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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 405 · 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 840 × 630 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
  2. 2.🟦 You shrink a 660 × 200 pixel image to half its width and half its height. How many pixels does it have now?
  3. 3.🟦 An image is 390 pixels wide and 260 pixels tall. How many pixels does it have in all?
  4. 4.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) squashed or wide (d) exactly the same
  5. 5.Which of these best fits 1:1? (a) a tall phone video (b) a square post (c) an older TV screen (d) an old-style monitor
  6. 6.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  7. 7.🟦 A 4:3 video frame is 60 pixels tall. How many pixels wide is it?
  8. 8.🟦 A 16:9 video frame is 3360 pixels wide. How many pixels tall is it?
  9. 9.🟦 A 16:9 frame is … (a) a perfect square (b) wider than it is tall (c) taller than wide (d) round
  10. 10.🟦 A 4:3 video frame is 180 pixels tall. How many pixels wide is it?
  11. 11.🟦 An image is 200 × 150 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
  12. 12.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
  13. 13.🟦 An image is 130 pixels wide and 140 pixels tall. How many pixels does it have in all?
  14. 14.🟦 An image is 2560 × 1440 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
  15. 15.Which of these best fits 4:3? (a) a laptop film screen (b) a widescreen slide (c) an old-style monitor (d) a phone story clip
  16. 16.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
  17. 17.🟦 A 16:9 video frame is 1350 pixels tall. How many pixels wide is it?
  18. 18.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
  19. 19.Which of these best fits 16:9? (a) an old-style monitor (b) a phone story clip (c) a widescreen TV (d) a classic tablet screen
  20. 20.Which of these best fits 1:1? (a) a square profile picture (b) a widescreen slide (c) a widescreen TV (d) a landscape video
  21. 21.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a sound (d) a tiny dot of colour
  22. 22.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  23. 23.🟦 A 16:9 video frame is 1440 pixels wide. How many pixels tall is it?
  24. 24.🟦 An image is 390 pixels wide and 50 pixels tall. How many pixels does it have in all?
  25. 25.🟦 An image is 290 pixels wide and 50 pixels tall. How many pixels does it have in all?
  26. 26.🟦 An image is 230 × 230 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
  27. 27.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
  28. 28.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  29. 29.🟦 An image is 390 pixels wide and 230 pixels tall. How many pixels does it have in all?
  30. 30.🟦 An image is 250 pixels wide and 120 pixels tall. How many pixels does it have in all?
  31. 31.Which of these best fits 16:9? (a) an old-style monitor (b) an album cover (c) a square post (d) a laptop film screen
  32. 32.🟦 An image is 390 pixels wide and 180 pixels tall. How many pixels does it have in all?
  33. 33.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) blocky (pixelated) (c) sharper (d) louder
  34. 34.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
  35. 35.🟦 An image is 170 pixels wide and 180 pixels tall. How many pixels does it have in all?
  36. 36.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
  37. 37.🟦 A 4:3 video frame is 560 pixels wide. How many pixels tall is it?
  38. 38.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  39. 39.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
  40. 40.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?

Answer key

  1. 4:3
  2. 33000
  3. 101400
  4. squashed or wide
  5. a square post
  6. 4:3
  7. 80
  8. 1890
  9. wider than it is tall
  10. 240
  11. 4:3
  12. 16:9
  13. 18200
  14. 16:9
  15. an old-style monitor
  16. 9:16
  17. 2400
  18. 1:1
  19. a widescreen TV
  20. a square profile picture
  21. a tiny dot of colour
  22. 8
  23. 810
  24. 19500
  25. 14500
  26. 1:1
  27. 4:3
  28. 10
  29. 89700
  30. 30000
  31. a laptop film screen
  32. 70200
  33. blocky (pixelated)
  34. 1500
  35. 30600
  36. 3300
  37. 420
  38. 6
  39. 16:9
  40. 600

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