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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 358 · 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 120 pixels wide and 70 pixels tall. How many pixels does it have in all?
  2. 2.🟦 An image is 260 pixels wide and 100 pixels tall. How many pixels does it have in all?
  3. 3.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a font size (d) a tiny dot of colour
  4. 4.🟦 You shrink a 340 × 440 pixel image to half its width and half its height. How many pixels does it have now?
  5. 5.🟦 Which aspect ratio best fits an older TV screen? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
  6. 6.🟦 A 4:3 video frame is 720 pixels wide. How many pixels tall is it?
  7. 7.Which of these best fits 1:1? (a) a phone story clip (b) a widescreen TV (c) a square post (d) an upright phone screen
  8. 8.Which of these best fits 4:3? (a) a widescreen slide (b) a classic tablet screen (c) a tall phone video (d) an upright phone screen
  9. 9.🟦 An image is 80 pixels wide and 300 pixels tall. How many pixels does it have in all?
  10. 10.🟦 The resolution of an image is … (a) the number of pixels (b) the font (c) the file name (d) the paper colour
  11. 11.Which of these best fits 16:9? (a) a laptop film screen (b) an album cover (c) an older TV screen (d) an upright phone screen
  12. 12.Which of these best fits 16:9? (a) a square sticker (b) a phone story clip (c) a landscape video (d) a square post
  13. 13.🟦 An image is 20 pixels wide and 240 pixels tall. How many pixels does it have in all?
  14. 14.🟦 An image is 150 pixels wide and 220 pixels tall. How many pixels does it have in all?
  15. 15.🟦 An image is 100 pixels wide and 80 pixels tall. How many pixels does it have in all?
  16. 16.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
  17. 17.🟦 A 16:9 frame is … (a) taller than wide (b) a perfect square (c) wider than it is tall (d) round
  18. 18.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  19. 19.🟦 A 16:9 video frame is 1440 pixels wide. How many pixels tall is it?
  20. 20.Which of these best fits 4:3? (a) an older TV screen (b) a laptop film screen (c) a landscape video (d) a square sticker
  21. 21.Which of these best fits 16:9? (a) a widescreen TV (b) an older TV screen (c) a classic tablet screen (d) a tall phone video
  22. 22.🟦 A 4:3 video frame is 840 pixels wide. How many pixels tall is it?
  23. 23.Which of these best fits 16:9? (a) an old-style monitor (b) an upright phone screen (c) a square profile picture (d) a widescreen slide
  24. 24.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  25. 25.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  26. 26.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  27. 27.🟦 An image is 60 × 60 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
  28. 28.🟦 An image is 140 pixels wide and 80 pixels tall. How many pixels does it have in all?
  29. 29.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
  30. 30.🟦 An image is 160 pixels wide and 290 pixels tall. How many pixels does it have in all?
  31. 31.🟦 An image is 720 × 480 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
  32. 32.🟦 An image is 300 pixels wide and 150 pixels tall. How many pixels does it have in all?
  33. 33.🟦 Which aspect ratio best fits an old-style monitor? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  34. 34.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  35. 35.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) blocky (pixelated) (d) longer
  36. 36.🟦 A 16:9 video frame is 1530 pixels tall. How many pixels wide is it?
  37. 37.Which of these best fits 9:16? (a) a tall phone video (b) a laptop film screen (c) a classic tablet screen (d) a widescreen slide
  38. 38.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) more colourful (d) exactly the same
  39. 39.Which of these best fits 1:1? (a) a landscape video (b) a laptop film screen (c) a square sticker (d) a widescreen TV
  40. 40.🟦 An image is 50 pixels wide and 320 pixels tall. How many pixels does it have in all?

Answer key

  1. 8400
  2. 26000
  3. a tiny dot of colour
  4. 37400
  5. 4:3
  6. 540
  7. a square post
  8. a classic tablet screen
  9. 24000
  10. the number of pixels
  11. a laptop film screen
  12. a landscape video
  13. 4800
  14. 33000
  15. 8000
  16. 16:9
  17. wider than it is tall
  18. 2
  19. 810
  20. an older TV screen
  21. a widescreen TV
  22. 630
  23. a widescreen slide
  24. 3.5
  25. 6
  26. 2.5
  27. 1:1
  28. 11200
  29. 2100
  30. 46400
  31. 3:2
  32. 45000
  33. 4:3
  34. 5
  35. blocky (pixelated)
  36. 2720
  37. a tall phone video
  38. squashed or wide
  39. a square sticker
  40. 16000

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