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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 194 · 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.Which of these best fits 1:1? (a) a widescreen slide (b) a classic tablet screen (c) an older TV screen (d) a square post
  2. 2.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
  3. 3.🟦 An image is 300 pixels wide and 270 pixels tall. How many pixels does it have in all?
  4. 4.🟦 What is a pixel? (a) a font size (b) a tiny dot of colour (c) a type of paper (d) a sound
  5. 5.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  6. 6.🟦 An image is 230 pixels wide and 290 pixels tall. How many pixels does it have in all?
  7. 7.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  8. 8.Which of these best fits 4:3? (a) a square sticker (b) a widescreen TV (c) an old-style monitor (d) a square profile picture
  9. 9.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  10. 10.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  11. 11.Which of these best fits 4:3? (a) a phone story clip (b) a square profile picture (c) an upright phone screen (d) an older TV screen
  12. 12.Which of these best fits 16:9? (a) an old-style monitor (b) a square sticker (c) a landscape video (d) a classic tablet screen
  13. 13.Which of these best fits 1:1? (a) a widescreen slide (b) an upright phone screen (c) a widescreen TV (d) an album cover
  14. 14.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  15. 15.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  16. 16.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  17. 17.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
  18. 18.🟦 An image is 1440 × 810 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
  19. 19.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  20. 20.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  21. 21.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) sharper (d) exactly the same
  22. 22.🟦 Which aspect ratio best fits a widescreen slide? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  23. 23.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  24. 24.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  25. 25.🟦 You shrink a 320 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  26. 26.🟦 A 16:9 video frame is 450 pixels tall. How many pixels wide is it?
  27. 27.🟦 An image is 190 pixels wide and 310 pixels tall. How many pixels does it have in all?
  28. 28.🟦 An image is 120 pixels wide and 30 pixels tall. How many pixels does it have in all?
  29. 29.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) longer (d) blocky (pixelated)
  30. 30.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  31. 31.🟦 You shrink a 660 × 520 pixel image to half its width and half its height. How many pixels does it have now?
  32. 32.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the number of pixels (d) the font
  33. 33.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  34. 34.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  36. 36.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  37. 37.Which of these best fits 16:9? (a) a square sticker (b) an upright phone screen (c) a phone story clip (d) a widescreen TV
  38. 38.🟦 You shrink a 240 × 380 pixel image to half its width and half its height. How many pixels does it have now?
  39. 39.🟦 You shrink a 160 × 620 pixel image to half its width and half its height. How many pixels does it have now?
  40. 40.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?

Answer key

  1. a square post
  2. 640
  3. 81000
  4. a tiny dot of colour
  5. 7.5
  6. 66700
  7. 3
  8. an old-style monitor
  9. 21
  10. 1500
  11. an older TV screen
  12. a landscape video
  13. an album cover
  14. 4:3
  15. 600
  16. 1.5
  17. 16:9
  18. 16:9
  19. 450
  20. 4:3
  21. squashed or wide
  22. 16:9
  23. 10.5
  24. 16:9
  25. 16000
  26. 800
  27. 58900
  28. 3600
  29. blocky (pixelated)
  30. 14
  31. 85800
  32. the number of pixels
  33. 4:3
  34. 7
  35. 1200
  36. 1:1
  37. a widescreen TV
  38. 22800
  39. 24800
  40. 2400

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