Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 819 · 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 aspect ratio best fits a widescreen TV? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
2. 2.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a tiny dot of colour (d) a font size
3. 3.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) taller than wide (d) wider than it is tall
4. 4.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
5. 5.🟦 An image is 50 pixels wide and 80 pixels tall. How many pixels does it have in all?
6. 6.🟦 A photo is 5000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
8. 8.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) squashed or wide (d) exactly the same
9. 9.🟦 A 4:3 video frame is 240 pixels tall. How many pixels wide is it?
10. 10.🟦 The resolution of an image is … (a) the file name (b) the font (c) the number of pixels (d) the paper colour
11. 11.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 A 16:9 video frame is 3840 pixels wide. How many pixels tall is it?
13. 13.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.Which of these best fits 9:16? (a) a laptop film screen (b) a phone story clip (c) a classic tablet screen (d) an old-style monitor
15. 15.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
16. 16.Which of these best fits 9:16? (a) a classic tablet screen (b) a square sticker (c) a tall phone video (d) a widescreen TV
17. 17.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
18. 18.🟦 You shrink a 140 × 240 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) longer (c) louder (d) sharper
20. 20.Which of these best fits 1:1? (a) a widescreen TV (b) a widescreen slide (c) a laptop film screen (d) a square post
21. 21.🟦 A photo is 5000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
22. 22.🟦 A 4:3 video frame is 200 pixels wide. How many pixels tall is it?
23. 23.🟦 You shrink a 560 × 120 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.Which of these best fits 16:9? (a) a landscape video (b) a square post (c) a phone story clip (d) a square profile picture
25. 25.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
26. 26.🟦 An image is 60 × 60 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
27. 27.Which of these best fits 16:9? (a) an album cover (b) a phone story clip (c) a widescreen TV (d) an old-style monitor
28. 28.🟦 An image is 40 pixels wide and 330 pixels tall. How many pixels does it have in all?
29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
30. 30.🟦 You shrink a 120 × 280 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 An image is 2400 × 1350 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
32. 32.🟦 A 4:3 video frame is 280 pixels wide. How many pixels tall is it?
33. 33.🟦 You shrink a 660 × 440 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 An image is 510 × 340 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9
35. 35.🟦 Which aspect ratio best fits a laptop film screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
36. 36.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 An image is 630 × 420 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
38. 38.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
39. 39.🟦 You shrink a 540 × 340 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1

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