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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 260 · 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) an upright phone screen (b) an older TV screen (c) a phone story clip (d) a square post
  2. 2.🟦 An image is 110 pixels wide and 110 pixels tall. How many pixels does it have in all?
  3. 3.🟦 An image is 240 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
  4. 4.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  5. 5.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  6. 6.🟦 An image is 300 pixels wide and 80 pixels tall. How many pixels does it have in all?
  7. 7.🟦 An image is 1120 × 630 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
  8. 8.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) blocky (pixelated) (d) sharper
  9. 9.🟦 A photo is 5000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  10. 10.🟦 What is a pixel? (a) a font size (b) a sound (c) a type of paper (d) a tiny dot of colour
  11. 11.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
  12. 12.🟦 You shrink a 720 × 540 pixel image to half its width and half its height. How many pixels does it have now?
  13. 13.🟦 An image is 360 pixels wide and 220 pixels tall. How many pixels does it have in all?
  14. 14.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the number of pixels (d) the font
  15. 15.Which of these best fits 9:16? (a) a square post (b) a tall phone video (c) a classic tablet screen (d) a widescreen TV
  16. 16.🟦 An image is 110 pixels wide and 230 pixels tall. How many pixels does it have in all?
  17. 17.🟦 An image is 690 × 460 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
  18. 18.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  19. 19.🟦 An image is 210 × 210 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
  20. 20.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
  21. 21.🟦 An image is 400 × 300 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
  22. 22.🟦 An image is 800 × 600 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
  23. 23.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
  24. 24.🟦 An image is 240 pixels wide and 330 pixels tall. How many pixels does it have in all?
  25. 25.🟦 A 16:9 video frame is 3200 pixels wide. How many pixels tall is it?
  26. 26.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
  27. 27.Which of these best fits 1:1? (a) a landscape video (b) a square sticker (c) a classic tablet screen (d) a widescreen slide
  28. 28.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
  29. 29.Which of these best fits 1:1? (a) a landscape video (b) a square profile picture (c) a widescreen TV (d) a widescreen slide
  30. 30.Which of these best fits 9:16? (a) a laptop film screen (b) a widescreen slide (c) an upright phone screen (d) a widescreen TV
  31. 31.🟦 You shrink a 520 × 340 pixel image to half its width and half its height. How many pixels does it have now?
  32. 32.🟦 An image is 160 pixels wide and 290 pixels tall. How many pixels does it have in all?
  33. 33.🟦 An image is 240 pixels wide and 300 pixels tall. How many pixels does it have in all?
  34. 34.🟦 You shrink a 140 × 260 pixel image to half its width and half its height. How many pixels does it have now?
  35. 35.🟦 An image is 320 × 240 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
  36. 36.🟦 You shrink a 380 × 240 pixel image to half its width and half its height. How many pixels does it have now?
  37. 37.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  38. 38.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  39. 39.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  40. 40.🟦 You shrink a 60 × 320 pixel image to half its width and half its height. How many pixels does it have now?

Answer key

  1. an older TV screen
  2. 12100
  3. 4:3
  4. 16:9
  5. 900
  6. 24000
  7. 16:9
  8. blocky (pixelated)
  9. 17.5
  10. a tiny dot of colour
  11. 180
  12. 97200
  13. 79200
  14. the number of pixels
  15. a tall phone video
  16. 25300
  17. 3:2
  18. 10
  19. 1:1
  20. 1200
  21. 4:3
  22. 4:3
  23. 640
  24. 79200
  25. 1800
  26. 600
  27. a square sticker
  28. 1:1
  29. a square profile picture
  30. an upright phone screen
  31. 44200
  32. 46400
  33. 72000
  34. 9100
  35. 4:3
  36. 22800
  37. 12
  38. 9:16
  39. 18
  40. 4800

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