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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 917 · 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 video frame is 1760 pixels wide. How many pixels tall is it?
  2. 2.🟦 A 4:3 video frame is 640 pixels wide. How many pixels tall is it?
  3. 3.🟦 You shrink a 600 × 520 pixel image to half its width and half its height. How many pixels does it have now?
  4. 4.🟦 An image is 150 × 150 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
  5. 5.🟦 An image is 160 pixels wide and 250 pixels tall. How many pixels does it have in all?
  6. 6.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) sharper (d) blocky (pixelated)
  7. 7.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  8. 8.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  9. 9.🟦 An image is 370 pixels wide and 80 pixels tall. How many pixels does it have in all?
  10. 10.🟦 An image is 120 × 80 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  11. 11.🟦 An image is 350 pixels wide and 360 pixels tall. How many pixels does it have in all?
  12. 12.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  13. 13.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a type of paper (d) a sound
  14. 14.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  15. 15.Which of these best fits 1:1? (a) a laptop film screen (b) a widescreen TV (c) an older TV screen (d) a square sticker
  16. 16.🟦 A 4:3 video frame is 570 pixels tall. How many pixels wide is it?
  17. 17.Which of these best fits 9:16? (a) a square sticker (b) a classic tablet screen (c) an upright phone screen (d) a widescreen TV
  18. 18.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the number of pixels (d) the font
  19. 19.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  20. 20.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) sharper (d) squashed or wide
  21. 21.🟦 An image is 240 pixels wide and 350 pixels tall. How many pixels does it have in all?
  22. 22.Which of these best fits 16:9? (a) an older TV screen (b) a square profile picture (c) a landscape video (d) an old-style monitor
  23. 23.Which of these best fits 1:1? (a) a square profile picture (b) an old-style monitor (c) a tall phone video (d) a landscape video
  24. 24.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  25. 25.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  26. 26.Which of these best fits 1:1? (a) a tall phone video (b) a square post (c) an older TV screen (d) a widescreen TV
  27. 27.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  28. 28.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  29. 29.🟦 A 16:9 frame is … (a) wider than it is tall (b) a perfect square (c) round (d) taller than wide
  30. 30.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  31. 31.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  32. 32.🟦 An image is 180 × 120 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
  33. 33.🟦 An image is 380 pixels wide and 60 pixels tall. How many pixels does it have in all?
  34. 34.🟦 A 4:3 video frame is 760 pixels wide. How many pixels tall is it?
  35. 35.Which of these best fits 4:3? (a) an upright phone screen (b) an album cover (c) a square sticker (d) an older TV screen
  36. 36.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  37. 37.Which of these best fits 1:1? (a) a landscape video (b) an album cover (c) an older TV screen (d) a phone story clip
  38. 38.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  39. 39.🟦 You shrink a 160 × 600 pixel image to half its width and half its height. How many pixels does it have now?
  40. 40.🟦 A 16:9 video frame is 1280 pixels wide. How many pixels tall is it?

Answer key

  1. 990
  2. 480
  3. 78000
  4. 1:1
  5. 40000
  6. blocky (pixelated)
  7. 1:1
  8. 4:3
  9. 29600
  10. 3:2
  11. 126000
  12. 2.5
  13. a tiny dot of colour
  14. 900
  15. a square sticker
  16. 760
  17. an upright phone screen
  18. the number of pixels
  19. 16:9
  20. squashed or wide
  21. 84000
  22. a landscape video
  23. a square profile picture
  24. 7.5
  25. 16
  26. a square post
  27. 1:1
  28. 4:3
  29. wider than it is tall
  30. 2
  31. 10.5
  32. 3:2
  33. 22800
  34. 570
  35. an older TV screen
  36. 16:9
  37. an album cover
  38. 9:16
  39. 24000
  40. 720

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