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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 878 · 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 photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  2. 2.Which of these best fits 9:16? (a) a square sticker (b) a landscape video (c) a classic tablet screen (d) a phone story clip
  3. 3.🟦 An image is 340 pixels wide and 200 pixels tall. How many pixels does it have in all?
  4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) longer (d) blocky (pixelated)
  5. 5.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  6. 6.🟦 You shrink a 280 × 240 pixel image to half its width and half its height. How many pixels does it have now?
  7. 7.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  8. 8.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  9. 9.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
  10. 10.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  11. 11.🟦 An image is 180 pixels wide and 310 pixels tall. How many pixels does it have in all?
  12. 12.🟦 An image is 840 × 630 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
  13. 13.🟦 A photo is 6000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  14. 14.🟦 What is a pixel? (a) a type of paper (b) a tiny dot of colour (c) a font size (d) a sound
  15. 15.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  16. 16.🟦 You shrink a 60 × 560 pixel image to half its width and half its height. How many pixels does it have now?
  17. 17.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  18. 18.🟦 A 4:3 video frame is 210 pixels tall. How many pixels wide is it?
  19. 19.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) taller than wide (d) wider than it is tall
  20. 20.🟦 An image is 350 pixels wide and 140 pixels tall. How many pixels does it have in all?
  21. 21.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  22. 22.Which of these best fits 16:9? (a) an older TV screen (b) a widescreen slide (c) an upright phone screen (d) a square profile picture
  23. 23.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  24. 24.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  25. 25.Which of these best fits 4:3? (a) an album cover (b) a square sticker (c) an old-style monitor (d) a square profile picture
  26. 26.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  27. 27.🟦 A 16:9 video frame is 2560 pixels wide. How many pixels tall is it?
  28. 28.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  29. 29.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the font (d) the number of pixels
  30. 30.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  31. 31.Which of these best fits 16:9? (a) an upright phone screen (b) a square sticker (c) a tall phone video (d) a widescreen TV
  32. 32.🟦 An image is 350 pixels wide and 60 pixels tall. How many pixels does it have in all?
  33. 33.Which of these best fits 1:1? (a) an older TV screen (b) a widescreen TV (c) a square post (d) an old-style monitor
  34. 34.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  35. 35.🟦 An image is 110 pixels wide and 110 pixels tall. How many pixels does it have in all?
  36. 36.Which of these best fits 9:16? (a) an upright phone screen (b) a widescreen TV (c) a square profile picture (d) an album cover
  37. 37.🟦 An image is 30 pixels wide and 380 pixels tall. How many pixels does it have in all?
  38. 38.🟦 An image is 690 × 460 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
  39. 39.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?

Answer key

  1. 15
  2. a phone story clip
  3. 68000
  4. blocky (pixelated)
  5. 1:1
  6. 16800
  7. 1
  8. 16:9
  9. 1:1
  10. 16:9
  11. 55800
  12. 4:3
  13. 21
  14. a tiny dot of colour
  15. 3.5
  16. 8400
  17. 5
  18. 280
  19. wider than it is tall
  20. 49000
  21. 20
  22. a widescreen slide
  23. 4:3
  24. 300
  25. an old-style monitor
  26. 3
  27. 1440
  28. 1:1
  29. the number of pixels
  30. 4:3
  31. a widescreen TV
  32. 21000
  33. a square post
  34. 24
  35. 12100
  36. an upright phone screen
  37. 11400
  38. 3:2
  39. 1500
  40. 900

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