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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 564 · 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 480 × 160 pixel image to half its width and half its height. How many pixels does it have now?
  2. 2.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a font size (d) a tiny dot of colour
  3. 3.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  4. 4.Which of these best fits 16:9? (a) a square profile picture (b) a widescreen slide (c) an old-style monitor (d) a square sticker
  5. 5.🟦 You shrink a 540 × 700 pixel image to half its width and half its height. How many pixels does it have now?
  6. 6.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
  7. 7.🟦 A 16:9 video frame is 1170 pixels tall. How many pixels wide is it?
  8. 8.Which of these best fits 1:1? (a) a classic tablet screen (b) an older TV screen (c) a laptop film screen (d) a square post
  9. 9.🟦 An image is 120 pixels wide and 250 pixels tall. How many pixels does it have in all?
  10. 10.🟦 A 4:3 video frame is 690 pixels tall. How many pixels wide is it?
  11. 11.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
  12. 12.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  13. 13.Which of these best fits 1:1? (a) an old-style monitor (b) a landscape video (c) a square sticker (d) an upright phone screen
  14. 14.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  15. 15.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) longer (d) louder
  16. 16.🟦 An image is 320 pixels wide and 360 pixels tall. How many pixels does it have in all?
  17. 17.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  18. 18.🟦 An image is 290 pixels wide and 130 pixels tall. How many pixels does it have in all?
  19. 19.🟦 You shrink a 340 × 660 pixel image to half its width and half its height. How many pixels does it have now?
  20. 20.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
  21. 21.🟦 An image is 280 × 210 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  22. 22.🟦 An image is 480 × 360 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  23. 23.🟦 An image is 110 pixels wide and 30 pixels tall. How many pixels does it have in all?
  24. 24.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  25. 25.Which of these best fits 16:9? (a) an album cover (b) a square sticker (c) a phone story clip (d) a laptop film screen
  26. 26.🟦 A 4:3 video frame is 600 pixels wide. How many pixels tall is it?
  27. 27.🟦 An image is 390 pixels wide and 390 pixels tall. How many pixels does it have in all?
  28. 28.🟦 An image is 3680 × 2070 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
  29. 29.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  30. 30.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  31. 31.🟦 You shrink a 200 × 680 pixel image to half its width and half its height. How many pixels does it have now?
  32. 32.Which of these best fits 4:3? (a) a phone story clip (b) a laptop film screen (c) a widescreen slide (d) an older TV screen
  33. 33.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  34. 34.Which of these best fits 9:16? (a) an album cover (b) an upright phone screen (c) an old-style monitor (d) a widescreen slide
  35. 35.🟦 An image is 80 pixels wide and 160 pixels tall. How many pixels does it have in all?
  36. 36.🟦 A 16:9 video frame is 1920 pixels wide. How many pixels tall is it?
  37. 37.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  38. 38.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  39. 39.🟦 An image is 50 pixels wide and 190 pixels tall. How many pixels does it have in all?
  40. 40.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) sharper (d) exactly the same

Answer key

  1. 19200
  2. a tiny dot of colour
  3. 9
  4. a widescreen slide
  5. 94500
  6. 270
  7. 2080
  8. a square post
  9. 30000
  10. 920
  11. 640
  12. 2400
  13. a square sticker
  14. 3600
  15. blocky (pixelated)
  16. 115200
  17. 7
  18. 37700
  19. 56100
  20. 1:1
  21. 4:3
  22. 4:3
  23. 3300
  24. 7.5
  25. a laptop film screen
  26. 450
  27. 152100
  28. 16:9
  29. 1:1
  30. 6
  31. 34000
  32. an older TV screen
  33. 900
  34. an upright phone screen
  35. 12800
  36. 1080
  37. 18
  38. 4:3
  39. 9500
  40. squashed or wide

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