← Pixels and image size lesson New set →

Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 838 · 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 sound (b) a font size (c) a type of paper (d) a tiny dot of colour
  2. 2.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  3. 3.🟦 You shrink a 680 × 320 pixel image to half its width and half its height. How many pixels does it have now?
  4. 4.🟦 An image is 3680 × 2070 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
  5. 5.🟦 A 16:9 video frame is 900 pixels tall. How many pixels wide is it?
  6. 6.🟦 A 16:9 frame is … (a) wider than it is tall (b) a perfect square (c) taller than wide (d) round
  7. 7.Which of these best fits 9:16? (a) a square sticker (b) a widescreen slide (c) a phone story clip (d) an old-style monitor
  8. 8.🟦 You shrink a 520 × 180 pixel image to half its width and half its height. How many pixels does it have now?
  9. 9.🟦 A 16:9 video frame is 270 pixels tall. How many pixels wide is it?
  10. 10.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  11. 11.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  12. 12.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  13. 13.🟦 You shrink a 300 × 300 pixel image to half its width and half its height. How many pixels does it have now?
  14. 14.🟦 A 16:9 video frame is 450 pixels tall. How many pixels wide is it?
  15. 15.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) squashed or wide (d) sharper
  16. 16.🟦 An image is 380 pixels wide and 330 pixels tall. How many pixels does it have in all?
  17. 17.🟦 A 16:9 video frame is 3680 pixels wide. How many pixels tall is it?
  18. 18.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  19. 19.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  20. 20.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  21. 21.Which of these best fits 1:1? (a) a landscape video (b) an album cover (c) a classic tablet screen (d) an older TV screen
  22. 22.🟦 An image is 960 × 720 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  23. 23.🟦 A 16:9 video frame is 3040 pixels wide. How many pixels tall is it?
  24. 24.Which of these best fits 9:16? (a) a square sticker (b) a laptop film screen (c) an upright phone screen (d) an older TV screen
  25. 25.🟦 A 4:3 video frame is 760 pixels wide. How many pixels tall is it?
  26. 26.Which of these best fits 9:16? (a) a square profile picture (b) a widescreen slide (c) a tall phone video (d) a square sticker
  27. 27.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) sharper (d) blocky (pixelated)
  28. 28.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  29. 29.🟦 You shrink a 600 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  30. 30.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  31. 31.🟦 An image is 450 × 300 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
  32. 32.🟦 An image is 220 pixels wide and 120 pixels tall. How many pixels does it have in all?
  33. 33.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  34. 34.🟦 An image is 800 × 600 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
  35. 35.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  36. 36.🟦 You shrink a 120 × 680 pixel image to half its width and half its height. How many pixels does it have now?
  37. 37.🟦 A 16:9 video frame is 3360 pixels wide. How many pixels tall is it?
  38. 38.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  39. 39.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?

Answer key

  1. a tiny dot of colour
  2. 4:3
  3. 54400
  4. 16:9
  5. 1600
  6. wider than it is tall
  7. a phone story clip
  8. 23400
  9. 480
  10. 21
  11. 7.5
  12. 2700
  13. 22500
  14. 800
  15. squashed or wide
  16. 125400
  17. 2070
  18. 4:3
  19. 14
  20. 16:9
  21. an album cover
  22. 4:3
  23. 1710
  24. an upright phone screen
  25. 570
  26. a tall phone video
  27. blocky (pixelated)
  28. 18
  29. 30000
  30. 2400
  31. 3:2
  32. 26400
  33. 9:16
  34. 4:3
  35. 16:9
  36. 20400
  37. 1890
  38. 16:9
  39. 2
  40. 750

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