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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 165 · 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) blocky (pixelated) (b) sharper (c) longer (d) louder
  2. 2.🟦 An image is 840 × 630 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
  3. 3.Which of these best fits 16:9? (a) a widescreen slide (b) a square post (c) a square sticker (d) an older TV screen
  4. 4.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  5. 5.🟦 You shrink a 520 × 300 pixel image to half its width and half its height. How many pixels does it have now?
  6. 6.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  7. 7.Which of these best fits 16:9? (a) a phone story clip (b) a tall phone video (c) an upright phone screen (d) a laptop film screen
  8. 8.🟦 You shrink a 200 × 220 pixel image to half its width and half its height. How many pixels does it have now?
  9. 9.🟦 A 4:3 video frame is 540 pixels tall. How many pixels wide is it?
  10. 10.🟦 You shrink a 360 × 440 pixel image to half its width and half its height. How many pixels does it have now?
  11. 11.🟦 An image is 40 pixels wide and 110 pixels tall. How many pixels does it have in all?
  12. 12.🟦 An image is 220 pixels wide and 310 pixels tall. How many pixels does it have in all?
  13. 13.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  14. 14.🟦 You shrink a 120 × 540 pixel image to half its width and half its height. How many pixels does it have now?
  15. 15.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the file name (d) the paper colour
  16. 16.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  17. 17.🟦 An image is 120 × 90 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  18. 18.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) squashed or wide (d) exactly the same
  19. 19.Which of these best fits 1:1? (a) an older TV screen (b) an upright phone screen (c) a square sticker (d) an old-style monitor
  20. 20.🟦 An image is 260 pixels wide and 20 pixels tall. How many pixels does it have in all?
  21. 21.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  22. 22.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  23. 23.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  24. 24.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  25. 25.Which of these best fits 4:3? (a) an upright phone screen (b) a square post (c) an old-style monitor (d) a widescreen slide
  26. 26.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
  27. 27.🟦 You shrink a 380 × 160 pixel image to half its width and half its height. How many pixels does it have now?
  28. 28.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
  29. 29.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) round (d) a perfect square
  30. 30.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  31. 31.🟦 An image is 300 pixels wide and 270 pixels tall. How many pixels does it have in all?
  32. 32.Which of these best fits 1:1? (a) a laptop film screen (b) an older TV screen (c) a square post (d) a classic tablet screen
  33. 33.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  34. 34.🟦 What is a pixel? (a) a type of paper (b) a tiny dot of colour (c) a sound (d) a font size
  35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  36. 36.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  37. 37.🟦 A 4:3 video frame is 840 pixels wide. How many pixels tall is it?
  38. 38.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  39. 39.Which of these best fits 9:16? (a) a widescreen slide (b) an upright phone screen (c) a widescreen TV (d) a square profile picture
  40. 40.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9

Answer key

  1. blocky (pixelated)
  2. 4:3
  3. a widescreen slide
  4. 16:9
  5. 39000
  6. 16
  7. a laptop film screen
  8. 11000
  9. 720
  10. 39600
  11. 4400
  12. 68200
  13. 12
  14. 16200
  15. the number of pixels
  16. 15
  17. 4:3
  18. squashed or wide
  19. a square sticker
  20. 5200
  21. 9:16
  22. 8
  23. 12
  24. 18
  25. an old-style monitor
  26. 1620
  27. 15200
  28. 1:1
  29. wider than it is tall
  30. 16:9
  31. 81000
  32. a square post
  33. 9:16
  34. a tiny dot of colour
  35. 1650
  36. 4.5
  37. 630
  38. 17.5
  39. an upright phone screen
  40. 16:9

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