Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 354 · 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 4:3? (a) a phone story clip (b) a classic tablet screen (c) an album cover (d) a landscape video
2. 2.🟦 You shrink a 760 × 720 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 What is a pixel? (a) a sound (b) a font size (c) a tiny dot of colour (d) a type of paper
4. 4.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
6. 6.🟦 An image is 280 pixels wide and 90 pixels tall. How many pixels does it have in all?
7. 7.🟦 An image is 1280 × 720 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
8. 8.🟦 You shrink a 580 × 580 pixel image to half its width and half its height. How many pixels does it have now?
9. 9.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
10. 10.🟦 An image is 280 × 210 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
11. 11.🟦 An image is 30 pixels wide and 370 pixels tall. How many pixels does it have in all?
12. 12.🟦 An image is 330 × 220 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
13. 13.🟦 An image is 70 × 70 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
14. 14.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the font (d) the file name
15. 15.🟦 You shrink a 740 × 80 pixel image to half its width and half its height. How many pixels does it have now?
16. 16.🟦 A photo is 5000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 You shrink a 180 × 300 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.Which of these best fits 4:3? (a) a square post (b) an album cover (c) an old-style monitor (d) a widescreen TV
19. 19.🟦 You shrink a 100 × 280 pixel image to half its width and half its height. How many pixels does it have now?
20. 20.Which of these best fits 9:16? (a) a widescreen TV (b) a tall phone video (c) a widescreen slide (d) an older TV screen
21. 21.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) exactly the same (d) squashed or wide
22. 22.🟦 An image is 190 pixels wide and 390 pixels tall. How many pixels does it have in all?
23. 23.🟦 A 4:3 video frame is 240 pixels tall. How many pixels wide is it?
24. 24.🟦 A 16:9 video frame is 2720 pixels wide. How many pixels tall is it?
25. 25.Which of these best fits 16:9? (a) a square sticker (b) a widescreen TV (c) a phone story clip (d) an old-style monitor
26. 26.🟦 A 16:9 video frame is 2560 pixels wide. How many pixels tall is it?
27. 27.Which of these best fits 1:1? (a) an album cover (b) a laptop film screen (c) a classic tablet screen (d) a tall phone video
28. 28.🟦 A 4:3 video frame is 160 pixels wide. How many pixels tall is it?
29. 29.🟦 You shrink a 260 × 780 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 An image is 880 × 660 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
31. 31.🟦 You shrink a 380 × 280 pixel image to half its width and half its height. How many pixels does it have now?
32. 32.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
33. 33.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
34. 34.🟦 An image is 2720 × 1530 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
35. 35.🟦 An image is 190 pixels wide and 160 pixels tall. How many pixels does it have in all?
36. 36.🟦 A 16:9 video frame is 640 pixels wide. How many pixels tall is it?
37. 37.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
39. 39.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) louder (d) longer
40. 40.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1

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