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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 252 · 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.🟦 A 16:9 frame is … (a) round (b) wider than it is tall (c) a perfect square (d) taller than wide
  2. 2.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  3. 3.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) sharper (d) blocky (pixelated)
  4. 4.🟦 You shrink a 40 × 40 pixel image to half its width and half its height. How many pixels does it have now?
  5. 5.🟦 An image is 20 pixels wide and 80 pixels tall. How many pixels does it have in all?
  6. 6.🟦 You shrink a 200 × 500 pixel image to half its width and half its height. How many pixels does it have now?
  7. 7.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  8. 8.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  9. 9.🟦 You shrink a 500 × 520 pixel image to half its width and half its height. How many pixels does it have now?
  10. 10.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  11. 11.🟦 An image is 2240 × 1260 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  12. 12.🟦 An image is 320 × 240 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
  13. 13.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  14. 14.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  15. 15.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  16. 16.🟦 A 16:9 video frame is 1080 pixels tall. How many pixels wide is it?
  17. 17.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  18. 18.🟦 An image is 320 pixels wide and 50 pixels tall. How many pixels does it have in all?
  19. 19.🟦 A 4:3 video frame is 240 pixels wide. How many pixels tall is it?
  20. 20.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a sound (d) a type of paper
  21. 21.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  22. 22.🟦 A 4:3 video frame is 520 pixels wide. How many pixels tall is it?
  23. 23.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  24. 24.🟦 A 4:3 video frame is 920 pixels wide. How many pixels tall is it?
  25. 25.Which of these best fits 4:3? (a) a square post (b) a widescreen slide (c) a widescreen TV (d) a classic tablet screen
  26. 26.🟦 An image is 100 × 100 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
  27. 27.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  28. 28.🟦 An image is 390 pixels wide and 190 pixels tall. How many pixels does it have in all?
  29. 29.🟦 The resolution of an image is … (a) the file name (b) the font (c) the number of pixels (d) the paper colour
  30. 30.🟦 A 4:3 video frame is 90 pixels tall. How many pixels wide is it?
  31. 31.🟦 An image is 80 pixels wide and 210 pixels tall. How many pixels does it have in all?
  32. 32.Which of these best fits 4:3? (a) a phone story clip (b) an older TV screen (c) a laptop film screen (d) a widescreen slide
  33. 33.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  34. 34.🟦 An image is 160 pixels wide and 140 pixels tall. How many pixels does it have in all?
  35. 35.🟦 You shrink a 200 × 560 pixel image to half its width and half its height. How many pixels does it have now?
  36. 36.🟦 A 4:3 video frame is 420 pixels tall. How many pixels wide is it?
  37. 37.Which of these best fits 1:1? (a) an upright phone screen (b) a classic tablet screen (c) a widescreen slide (d) a square sticker
  38. 38.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) exactly the same (d) more colourful
  39. 39.🟦 An image is 340 pixels wide and 300 pixels tall. How many pixels does it have in all?
  40. 40.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

Answer key

  1. wider than it is tall
  2. 16:9
  3. blocky (pixelated)
  4. 400
  5. 1600
  6. 25000
  7. 1:1
  8. 16:9
  9. 65000
  10. 2
  11. 16:9
  12. 4:3
  13. 4:3
  14. 900
  15. 9:16
  16. 1920
  17. 3600
  18. 16000
  19. 180
  20. a tiny dot of colour
  21. 1:1
  22. 390
  23. 4
  24. 690
  25. a classic tablet screen
  26. 1:1
  27. 4:3
  28. 74100
  29. the number of pixels
  30. 120
  31. 16800
  32. an older TV screen
  33. 2.5
  34. 22400
  35. 28000
  36. 560
  37. a square sticker
  38. squashed or wide
  39. 102000
  40. 4

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