← Pixels and image size lesson New set →

Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 533 · 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 tiny dot of colour (c) a font size (d) a sound
  2. 2.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  3. 3.Which of these best fits 1:1? (a) a tall phone video (b) a classic tablet screen (c) a laptop film screen (d) a square profile picture
  4. 4.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  5. 5.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  6. 6.🟦 An image is 210 pixels wide and 190 pixels tall. How many pixels does it have in all?
  7. 7.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  8. 8.🟦 An image is 200 × 200 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  9. 9.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  10. 10.🟦 An image is 240 × 180 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  11. 11.🟦 An image is 370 pixels wide and 340 pixels tall. How many pixels does it have in all?
  12. 12.🟦 An image is 150 × 100 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
  13. 13.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  14. 14.🟦 A 4:3 video frame is 800 pixels wide. How many pixels tall is it?
  15. 15.🟦 You shrink a 140 × 800 pixel image to half its width and half its height. How many pixels does it have now?
  16. 16.Which of these best fits 4:3? (a) a landscape video (b) a widescreen slide (c) a classic tablet screen (d) a tall phone video
  17. 17.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  18. 18.🟦 You shrink a 760 × 540 pixel image to half its width and half its height. How many pixels does it have now?
  19. 19.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
  20. 20.🟦 An image is 40 pixels wide and 150 pixels tall. How many pixels does it have in all?
  21. 21.🟦 A 16:9 video frame is 960 pixels wide. How many pixels tall is it?
  22. 22.🟦 An image is 210 pixels wide and 80 pixels tall. How many pixels does it have in all?
  23. 23.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  24. 24.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  25. 25.🟦 An image is 270 pixels wide and 360 pixels tall. How many pixels does it have in all?
  26. 26.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  27. 27.Which of these best fits 4:3? (a) an older TV screen (b) a widescreen slide (c) a widescreen TV (d) a phone story clip
  28. 28.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  29. 29.🟦 A 16:9 video frame is 3200 pixels wide. How many pixels tall is it?
  30. 30.Which of these best fits 16:9? (a) a phone story clip (b) an upright phone screen (c) a square sticker (d) a widescreen TV
  31. 31.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  32. 32.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  33. 33.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) sharper (d) exactly the same
  34. 34.🟦 A 4:3 video frame is 720 pixels tall. How many pixels wide is it?
  35. 35.Which of these best fits 16:9? (a) a widescreen slide (b) an old-style monitor (c) an older TV screen (d) a square sticker
  36. 36.🟦 You shrink a 240 × 480 pixel image to half its width and half its height. How many pixels does it have now?
  37. 37.🟦 An image is 280 pixels wide and 150 pixels tall. How many pixels does it have in all?
  38. 38.🟦 The resolution of an image is … (a) the number of pixels (b) the font (c) the file name (d) the paper colour
  39. 39.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  40. 40.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?

Answer key

  1. a tiny dot of colour
  2. 15
  3. a square profile picture
  4. 9:16
  5. 9:16
  6. 39900
  7. 1:1
  8. 1:1
  9. 1500
  10. 4:3
  11. 125800
  12. 3:2
  13. 9:16
  14. 600
  15. 28000
  16. a classic tablet screen
  17. 4:3
  18. 102600
  19. 3600
  20. 6000
  21. 540
  22. 16800
  23. 1:1
  24. 1:1
  25. 97200
  26. 16:9
  27. an older TV screen
  28. 1350
  29. 1800
  30. a widescreen TV
  31. 6
  32. 7
  33. squashed or wide
  34. 960
  35. a widescreen slide
  36. 28800
  37. 42000
  38. the number of pixels
  39. 1:1
  40. 1800

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