?
  23. 23.🟦 An image is 60 × 40 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
  24. 24.🟦 You shrink a 180 × 280 pixel image to half its width and half its height. How many pixels does it have now?
  25. 25.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  26. 26.🟦 An image is 1760 × 990 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
  27. 27.🟦 An image is 250 pixels wide and 70 pixels tall. How many pixels does it have in all?
  28. 28.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  29. 29.🟦 An image is 40 pixels wide and 140 pixels tall. How many pixels does it have in all?
  30. 30.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  31. 31.🟦 A 4:3 video frame is 720 pixels tall. How many pixels wide is it?
  32. 32.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  33. 33.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  34. 34.🟦 An image is 120 × 80 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
  35. 35.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a tiny dot of colour (d) a sound
  36. 36.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  37. 37.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  38. 38.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  39. 39.🟦 An image is 270 × 180 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  40. 40.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?

Answer key

  1. blocky (pixelated)
  2. 450
  3. 7.5
  4. 3600
  5. 49400
  6. 16:9
  7. 300
  8. a tall phone video
  9. 98800
  10. 280
  11. 10
  12. 42000
  13. 4:3
  14. a widescreen TV
  15. 14700
  16. an old-style monitor
  17. 9:16
  18. an album cover
  19. wider than it is tall
  20. 9000
  21. the number of pixels
  22. 1980
  23. 3:2
  24. 12600
  25. 12.5
  26. 16:9
  27. 17500
  28. 1:1
  29. 5600
  30. 2.5
  31. 960
  32. 4:3
  33. 16:9
  34. 3:2
  35. a tiny dot of colour
  36. 4:3
  37. 1500
  38. 3
  39. 3:2
  40. 640

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