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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 575 · 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.Which of these best fits 4:3? (a) a widescreen TV (b) an older TV screen (c) an album cover (d) a widescreen slide
  2. 2.🟦 You shrink a 200 × 220 pixel image to half its width and half its height. How many pixels does it have now?
  3. 3.🟦 A 16:9 video frame is 540 pixels tall. How many pixels wide is it?
  4. 4.Which of these best fits 1:1? (a) a tall phone video (b) a square sticker (c) a widescreen slide (d) an upright phone screen
  5. 5.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a sound (d) a type of paper
  6. 6.Which of these best fits 4:3? (a) a phone story clip (b) a laptop film screen (c) an upright phone screen (d) an old-style monitor
  7. 7.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  8. 8.🟦 An image is 340 pixels wide and 250 pixels tall. How many pixels does it have in all?
  9. 9.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  10. 10.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
  11. 11.🟦 A 4:3 video frame is 150 pixels tall. How many pixels wide is it?
  12. 12.🟦 A 16:9 video frame is 810 pixels tall. How many pixels wide is it?
  13. 13.🟦 A 16:9 frame is … (a) wider than it is tall (b) a perfect square (c) taller than wide (d) round
  14. 14.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  15. 15.🟦 A 4:3 video frame is 280 pixels wide. How many pixels tall is it?
  16. 16.🟦 An image is 120 × 120 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
  17. 17.🟦 An image is 100 pixels wide and 360 pixels tall. How many pixels does it have in all?
  18. 18.🟦 An image is 110 pixels wide and 280 pixels tall. How many pixels does it have in all?
  19. 19.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  20. 20.Which of these best fits 16:9? (a) a widescreen slide (b) a square profile picture (c) a square post (d) an upright phone screen
  21. 21.🟦 You shrink a 780 × 320 pixel image to half its width and half its height. How many pixels does it have now?
  22. 22.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
  23. 23.🟦 An image is 640 × 480 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
  24. 24.Which of these best fits 1:1? (a) a widescreen TV (b) a landscape video (c) an upright phone screen (d) a square profile picture
  25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  26. 26.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  27. 27.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
  28. 28.Which of these best fits 1:1? (a) a tall phone video (b) a widescreen TV (c) a square post (d) a phone story clip
  29. 29.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) sharper (d) squashed or wide
  30. 30.Which of these best fits 9:16? (a) a square post (b) a landscape video (c) a tall phone video (d) an older TV screen
  31. 31.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  32. 32.🟦 A 16:9 video frame is 1980 pixels tall. How many pixels wide is it?
  33. 33.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  34. 34.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  35. 35.🟦 An image is 3840 × 2160 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
  36. 36.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
  37. 37.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  38. 38.🟦 You shrink a 500 × 680 pixel image to half its width and half its height. How many pixels does it have now?
  39. 39.🟦 An image is 880 × 660 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  40. 40.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3

Answer key

  1. an older TV screen
  2. 11000
  3. 960
  4. a square sticker
  5. a tiny dot of colour
  6. an old-style monitor
  7. 16:9
  8. 85000
  9. 1.5
  10. 4:3
  11. 200
  12. 1440
  13. wider than it is tall
  14. 6
  15. 210
  16. 1:1
  17. 36000
  18. 30800
  19. 2.5
  20. a widescreen slide
  21. 62400
  22. 1:1
  23. 4:3
  24. a square profile picture
  25. 1050
  26. 5
  27. 1500
  28. a square post
  29. squashed or wide
  30. a tall phone video
  31. 6
  32. 3520
  33. 300
  34. 16:9
  35. 16:9
  36. 1:1
  37. 3
  38. 85000
  39. 4:3
  40. 1:1

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