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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 688 · 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.🟦 An image is 260 pixels wide and 150 pixels tall. How many pixels does it have in all?
  2. 2.🟦 A photo is 6000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  3. 3.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
  4. 4.Which of these best fits 9:16? (a) a square profile picture (b) a phone story clip (c) a square sticker (d) a landscape video
  5. 5.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  6. 6.🟦 An image is 880 × 660 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  7. 7.🟦 What is a pixel? (a) a font size (b) a sound (c) a type of paper (d) a tiny dot of colour
  8. 8.Which of these best fits 9:16? (a) a classic tablet screen (b) an upright phone screen (c) a widescreen slide (d) an album cover
  9. 9.🟦 An image is 320 pixels wide and 80 pixels tall. How many pixels does it have in all?
  10. 10.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  11. 11.🟦 An image is 110 pixels wide and 200 pixels tall. How many pixels does it have in all?
  12. 12.🟦 An image is 70 pixels wide and 50 pixels tall. How many pixels does it have in all?
  13. 13.🟦 An image is 90 pixels wide and 340 pixels tall. How many pixels does it have in all?
  14. 14.🟦 An image is 1920 × 1080 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
  15. 15.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  16. 16.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) round (d) a perfect square
  17. 17.Which of these best fits 16:9? (a) a laptop film screen (b) a square post (c) an old-style monitor (d) an album cover
  18. 18.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) longer (c) louder (d) blocky (pixelated)
  19. 19.🟦 The resolution of an image is … (a) the font (b) the file name (c) the number of pixels (d) the paper colour
  20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
  21. 21.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
  22. 22.🟦 An image is 90 × 90 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
  23. 23.🟦 An image is 90 pixels wide and 70 pixels tall. How many pixels does it have in all?
  24. 24.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  25. 25.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  26. 26.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  27. 27.🟦 An image is 60 pixels wide and 390 pixels tall. How many pixels does it have in all?
  28. 28.🟦 You shrink a 340 × 680 pixel image to half its width and half its height. How many pixels does it have now?
  29. 29.Which of these best fits 4:3? (a) a widescreen slide (b) an album cover (c) an older TV screen (d) a laptop film screen
  30. 30.🟦 A 16:9 video frame is 1120 pixels wide. How many pixels tall is it?
  31. 31.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) sharper (d) exactly the same
  32. 32.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  33. 33.🟦 An image is 50 × 50 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  34. 34.🟦 An image is 80 × 80 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  35. 35.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  36. 36.🟦 An image is 150 × 150 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
  37. 37.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  38. 38.🟦 An image is 120 × 80 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  39. 39.🟦 You shrink a 440 × 600 pixel image to half its width and half its height. How many pixels does it have now?
  40. 40.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?

Answer key

  1. 39000
  2. 12
  3. 1200
  4. a phone story clip
  5. 6
  6. 4:3
  7. a tiny dot of colour
  8. an upright phone screen
  9. 25600
  10. 4
  11. 22000
  12. 3500
  13. 30600
  14. 16:9
  15. 6
  16. wider than it is tall
  17. a laptop film screen
  18. blocky (pixelated)
  19. the number of pixels
  20. 1350
  21. 180
  22. 1:1
  23. 6300
  24. 1500
  25. 9:16
  26. 1200
  27. 23400
  28. 57800
  29. an older TV screen
  30. 630
  31. squashed or wide
  32. 600
  33. 1:1
  34. 1:1
  35. 5
  36. 1:1
  37. 1:1
  38. 3:2
  39. 66000
  40. 2100

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