← Pixels and image size lesson New set →

Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 235 · 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 4:3? (a) a classic tablet screen (b) a landscape video (c) an upright phone screen (d) a widescreen slide
  2. 2.🟦 An image is 20 pixels wide and 120 pixels tall. How many pixels does it have in all?
  3. 3.Which of these best fits 16:9? (a) a widescreen TV (b) an older TV screen (c) a square profile picture (d) a square post
  4. 4.Which of these best fits 4:3? (a) an old-style monitor (b) a landscape video (c) a widescreen slide (d) a laptop film screen
  5. 5.🟦 A 4:3 video frame is 720 pixels wide. How many pixels tall is it?
  6. 6.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) longer (d) blocky (pixelated)
  7. 7.Which of these best fits 1:1? (a) a classic tablet screen (b) a widescreen slide (c) a square sticker (d) a landscape video
  8. 8.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) exactly the same (d) sharper
  9. 9.🟦 You shrink a 120 × 500 pixel image to half its width and half its height. How many pixels does it have now?
  10. 10.🟦 You shrink a 420 × 720 pixel image to half its width and half its height. How many pixels does it have now?
  11. 11.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  12. 12.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a sound (d) a tiny dot of colour
  13. 13.🟦 An image is 3840 × 2160 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  14. 14.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  15. 15.🟦 You shrink a 100 × 660 pixel image to half its width and half its height. How many pixels does it have now?
  16. 16.🟦 An image is 40 × 30 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
  17. 17.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  18. 18.🟦 A 4:3 video frame is 440 pixels wide. How many pixels tall is it?
  19. 19.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) round (d) wider than it is tall
  20. 20.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  21. 21.🟦 An image is 50 pixels wide and 150 pixels tall. How many pixels does it have in all?
  22. 22.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  23. 23.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  24. 24.🟦 An image is 180 pixels wide and 100 pixels tall. How many pixels does it have in all?
  25. 25.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  26. 26.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  27. 27.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  28. 28.🟦 You shrink a 720 × 540 pixel image to half its width and half its height. How many pixels does it have now?
  29. 29.🟦 A 4:3 video frame is 520 pixels wide. How many pixels tall is it?
  30. 30.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  31. 31.🟦 An image is 270 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
  32. 32.🟦 An image is 230 pixels wide and 140 pixels tall. How many pixels does it have in all?
  33. 33.🟦 An image is 20 pixels wide and 80 pixels tall. How many pixels does it have in all?
  34. 34.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  35. 35.🟦 A 16:9 video frame is 1890 pixels tall. How many pixels wide is it?
  36. 36.Which of these best fits 9:16? (a) a widescreen TV (b) a classic tablet screen (c) an upright phone screen (d) a square sticker
  37. 37.🟦 You shrink an 80 × 300 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.Which of these best fits 1:1? (a) an album cover (b) a laptop film screen (c) a widescreen slide (d) an older TV screen
  39. 39.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
  40. 40.🟦 An image is 230 × 230 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3

Answer key

  1. a classic tablet screen
  2. 2400
  3. a widescreen TV
  4. an old-style monitor
  5. 540
  6. blocky (pixelated)
  7. a square sticker
  8. squashed or wide
  9. 15000
  10. 75600
  11. 1:1
  12. a tiny dot of colour
  13. 16:9
  14. 21
  15. 16500
  16. 4:3
  17. 2100
  18. 330
  19. wider than it is tall
  20. 6
  21. 7500
  22. 16:9
  23. 6
  24. 18000
  25. 16:9
  26. 1200
  27. 10
  28. 97200
  29. 390
  30. 16:9
  31. 3:2
  32. 32200
  33. 1600
  34. 1050
  35. 3360
  36. an upright phone screen
  37. 6000
  38. an album cover
  39. 4:3
  40. 1:1

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