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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 148 · 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.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) sharper (c) more colourful (d) squashed or wide
  2. 2.🟦 An image is 600 × 450 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
  3. 3.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  4. 4.🟦 An image is 50 pixels wide and 220 pixels tall. How many pixels does it have in all?
  5. 5.Which of these best fits 16:9? (a) an older TV screen (b) a square post (c) an old-style monitor (d) a landscape video
  6. 6.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  7. 7.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  8. 8.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  9. 9.🟦 An image is 390 pixels wide and 400 pixels tall. How many pixels does it have in all?
  10. 10.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  11. 11.🟦 An image is 180 pixels wide and 220 pixels tall. How many pixels does it have in all?
  12. 12.🟦 A 4:3 video frame is 180 pixels tall. How many pixels wide is it?
  13. 13.🟦 An image is 310 pixels wide and 260 pixels tall. How many pixels does it have in all?
  14. 14.Which of these best fits 1:1? (a) a laptop film screen (b) a square sticker (c) a widescreen TV (d) a tall phone video
  15. 15.Which of these best fits 4:3? (a) a square profile picture (b) an upright phone screen (c) an old-style monitor (d) a tall phone video
  16. 16.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  17. 17.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) louder (c) blocky (pixelated) (d) longer
  18. 18.🟦 You shrink an 800 × 60 pixel image to half its width and half its height. How many pixels does it have now?
  19. 19.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  20. 20.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  21. 21.🟦 A 16:9 video frame is 960 pixels wide. How many pixels tall is it?
  22. 22.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) wider than it is tall (d) taller than wide
  23. 23.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  24. 24.🟦 An image is 1600 × 900 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  25. 25.🟦 An image is 50 pixels wide and 230 pixels tall. How many pixels does it have in all?
  26. 26.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  27. 27.Which of these best fits 1:1? (a) a classic tablet screen (b) a widescreen slide (c) a square profile picture (d) a widescreen TV
  28. 28.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  29. 29.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  30. 30.🟦 You shrink a 360 × 720 pixel image to half its width and half its height. How many pixels does it have now?
  31. 31.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  32. 32.Which of these best fits 4:3? (a) an older TV screen (b) a square post (c) a laptop film screen (d) a square profile picture
  33. 33.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  34. 34.🟦 You shrink a 340 × 260 pixel image to half its width and half its height. How many pixels does it have now?
  35. 35.🟦 You shrink a 320 × 780 pixel image to half its width and half its height. How many pixels does it have now?
  36. 36.Which of these best fits 9:16? (a) a widescreen TV (b) a square sticker (c) a square post (d) a phone story clip
  37. 37.🟦 The resolution of an image is … (a) the font (b) the paper colour (c) the file name (d) the number of pixels
  38. 38.Which of these best fits 1:1? (a) a square post (b) a widescreen TV (c) a phone story clip (d) a landscape video
  39. 39.🟦 An image is 880 × 660 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  40. 40.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1

Answer key

  1. squashed or wide
  2. 4:3
  3. 3
  4. 11000
  5. a landscape video
  6. 750
  7. 2400
  8. 14
  9. 156000
  10. 15
  11. 39600
  12. 240
  13. 80600
  14. a square sticker
  15. an old-style monitor
  16. 600
  17. blocky (pixelated)
  18. 12000
  19. 2.5
  20. 3
  21. 540
  22. wider than it is tall
  23. 1:1
  24. 16:9
  25. 11500
  26. 2
  27. a square profile picture
  28. 16:9
  29. 6
  30. 64800
  31. 3000
  32. an older TV screen
  33. 5
  34. 22100
  35. 62400
  36. a phone story clip
  37. the number of pixels
  38. a square post
  39. 4:3
  40. 1:1

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