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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 702 · 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.🟦 A 16:9 video frame is 720 pixels tall. How many pixels wide is it?
  2. 2.🟦 What is a pixel? (a) a font size (b) a tiny dot of colour (c) a type of paper (d) a sound
  3. 3.🟦 An image is 150 pixels wide and 70 pixels tall. How many pixels does it have in all?
  4. 4.🟦 An image is 320 pixels wide and 60 pixels tall. How many pixels does it have in all?
  5. 5.🟦 An image is 3840 × 2160 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  6. 6.Which of these best fits 4:3? (a) a classic tablet screen (b) a square sticker (c) a square post (d) a phone story clip
  7. 7.Which of these best fits 9:16? (a) an older TV screen (b) a square sticker (c) a square profile picture (d) a phone story clip
  8. 8.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  9. 9.Which of these best fits 9:16? (a) an older TV screen (b) a widescreen TV (c) a landscape video (d) a tall phone video
  10. 10.🟦 An image is 90 pixels wide and 370 pixels tall. How many pixels does it have in all?
  11. 11.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  12. 12.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  13. 13.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  14. 14.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  15. 15.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) blocky (pixelated) (d) sharper
  16. 16.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  17. 17.Which of these best fits 1:1? (a) a square profile picture (b) an old-style monitor (c) a landscape video (d) a phone story clip
  18. 18.🟦 An image is 300 pixels wide and 230 pixels tall. How many pixels does it have in all?
  19. 19.🟦 A 16:9 video frame is 3200 pixels wide. How many pixels tall is it?
  20. 20.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) exactly the same (d) more colourful
  21. 21.Which of these best fits 16:9? (a) a phone story clip (b) a laptop film screen (c) a tall phone video (d) a square profile picture
  22. 22.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  23. 23.🟦 A 16:9 video frame is 180 pixels tall. How many pixels wide is it?
  24. 24.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  25. 25.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  26. 26.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  27. 27.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  28. 28.🟦 An image is 120 × 80 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  29. 29.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
  30. 30.🟦 You shrink a 740 × 220 pixel image to half its width and half its height. How many pixels does it have now?
  31. 31.🟦 You shrink a 520 × 640 pixel image to half its width and half its height. How many pixels does it have now?
  32. 32.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  33. 33.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  34. 34.Which of these best fits 1:1? (a) a classic tablet screen (b) a widescreen slide (c) an older TV screen (d) a square sticker
  35. 35.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  36. 36.🟦 An image is 1760 × 990 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
  37. 37.Which of these best fits 16:9? (a) an older TV screen (b) a square sticker (c) a landscape video (d) a square post
  38. 38.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  39. 39.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  40. 40.🟦 An image is 30 × 20 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9

Answer key

  1. 1280
  2. a tiny dot of colour
  3. 10500
  4. 19200
  5. 16:9
  6. a classic tablet screen
  7. a phone story clip
  8. 5
  9. a tall phone video
  10. 33300
  11. 3
  12. 450
  13. 4
  14. 600
  15. blocky (pixelated)
  16. 16:9
  17. a square profile picture
  18. 69000
  19. 1800
  20. squashed or wide
  21. a laptop film screen
  22. 6
  23. 320
  24. 600
  25. 1:1
  26. 16:9
  27. 18
  28. 3:2
  29. 640
  30. 40700
  31. 83200
  32. 4
  33. 9:16
  34. a square sticker
  35. 7.5
  36. 16:9
  37. a landscape video
  38. 4:3
  39. 12
  40. 3:2

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