Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 821 · 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.🟦 An image is 320 pixels wide and 30 pixels tall. How many pixels does it have in all?
2. 2.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
3. 3.Which of these best fits 16:9? (a) a square profile picture (b) an old-style monitor (c) a laptop film screen (d) a tall phone video
4. 4.🟦 Which aspect ratio best fits a phone story clip? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
5. 5.🟦 An image is 180 pixels wide and 350 pixels tall. How many pixels does it have in all?
6. 6.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) exactly the same (c) squashed or wide (d) sharper
7. 7.🟦 A 16:9 video frame is 720 pixels tall. How many pixels wide is it?
8. 8.🟦 An image is 40 pixels wide and 180 pixels tall. How many pixels does it have in all?
9. 9.🟦 A photo is 6000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
11. 11.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
12. 12.Which of these best fits 1:1? (a) a landscape video (b) a widescreen TV (c) a widescreen slide (d) an album cover
13. 13.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
14. 14.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
15. 15.🟦 A 16:9 video frame is 1170 pixels tall. How many pixels wide is it?
16. 16.Which of these best fits 4:3? (a) an older TV screen (b) a square sticker (c) a widescreen slide (d) a phone story clip
17. 17.Which of these best fits 16:9? (a) a phone story clip (b) a widescreen slide (c) a square profile picture (d) an old-style monitor
18. 18.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) blocky (pixelated) (d) longer
20. 20.Which of these best fits 4:3? (a) a widescreen TV (b) a tall phone video (c) a classic tablet screen (d) a landscape video
21. 21.🟦 What is a pixel? (a) a font size (b) a sound (c) a tiny dot of colour (d) a type of paper
22. 22.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
23. 23.Which of these best fits 16:9? (a) an older TV screen (b) an old-style monitor (c) a phone story clip (d) a widescreen TV
24. 24.🟦 The resolution of an image is … (a) the file name (b) the font (c) the paper colour (d) the number of pixels
25. 25.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) round (d) wider than it is tall
26. 26.🟦 An image is 110 × 110 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
27. 27.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
28. 28.🟦 An image is 630 × 420 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
29. 29.Which of these best fits 4:3? (a) a widescreen TV (b) a landscape video (c) a widescreen slide (d) an old-style monitor
30. 30.Which of these best fits 1:1? (a) a landscape video (b) a laptop film screen (c) a square profile picture (d) an upright phone screen
31. 31.🟦 You shrink a 100 × 780 pixel image to half its width and half its height. How many pixels does it have now?
32. 32.🟦 An image is 3680 × 2070 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
33. 33.🟦 A 16:9 video frame is 960 pixels wide. How many pixels tall is it?
34. 34.🟦 An image is 20 × 20 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
35. 35.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
36. 36.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
37. 37.🟦 An image is 240 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
38. 38.Which of these best fits 1:1? (a) a phone story clip (b) a laptop film screen (c) an old-style monitor (d) a square post
39. 39.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
40. 40.🟦 An image is 190 × 190 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 1:1 (d) 16:9

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