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Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 231 · 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 200 pixels wide and 100 pixels tall. How many pixels does it have in all?
  2. 2.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  3. 3.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
  4. 4.🟦 An image is 2240 × 1260 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 3:2 (d) 1:1
  5. 5.🟦 An image is 370 pixels wide and 240 pixels tall. How many pixels does it have in all?
  6. 6.🟦 A 4:3 video frame is 240 pixels tall. How many pixels wide is it?
  7. 7.Which of these best fits 1:1? (a) an album cover (b) an older TV screen (c) a landscape video (d) an old-style monitor
  8. 8.Which of these best fits 16:9? (a) a classic tablet screen (b) an upright phone screen (c) a widescreen TV (d) a phone story clip
  9. 9.🟦 An image is 270 pixels wide and 80 pixels tall. How many pixels does it have in all?
  10. 10.🟦 You shrink a 580 × 420 pixel image to half its width and half its height. How many pixels does it have now?
  11. 11.🟦 You shrink a 260 × 360 pixel image to half its width and half its height. How many pixels does it have now?
  12. 12.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
  13. 13.🟦 A 4:3 video frame is 150 pixels tall. How many pixels wide is it?
  14. 14.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
  15. 15.🟦 You shrink a 220 × 60 pixel image to half its width and half its height. How many pixels does it have now?
  16. 16.Which of these best fits 16:9? (a) an old-style monitor (b) an older TV screen (c) a landscape video (d) an album cover
  17. 17.Which of these best fits 1:1? (a) a phone story clip (b) a laptop film screen (c) a square sticker (d) an upright phone screen
  18. 18.Which of these best fits 16:9? (a) a laptop film screen (b) an older TV screen (c) a square profile picture (d) a square post
  19. 19.Which of these best fits 16:9? (a) a widescreen slide (b) an upright phone screen (c) a square post (d) a phone story clip
  20. 20.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  21. 21.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  22. 22.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
  23. 23.Which of these best fits 1:1? (a) a widescreen slide (b) a laptop film screen (c) an older TV screen (d) a square post
  24. 24.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
  25. 25.🟦 What is a pixel? (a) a sound (b) a font size (c) a tiny dot of colour (d) a type of paper
  26. 26.🟦 An image is 120 pixels wide and 370 pixels tall. How many pixels does it have in all?
  27. 27.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) exactly the same (d) sharper
  28. 28.🟦 An image is 90 pixels wide and 120 pixels tall. How many pixels does it have in all?
  29. 29.🟦 A 4:3 video frame is 570 pixels tall. How many pixels wide is it?
  30. 30.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  31. 31.🟦 A 16:9 video frame is 3680 pixels wide. How many pixels tall is it?
  32. 32.🟦 A 16:9 frame is … (a) wider than it is tall (b) a perfect square (c) round (d) taller than wide
  33. 33.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  34. 34.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  35. 35.Which of these best fits 4:3? (a) a landscape video (b) an album cover (c) an older TV screen (d) a square sticker
  36. 36.🟦 An image is 400 × 300 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
  37. 37.🟦 An image is 1600 × 900 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
  38. 38.Which of these best fits 9:16? (a) a landscape video (b) a tall phone video (c) a widescreen TV (d) a square post
  39. 39.🟦 A photo is 4000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
  40. 40.🟦 An image is 20 pixels wide and 30 pixels tall. How many pixels does it have in all?

Answer key

  1. 20000
  2. 20
  3. 1:1
  4. 16:9
  5. 88800
  6. 320
  7. an album cover
  8. a widescreen TV
  9. 21600
  10. 60900
  11. 23400
  12. 9:16
  13. 200
  14. 16:9
  15. 3300
  16. a landscape video
  17. a square sticker
  18. a laptop film screen
  19. a widescreen slide
  20. 6
  21. 4
  22. 1:1
  23. a square post
  24. 900
  25. a tiny dot of colour
  26. 44400
  27. squashed or wide
  28. 10800
  29. 760
  30. 12
  31. 2070
  32. wider than it is tall
  33. 2
  34. 1
  35. an older TV screen
  36. 4:3
  37. 16:9
  38. a tall phone video
  39. 10
  40. 600

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