Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 400 · 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.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) longer (c) blocky (pixelated) (d) louder
2. 2.🟦 You shrink a 260 × 520 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 The resolution of an image is … (a) the file name (b) the paper colour (c) the font (d) the number of pixels
4. 4.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
5. 5.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
6. 6.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?
7. 7.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
8. 8.Which of these best fits 9:16? (a) an album cover (b) a tall phone video (c) a laptop film screen (d) a square sticker
9. 9.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
10. 10.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) exactly the same (c) more colourful (d) squashed or wide
11. 11.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.🟦 An image is 290 pixels wide and 340 pixels tall. How many pixels does it have in all?
13. 13.🟦 An image is 50 pixels wide and 330 pixels tall. How many pixels does it have in all?
14. 14.Which of these best fits 16:9? (a) an old-style monitor (b) a tall phone video (c) a widescreen slide (d) a square post
15. 15.🟦 An image is 2400 × 1350 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
16. 16.🟦 An image is 20 pixels wide and 150 pixels tall. How many pixels does it have in all?
17. 17.🟦 An image is 30 pixels wide and 40 pixels tall. How many pixels does it have in all?
18. 18.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.🟦 You shrink a 440 × 560 pixel image to half its width and half its height. How many pixels does it have now?
20. 20.Which of these best fits 4:3? (a) an upright phone screen (b) an older TV screen (c) a widescreen TV (d) a phone story clip
21. 21.🟦 An image is 140 pixels wide and 20 pixels tall. How many pixels does it have in all?
22. 22.🟦 An image is 60 pixels wide and 140 pixels tall. How many pixels does it have in all?
23. 23.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
24. 24.🟦 An image is 630 × 420 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
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 210 × 140 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
27. 27.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.Which of these best fits 9:16? (a) an album cover (b) a phone story clip (c) a square sticker (d) a laptop film screen
29. 29.Which of these best fits 9:16? (a) an upright phone screen (b) a widescreen TV (c) an album cover (d) a landscape video
30. 30.🟦 A 16:9 frame is … (a) taller than wide (b) round (c) a perfect square (d) wider than it is tall
31. 31.Which of these best fits 4:3? (a) a square post (b) an old-style monitor (c) an upright phone screen (d) a widescreen TV
32. 32.🟦 A 4:3 video frame is 640 pixels wide. How many pixels tall is it?
33. 33.🟦 An image is 480 × 320 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
34. 34.🟦 You shrink a 720 × 500 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
36. 36.Which of these best fits 1:1? (a) an album cover (b) a laptop film screen (c) a classic tablet screen (d) a widescreen slide
37. 37.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
40. 40.🟦 A 16:9 video frame is 450 pixels tall. How many pixels wide is it?

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