Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 186 · 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.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 An image is 190 pixels wide and 320 pixels tall. How many pixels does it have in all?
3. 3.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) blocky (pixelated) (c) sharper (d) longer
4. 4.Which of these best fits 9:16? (a) a tall phone video (b) an album cover (c) a widescreen slide (d) an older TV screen
5. 5.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
6. 6.Which of these best fits 1:1? (a) a square profile picture (b) a phone story clip (c) a widescreen slide (d) an older TV screen
7. 7.🟦 You shrink a 580 × 400 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 A 4:3 video frame is 200 pixels wide. How many pixels tall is it?
9. 9.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) more colourful (d) sharper
10. 10.Which of these best fits 9:16? (a) a square profile picture (b) an old-style monitor (c) a widescreen slide (d) a phone story clip
11. 11.Which of these best fits 9:16? (a) a landscape video (b) an upright phone screen (c) a square sticker (d) a square profile picture
12. 12.🟦 You shrink a 720 × 240 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.🟦 The resolution of an image is … (a) the number of pixels (b) the file name (c) the paper colour (d) the font
14. 14.🟦 A 4:3 video frame is 480 pixels wide. How many pixels tall is it?
15. 15.Which of these best fits 16:9? (a) a phone story clip (b) a landscape video (c) a square profile picture (d) an older TV screen
16. 16.🟦 You shrink a 160 × 160 pixel image to half its width and half its height. How many pixels does it have now?
17. 17.🟦 You shrink a 600 × 160 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.🟦 You shrink a 300 × 520 pixel image to half its width and half its height. How many pixels does it have now?
19. 19.🟦 An image is 80 × 80 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
20. 20.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
21. 21.🟦 An image is 320 × 240 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
22. 22.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.🟦 An image is 320 × 180 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
24. 24.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
25. 25.Which of these best fits 16:9? (a) a widescreen TV (b) an upright phone screen (c) a phone story clip (d) a square profile picture
26. 26.🟦 An image is 70 pixels wide and 170 pixels tall. How many pixels does it have in all?
27. 27.🟦 A 4:3 video frame is 600 pixels wide. How many pixels tall is it?
28. 28.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
30. 30.🟦 What is a pixel? (a) a tiny dot of colour (b) a type of paper (c) a sound (d) a font size
31. 31.Which of these best fits 4:3? (a) an upright phone screen (b) a phone story clip (c) an older TV screen (d) a laptop film screen
32. 32.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
33. 33.🟦 An image is 270 × 180 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
34. 34.🟦 An image is 210 pixels wide and 50 pixels tall. How many pixels does it have in all?
35. 35.🟦 You shrink an 80 × 120 pixel image to half its width and half its height. How many pixels does it have now?
36. 36.🟦 You shrink a 400 × 120 pixel image to half its width and half its height. How many pixels does it have now?
37. 37.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
39. 39.🟦 A 16:9 frame is … (a) a perfect square (b) round (c) wider than it is tall (d) taller than wide
40. 40.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?

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