Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 144 · 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 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) exactly the same (d) sharper
3. 3.🟦 An image is 180 pixels wide and 290 pixels tall. How many pixels does it have in all?
4. 4.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
6. 6.🟦 The resolution of an image is … (a) the file name (b) the font (c) the number of pixels (d) the paper colour
7. 7.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
8. 8.🟦 Which aspect ratio best fits an old-style monitor? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
9. 9.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.🟦 A 16:9 frame is … (a) taller than wide (b) wider than it is tall (c) round (d) a perfect square
11. 11.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) longer (d) blocky (pixelated)
12. 12.🟦 An image is 330 pixels wide and 60 pixels tall. How many pixels does it have in all?
13. 13.Which of these best fits 4:3? (a) a square post (b) a laptop film screen (c) a classic tablet screen (d) a phone story clip
14. 14.Which of these best fits 16:9? (a) a square post (b) a widescreen TV (c) a classic tablet screen (d) a square sticker
15. 15.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
16. 16.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
17. 17.🟦 An image is 3680 × 2070 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
18. 18.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
19. 19.🟦 An image is 260 pixels wide and 390 pixels tall. How many pixels does it have in all?
20. 20.Which of these best fits 16:9? (a) an old-style monitor (b) an album cover (c) a laptop film screen (d) an upright phone screen
21. 21.🟦 You shrink a 340 × 220 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 A 4:3 video frame is 360 pixels wide. How many pixels tall is it?
23. 23.🟦 An image is 240 × 180 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
24. 24.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
25. 25.🟦 An image is 2240 × 1260 pixels. What is its aspect ratio? (a) 4:3 (b) 16:9 (c) 1:1 (d) 3:2
26. 26.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
27. 27.🟦 A 4:3 video frame is 720 pixels wide. How many pixels tall is it?
28. 28.🟦 You shrink a 180 × 80 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
30. 30.Which of these best fits 1:1? (a) an album cover (b) a widescreen TV (c) a tall phone video (d) a phone story clip
31. 31.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 An image is 90 pixels wide and 270 pixels tall. How many pixels does it have in all?
33. 33.🟦 You shrink a 100 × 380 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 What is a pixel? (a) a type of paper (b) a font size (c) a tiny dot of colour (d) a sound
35. 35.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
36. 36.🟦 An image is 30 × 20 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
37. 37.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.Which of these best fits 4:3? (a) an album cover (b) an old-style monitor (c) a square profile picture (d) a phone story clip
39. 39.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
40. 40.🟦 You shrink a 780 × 380 pixel image to half its width and half its height. How many pixels does it have now?

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