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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 184 · 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.🟦 You shrink a 560 × 760 pixel image to half its width and half its height. How many pixels does it have now?
  2. 2.🟦 A 16:9 video frame is 3520 pixels wide. How many pixels tall is it?
  3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  4. 4.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  5. 5.🟦 An image is 50 pixels wide and 340 pixels tall. How many pixels does it have in all?
  6. 6.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a font size (d) a type of paper
  7. 7.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  8. 8.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  9. 9.🟦 A 4:3 video frame is 300 pixels tall. How many pixels wide is it?
  10. 10.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the file name (d) the paper colour
  11. 11.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  12. 12.Which of these best fits 1:1? (a) a phone story clip (b) an album cover (c) an older TV screen (d) a landscape video
  13. 13.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) wider than it is tall (d) taller than wide
  14. 14.🟦 An image is 840 × 630 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
  15. 15.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  16. 16.🟦 An image is 40 × 30 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
  17. 17.Which of these best fits 1:1? (a) a square profile picture (b) a classic tablet screen (c) a widescreen slide (d) a landscape video
  18. 18.🟦 You shrink a 120 × 580 pixel image to half its width and half its height. How many pixels does it have now?
  19. 19.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  21. 21.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
  22. 22.🟦 A 16:9 video frame is 3360 pixels wide. How many pixels tall is it?
  23. 23.🟦 You shrink a 560 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  24. 24.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  25. 25.Which of these best fits 4:3? (a) a laptop film screen (b) a classic tablet screen (c) an upright phone screen (d) a tall phone video
  26. 26.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  27. 27.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  28. 28.Which of these best fits 4:3? (a) a tall phone video (b) a widescreen TV (c) a square sticker (d) an old-style monitor
  29. 29.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  30. 30.Which of these best fits 9:16? (a) a tall phone video (b) a landscape video (c) a widescreen slide (d) an older TV screen
  31. 31.🟦 An image is 190 pixels wide and 370 pixels tall. How many pixels does it have in all?
  32. 32.Which of these best fits 9:16? (a) an older TV screen (b) a laptop film screen (c) a widescreen TV (d) an upright phone screen
  33. 33.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  34. 34.🟦 An image is 300 pixels wide and 360 pixels tall. How many pixels does it have in all?
  35. 35.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) exactly the same (d) squashed or wide
  36. 36.Which of these best fits 1:1? (a) a widescreen slide (b) an older TV screen (c) a square sticker (d) an old-style monitor
  37. 37.🟦 You shrink a 500 × 520 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.🟦 A 16:9 video frame is 270 pixels tall. How many pixels wide is it?
  39. 39.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  40. 40.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) blocky (pixelated) (d) longer

Answer key

  1. 106400
  2. 1980
  3. 300
  4. 900
  5. 17000
  6. a tiny dot of colour
  7. 20
  8. 4
  9. 400
  10. the number of pixels
  11. 1200
  12. an album cover
  13. wider than it is tall
  14. 4:3
  15. 16:9
  16. 4:3
  17. a square profile picture
  18. 17400
  19. 8
  20. 450
  21. 1:1
  22. 1890
  23. 28000
  24. 2.5
  25. a classic tablet screen
  26. 12
  27. 16:9
  28. an old-style monitor
  29. 9
  30. a tall phone video
  31. 70300
  32. an upright phone screen
  33. 1:1
  34. 108000
  35. squashed or wide
  36. a square sticker
  37. 65000
  38. 480
  39. 16:9
  40. blocky (pixelated)

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