Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 295 · 40 questions

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.

1. 1.Which of these best fits 9:16? (a) a landscape video (b) a laptop film screen (c) a phone story clip (d) a widescreen TV
2. 2.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.🟦 A 4:3 video frame is 600 pixels wide. How many pixels tall is it?
4. 4.🟦 An image is 20 pixels wide and 100 pixels tall. How many pixels does it have in all?
5. 5.🟦 You shrink a 500 × 420 pixel image to half its width and half its height. How many pixels does it have now?
6. 6.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
7. 7.🟦 An image is 200 pixels wide and 70 pixels tall. How many pixels does it have in all?
8. 8.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) longer (d) sharper
9. 9.🟦 An image is 1440 × 810 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
10. 10.🟦 An image is 360 × 270 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
11. 11.🟦 You shrink a 480 × 740 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.🟦 A 4:3 video frame is 720 pixels tall. How many pixels wide is it?
13. 13.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) round (d) a perfect square
14. 14.🟦 An image is 480 × 270 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
15. 15.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.Which of these best fits 9:16? (a) a tall phone video (b) a classic tablet screen (c) a widescreen slide (d) a square sticker
17. 17.Which of these best fits 4:3? (a) an upright phone screen (b) a laptop film screen (c) a tall phone video (d) an older TV screen
18. 18.🟦 A 4:3 video frame is 360 pixels tall. How many pixels wide is it?
19. 19.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 An image is 350 pixels wide and 90 pixels tall. How many pixels does it have in all?
21. 21.🟦 A photo is 2000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.Which of these best fits 1:1? (a) a classic tablet screen (b) a tall phone video (c) a square sticker (d) an old-style monitor
23. 23.🟦 You shrink a 200 × 740 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.🟦 The resolution of an image is … (a) the number of pixels (b) the font (c) the file name (d) the paper colour
25. 25.Which of these best fits 9:16? (a) an upright phone screen (b) a landscape video (c) a square sticker (d) a widescreen slide
26. 26.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 An image is 40 × 30 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
28. 28.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
29. 29.Which of these best fits 4:3? (a) a classic tablet screen (b) a square sticker (c) a square profile picture (d) a widescreen slide
30. 30.🟦 An image is 20 pixels wide and 30 pixels tall. How many pixels does it have in all?
31. 31.🟦 A 4:3 video frame is 660 pixels tall. How many pixels wide is it?
32. 32.🟦 You shrink a 520 × 200 pixel image to half its width and half its height. How many pixels does it have now?
33. 33.🟦 You shrink a 560 × 500 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 widescreen slide (b) an older TV screen (c) an old-style monitor (d) a square post
35. 35.🟦 What is a pixel? (a) a tiny dot of colour (b) a type of paper (c) a sound (d) a font size
36. 36.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
37. 37.🟦 An image is 70 pixels wide and 110 pixels tall. How many pixels does it have in all?
38. 38.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 You shrink a 740 × 360 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) squashed or wide (d) exactly the same

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