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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 390 · 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.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  2. 2.🟦 A 16:9 video frame is 810 pixels tall. How many pixels wide is it?
  3. 3.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the file name (d) the font
  4. 4.🟦 An image is 1920 × 1080 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
  5. 5.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  6. 6.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  7. 7.🟦 A 16:9 video frame is 1600 pixels wide. How many pixels tall is it?
  8. 8.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a tiny dot of colour (d) a sound
  9. 9.🟦 You shrink a 140 × 380 pixel image to half its width and half its height. How many pixels does it have now?
  10. 10.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) longer (d) louder
  11. 11.🟦 A 16:9 video frame is 3360 pixels wide. How many pixels tall is it?
  12. 12.🟦 You shrink a 300 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  13. 13.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  14. 14.🟦 A 4:3 video frame is 200 pixels wide. How many pixels tall is it?
  15. 15.🟦 An image is 720 × 540 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
  16. 16.🟦 A 4:3 video frame is 800 pixels wide. How many pixels tall is it?
  17. 17.🟦 A 4:3 video frame is 960 pixels wide. How many pixels tall is it?
  18. 18.🟦 An image is 40 pixels wide and 140 pixels tall. How many pixels does it have in all?
  19. 19.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  20. 20.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  21. 21.🟦 A 16:9 video frame is 180 pixels tall. How many pixels wide is it?
  22. 22.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  23. 23.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
  24. 24.🟦 An image is 400 pixels wide and 70 pixels tall. How many pixels does it have in all?
  25. 25.Which of these best fits 16:9? (a) an album cover (b) a widescreen TV (c) an older TV screen (d) a phone story clip
  26. 26.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  27. 27.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
  28. 28.Which of these best fits 4:3? (a) a widescreen TV (b) a landscape video (c) a laptop film screen (d) an older TV screen
  29. 29.Which of these best fits 1:1? (a) a widescreen slide (b) a landscape video (c) a laptop film screen (d) an album cover
  30. 30.🟦 A 4:3 video frame is 480 pixels wide. How many pixels tall is it?
  31. 31.🟦 A 4:3 video frame is 240 pixels wide. How many pixels tall is it?
  32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
  33. 33.🟦 You shrink a 200 × 100 pixel image to half its width and half its height. How many pixels does it have now?
  34. 34.Which of these best fits 16:9? (a) a laptop film screen (b) a square sticker (c) a tall phone video (d) a square profile picture
  35. 35.🟦 A 16:9 video frame is 3680 pixels wide. How many pixels tall is it?
  36. 36.🟦 An image is 3200 × 1800 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
  37. 37.🟦 You shrink a 320 × 80 pixel image to half its width and half its height. How many pixels does it have now?
  38. 38.🟦 You shrink a 60 × 660 pixel image to half its width and half its height. How many pixels does it have now?
  39. 39.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  40. 40.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) squashed or wide (d) sharper

Answer key

  1. 1800
  2. 1440
  3. the number of pixels
  4. 16:9
  5. 9:16
  6. 17.5
  7. 900
  8. a tiny dot of colour
  9. 13300
  10. blocky (pixelated)
  11. 1890
  12. 15000
  13. 1500
  14. 150
  15. 4:3
  16. 600
  17. 720
  18. 5600
  19. 14
  20. 16:9
  21. 320
  22. 15
  23. 4:3
  24. 28000
  25. a widescreen TV
  26. 1650
  27. 16:9
  28. an older TV screen
  29. an album cover
  30. 360
  31. 180
  32. 900
  33. 5000
  34. a laptop film screen
  35. 2070
  36. 16:9
  37. 6400
  38. 9900
  39. 8
  40. squashed or wide

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