← Pixels and image size lesson New set →

Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 825 · 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.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a tiny dot of colour (d) a font size
  2. 2.🟦 An image is 120 × 90 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  4. 4.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  5. 5.🟦 A 16:9 video frame is 2080 pixels wide. How many pixels tall is it?
  6. 6.🟦 The resolution of an image is … (a) the number of pixels (b) the file name (c) the paper colour (d) the font
  7. 7.Which of these best fits 4:3? (a) an upright phone screen (b) a widescreen slide (c) an old-style monitor (d) a laptop film screen
  8. 8.🟦 A 16:9 frame is … (a) round (b) wider than it is tall (c) taller than wide (d) a perfect square
  9. 9.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  10. 10.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) blocky (pixelated) (d) sharper
  11. 11.🟦 A 4:3 video frame is 300 pixels tall. How many pixels wide is it?
  12. 12.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
  13. 13.Which of these best fits 4:3? (a) a square profile picture (b) a square post (c) an older TV screen (d) a widescreen slide
  14. 14.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) more colourful (d) sharper
  15. 15.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  16. 16.🟦 An image is 270 pixels wide and 250 pixels tall. How many pixels does it have in all?
  17. 17.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  18. 18.Which of these best fits 1:1? (a) a widescreen slide (b) a laptop film screen (c) a square post (d) a phone story clip
  19. 19.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  21. 21.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  22. 22.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  23. 23.🟦 An image is 660 × 440 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
  24. 24.🟦 An image is 50 pixels wide and 60 pixels tall. How many pixels does it have in all?
  25. 25.Which of these best fits 1:1? (a) an album cover (b) a classic tablet screen (c) a tall phone video (d) a laptop film screen
  26. 26.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  27. 27.🟦 An image is 140 × 140 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
  28. 28.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  29. 29.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  30. 30.🟦 An image is 170 pixels wide and 390 pixels tall. How many pixels does it have in all?
  31. 31.🟦 You shrink a 620 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  32. 32.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  33. 33.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  34. 34.🟦 You shrink a 260 × 580 pixel image to half its width and half its height. How many pixels does it have now?
  35. 35.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  36. 36.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  37. 37.🟦 An image is 160 × 120 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
  38. 38.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  39. 39.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  40. 40.🟦 You shrink a 200 × 540 pixel image to half its width and half its height. How many pixels does it have now?

Answer key

  1. a tiny dot of colour
  2. 4:3
  3. 1350
  4. 12
  5. 1170
  6. the number of pixels
  7. an old-style monitor
  8. wider than it is tall
  9. 1:1
  10. blocky (pixelated)
  11. 400
  12. 9:16
  13. an older TV screen
  14. squashed or wide
  15. 6
  16. 67500
  17. 16:9
  18. a square post
  19. 900
  20. 1650
  21. 2100
  22. 1:1
  23. 3:2
  24. 3000
  25. an album cover
  26. 3
  27. 1:1
  28. 16:9
  29. 16
  30. 66300
  31. 31000
  32. 9:16
  33. 1200
  34. 37700
  35. 4:3
  36. 9:16
  37. 4:3
  38. 3
  39. 4:3
  40. 27000

Free animation and design lessons, practice and worksheets at talentjr.in/animation-for-kids