← Pixels and image size lesson New set →

Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 812 · 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.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  2. 2.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  3. 3.🟦 You shrink a 380 × 260 pixel image to half its width and half its height. How many pixels does it have now?
  4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) sharper (d) louder
  5. 5.🟦 A 4:3 video frame is 400 pixels wide. How many pixels tall is it?
  6. 6.🟦 An image is 130 pixels wide and 150 pixels tall. How many pixels does it have in all?
  7. 7.🟦 What is a pixel? (a) a tiny dot of colour (b) a type of paper (c) a sound (d) a font size
  8. 8.🟦 You shrink a 720 × 800 pixel image to half its width and half its height. How many pixels does it have now?
  9. 9.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  10. 10.Which of these best fits 4:3? (a) an old-style monitor (b) a square post (c) a widescreen slide (d) a widescreen TV
  11. 11.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the file name (d) the font
  12. 12.Which of these best fits 4:3? (a) a square profile picture (b) an album cover (c) an older TV screen (d) a widescreen slide
  13. 13.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  14. 14.Which of these best fits 1:1? (a) a laptop film screen (b) a tall phone video (c) a landscape video (d) a square profile picture
  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 16:9 frame is … (a) round (b) a perfect square (c) wider than it is tall (d) taller than wide
  17. 17.Which of these best fits 16:9? (a) a laptop film screen (b) an upright phone screen (c) a square profile picture (d) a classic tablet screen
  18. 18.🟦 An image is 260 pixels wide and 270 pixels tall. How many pixels does it have in all?
  19. 19.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  20. 20.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  21. 21.Which of these best fits 9:16? (a) a tall phone video (b) a widescreen TV (c) a classic tablet screen (d) an old-style monitor
  22. 22.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  23. 23.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
  24. 24.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  25. 25.🟦 You shrink an 80 × 160 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 3840 pixels wide. How many pixels tall is it?
  27. 27.Which of these best fits 9:16? (a) a widescreen TV (b) an older TV screen (c) a phone story clip (d) a square post
  28. 28.Which of these best fits 16:9? (a) an older TV screen (b) a landscape video (c) an upright phone screen (d) a square profile picture
  29. 29.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  30. 30.🟦 An image is 50 pixels wide and 320 pixels tall. How many pixels does it have in all?
  31. 31.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  32. 32.🟦 You shrink a 480 × 720 pixel image to half its width and half its height. How many pixels does it have now?
  33. 33.🟦 You shrink a 740 × 320 pixel image to half its width and half its height. How many pixels does it have now?
  34. 34.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  35. 35.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  36. 36.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  37. 37.🟦 You shrink a 140 × 380 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.🟦 You shrink a 560 × 460 pixel image to half its width and half its height. How many pixels does it have now?
  39. 39.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) sharper (d) exactly the same
  40. 40.🟦 You shrink a 180 × 800 pixel image to half its width and half its height. How many pixels does it have now?

Answer key

  1. 3000
  2. 4:3
  3. 24700
  4. blocky (pixelated)
  5. 300
  6. 19500
  7. a tiny dot of colour
  8. 144000
  9. 2100
  10. an old-style monitor
  11. the number of pixels
  12. an older TV screen
  13. 9:16
  14. a square profile picture
  15. 600
  16. wider than it is tall
  17. a laptop film screen
  18. 70200
  19. 7.5
  20. 6
  21. a tall phone video
  22. 1500
  23. 9:16
  24. 24
  25. 3200
  26. 2160
  27. a phone story clip
  28. a landscape video
  29. 4
  30. 16000
  31. 1:1
  32. 86400
  33. 59200
  34. 4:3
  35. 16
  36. 3600
  37. 13300
  38. 64400
  39. squashed or wide
  40. 36000

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