← Pixels and image size lesson New set →

Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 371 · 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 type of paper (c) a font size (d) a tiny dot of colour
  2. 2.🟦 You shrink a 240 × 300 pixel image to half its width and half its height. How many pixels does it have now?
  3. 3.🟦 An image is 760 × 570 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  4. 4.Which of these best fits 16:9? (a) a laptop film screen (b) an older TV screen (c) an album cover (d) a square sticker
  5. 5.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  6. 6.🟦 A 4:3 video frame is 920 pixels wide. How many pixels tall is it?
  7. 7.🟦 An image is 600 × 450 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
  8. 8.🟦 An image is 290 pixels wide and 200 pixels tall. How many pixels does it have in all?
  9. 9.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  10. 10.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  11. 11.🟦 An image is 370 pixels wide and 340 pixels tall. How many pixels does it have in all?
  12. 12.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  13. 13.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
  14. 14.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  15. 15.🟦 A 4:3 video frame is 270 pixels tall. How many pixels wide is it?
  16. 16.🟦 An image is 290 pixels wide and 320 pixels tall. How many pixels does it have in all?
  17. 17.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  18. 18.Which of these best fits 1:1? (a) an upright phone screen (b) a laptop film screen (c) a square profile picture (d) a widescreen TV
  19. 19.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
  20. 20.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) squashed or wide (d) exactly the same
  21. 21.🟦 You shrink a 260 × 600 pixel image to half its width and half its height. How many pixels does it have now?
  22. 22.🟦 You shrink a 360 × 300 pixel image to half its width and half its height. How many pixels does it have now?
  23. 23.🟦 You shrink a 400 × 140 pixel image to half its width and half its height. How many pixels does it have now?
  24. 24.🟦 An image is 360 × 240 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
  25. 25.🟦 An image is 60 pixels wide and 250 pixels tall. How many pixels does it have in all?
  26. 26.🟦 You shrink a 580 × 140 pixel image to half its width and half its height. How many pixels does it have now?
  27. 27.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  28. 28.🟦 A 16:9 frame is … (a) wider than it is tall (b) round (c) a perfect square (d) taller than wide
  29. 29.Which of these best fits 1:1? (a) a square sticker (b) a landscape video (c) an old-style monitor (d) a widescreen TV
  30. 30.🟦 An image is 70 pixels wide and 90 pixels tall. How many pixels does it have in all?
  31. 31.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
  32. 32.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  33. 33.🟦 You shrink a 240 × 580 pixel image to half its width and half its height. How many pixels does it have now?
  34. 34.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  36. 36.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  37. 37.Which of these best fits 4:3? (a) a square sticker (b) an upright phone screen (c) a widescreen slide (d) an old-style monitor
  38. 38.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  39. 39.🟦 An image is 210 × 210 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
  40. 40.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =

Answer key

  1. a tiny dot of colour
  2. 18000
  3. 4:3
  4. a laptop film screen
  5. 7.5
  6. 690
  7. 4:3
  8. 58000
  9. 9:16
  10. 1:1
  11. 125800
  12. 16:9
  13. 270
  14. 24
  15. 360
  16. 92800
  17. 10
  18. a square profile picture
  19. 9:16
  20. squashed or wide
  21. 39000
  22. 27000
  23. 14000
  24. 3:2
  25. 15000
  26. 20300
  27. 1200
  28. wider than it is tall
  29. a square sticker
  30. 6300
  31. 4:3
  32. 2400
  33. 34800
  34. 1050
  35. 450
  36. 16:9
  37. an old-style monitor
  38. 4:3
  39. 1:1
  40. 1

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