← Pixels and image size lesson New set →

Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 778 · 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 font size (c) a sound (d) a tiny dot of colour
  2. 2.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  3. 3.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  4. 4.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) round (d) a perfect square
  5. 5.🟦 A 16:9 video frame is 3680 pixels wide. How many pixels tall is it?
  6. 6.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  7. 7.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  8. 8.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  9. 9.🟦 An image is 290 pixels wide and 140 pixels tall. How many pixels does it have in all?
  10. 10.🟦 An image is 20 pixels wide and 210 pixels tall. How many pixels does it have in all?
  11. 11.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  12. 12.🟦 You shrink a 780 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  13. 13.🟦 Which aspect ratio best fits a classic tablet screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  14. 14.🟦 An image is 190 pixels wide and 270 pixels tall. How many pixels does it have in all?
  15. 15.🟦 You shrink an 800 × 380 pixel image to half its width and half its height. How many pixels does it have now?
  16. 16.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  17. 17.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) exactly the same (c) more colourful (d) sharper
  18. 18.🟦 An image is 100 pixels wide and 260 pixels tall. How many pixels does it have in all?
  19. 19.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  20. 20.🟦 A 16:9 video frame is 1530 pixels tall. How many pixels wide is it?
  21. 21.Which of these best fits 9:16? (a) an upright phone screen (b) a square profile picture (c) a square sticker (d) a widescreen slide
  22. 22.🟦 A 4:3 video frame is 400 pixels wide. How many pixels tall is it?
  23. 23.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  24. 24.🟦 An image is 190 pixels wide and 70 pixels tall. How many pixels does it have in all?
  25. 25.🟦 You shrink a 360 × 380 pixel image to half its width and half its height. How many pixels does it have now?
  26. 26.🟦 An image is 300 pixels wide and 370 pixels tall. How many pixels does it have in all?
  27. 27.🟦 An image is 170 × 170 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  28. 28.🟦 An image is 270 pixels wide and 60 pixels tall. How many pixels does it have in all?
  29. 29.Which of these best fits 1:1? (a) a square profile picture (b) a landscape video (c) a tall phone video (d) a phone story clip
  30. 30.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  31. 31.Which of these best fits 4:3? (a) an old-style monitor (b) a landscape video (c) a laptop film screen (d) an album cover
  32. 32.Which of these best fits 16:9? (a) an older TV screen (b) a classic tablet screen (c) a widescreen slide (d) a square profile picture
  33. 33.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  34. 34.Which of these best fits 4:3? (a) a phone story clip (b) a square post (c) a square sticker (d) a classic tablet screen
  35. 35.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  36. 36.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  37. 37.🟦 An image is 260 pixels wide and 300 pixels tall. How many pixels does it have in all?
  38. 38.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  39. 39.Which of these best fits 1:1? (a) an album cover (b) an old-style monitor (c) a classic tablet screen (d) an older TV screen
  40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?

Answer key

  1. a tiny dot of colour
  2. 12
  3. 16:9
  4. wider than it is tall
  5. 2070
  6. 4
  7. 2.5
  8. 1200
  9. 40600
  10. 4200
  11. 1350
  12. 39000
  13. 4:3
  14. 51300
  15. 76000
  16. 3
  17. squashed or wide
  18. 26000
  19. 16:9
  20. 2720
  21. an upright phone screen
  22. 300
  23. 1500
  24. 13300
  25. 34200
  26. 111000
  27. 1:1
  28. 16200
  29. a square profile picture
  30. 900
  31. an old-style monitor
  32. a widescreen slide
  33. 16:9
  34. a classic tablet screen
  35. 4.5
  36. 1:1
  37. 78000
  38. 1:1
  39. an album cover
  40. 300

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