← Pixels and image size lesson New set →

Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 279 · 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.🟦 You shrink a 440 × 280 pixel image to half its width and half its height. How many pixels does it have now?
  2. 2.🟦 An image is 160 pixels wide and 40 pixels tall. How many pixels does it have in all?
  3. 3.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) round (d) wider than it is tall
  4. 4.🟦 A 16:9 video frame is 3680 pixels wide. How many pixels tall is it?
  5. 5.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) longer (d) blocky (pixelated)
  6. 6.Which of these best fits 16:9? (a) a landscape video (b) an album cover (c) an upright phone screen (d) a classic tablet screen
  7. 7.🟦 You shrink a 340 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  8. 8.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a sound (d) a tiny dot of colour
  9. 9.🟦 The resolution of an image is … (a) the paper colour (b) the number of pixels (c) the file name (d) the font
  10. 10.🟦 An image is 480 × 320 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  11. 11.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  12. 12.🟦 An image is 3200 × 1800 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  13. 13.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  14. 14.🟦 You shrink a 700 × 640 pixel image to half its width and half its height. How many pixels does it have now?
  15. 15.🟦 A 16:9 video frame is 990 pixels tall. How many pixels wide is it?
  16. 16.🟦 You shrink a 40 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  17. 17.🟦 An image is 90 × 90 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
  18. 18.Which of these best fits 9:16? (a) an older TV screen (b) a widescreen TV (c) a classic tablet screen (d) an upright phone screen
  19. 19.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  20. 20.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
  21. 21.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  22. 22.🟦 You shrink a 440 × 460 pixel image to half its width and half its height. How many pixels does it have now?
  23. 23.🟦 An image is 400 × 300 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
  24. 24.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  25. 25.🟦 You shrink a 720 × 320 pixel image to half its width and half its height. How many pixels does it have now?
  26. 26.🟦 An image is 150 pixels wide and 310 pixels tall. How many pixels does it have in all?
  27. 27.🟦 A 4:3 video frame is 880 pixels wide. How many pixels tall is it?
  28. 28.Which of these best fits 4:3? (a) an old-style monitor (b) a square sticker (c) an album cover (d) a landscape video
  29. 29.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  30. 30.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  31. 31.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  32. 32.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  33. 33.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  34. 34.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  35. 35.🟦 An image is 150 × 150 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
  36. 36.Which of these best fits 1:1? (a) a widescreen slide (b) a square post (c) a phone story clip (d) a tall phone video
  37. 37.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  38. 38.🟦 An image is 380 pixels wide and 60 pixels tall. How many pixels does it have in all?
  39. 39.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  40. 40.🟦 You shrink a 260 × 300 pixel image to half its width and half its height. How many pixels does it have now?

Answer key

  1. 30800
  2. 6400
  3. wider than it is tall
  4. 2070
  5. blocky (pixelated)
  6. a landscape video
  7. 17000
  8. a tiny dot of colour
  9. the number of pixels
  10. 3:2
  11. 9:16
  12. 16:9
  13. 16:9
  14. 112000
  15. 1760
  16. 2000
  17. 1:1
  18. an upright phone screen
  19. 16
  20. 4:3
  21. 8
  22. 50600
  23. 4:3
  24. 3300
  25. 57600
  26. 46500
  27. 660
  28. an old-style monitor
  29. 9:16
  30. 1
  31. 3
  32. 4:3
  33. 9:16
  34. 7.5
  35. 1:1
  36. a square post
  37. 1:1
  38. 22800
  39. 4:3
  40. 19500

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