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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 449 · 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 9:16? (a) a landscape video (b) a phone story clip (c) an older TV screen (d) a widescreen TV
  2. 2.🟦 An image is 30 pixels wide and 380 pixels tall. How many pixels does it have in all?
  3. 3.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  4. 4.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
  5. 5.Which of these best fits 1:1? (a) an upright phone screen (b) a square profile picture (c) a phone story clip (d) a widescreen slide
  6. 6.Which of these best fits 1:1? (a) an album cover (b) a landscape video (c) a laptop film screen (d) an older TV screen
  7. 7.🟦 A 4:3 video frame is 400 pixels wide. How many pixels tall is it?
  8. 8.🟦 Which aspect ratio best fits a square post? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  9. 9.🟦 You shrink a 200 × 760 pixel image to half its width and half its height. How many pixels does it have now?
  10. 10.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  11. 11.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a font size (d) a tiny dot of colour
  12. 12.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  13. 13.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
  14. 14.🟦 You shrink a 700 × 600 pixel image to half its width and half its height. How many pixels does it have now?
  15. 15.🟦 An image is 370 pixels wide and 340 pixels tall. How many pixels does it have in all?
  16. 16.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  17. 17.🟦 An image is 70 × 70 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
  18. 18.🟦 An image is 160 × 120 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
  19. 19.🟦 An image is 330 pixels wide and 400 pixels tall. How many pixels does it have in all?
  20. 20.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  21. 21.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) more colourful (c) sharper (d) exactly the same
  22. 22.🟦 A 16:9 video frame is 180 pixels tall. How many pixels wide is it?
  23. 23.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
  24. 24.🟦 A 16:9 video frame is 990 pixels tall. How many pixels wide is it?
  25. 25.🟦 An image is 180 pixels wide and 370 pixels tall. How many pixels does it have in all?
  26. 26.🟦 An image is 320 × 240 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
  27. 27.Which of these best fits 16:9? (a) an older TV screen (b) an old-style monitor (c) a square profile picture (d) a widescreen slide
  28. 28.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  30. 30.🟦 An image is 100 pixels wide and 60 pixels tall. How many pixels does it have in all?
  31. 31.🟦 You shrink a 160 × 120 pixel image to half its width and half its height. How many pixels does it have now?
  32. 32.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  33. 33.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  34. 34.🟦 An image is 60 × 40 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  35. 35.🟦 A 16:9 video frame is 1530 pixels tall. How many pixels wide is it?
  36. 36.🟦 An image is 50 pixels wide and 70 pixels tall. How many pixels does it have in all?
  37. 37.🟦 You shrink a 380 × 440 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.🟦 You shrink an 80 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  39. 39.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
  40. 40.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?

Answer key

  1. a phone story clip
  2. 11400
  3. 4
  4. 4:3
  5. a square profile picture
  6. an album cover
  7. 300
  8. 1:1
  9. 38000
  10. 10.5
  11. a tiny dot of colour
  12. 2
  13. 1:1
  14. 105000
  15. 125800
  16. 1.5
  17. 1:1
  18. 4:3
  19. 132000
  20. 4:3
  21. squashed or wide
  22. 320
  23. 9:16
  24. 1760
  25. 66600
  26. 4:3
  27. a widescreen slide
  28. 6
  29. 600
  30. 6000
  31. 4800
  32. 1:1
  33. 16:9
  34. 3:2
  35. 2720
  36. 3500
  37. 41800
  38. 4000
  39. 90
  40. 1500

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