Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 621 · 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 16:9 frame is … (a) a perfect square (b) round (c) taller than wide (d) wider than it is tall
2. 2.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) more colourful (c) sharper (d) squashed or wide
4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) longer (b) louder (c) blocky (pixelated) (d) sharper
5. 5.Which of these best fits 4:3? (a) a widescreen slide (b) an album cover (c) a tall phone video (d) an older TV screen
6. 6.Which of these best fits 4:3? (a) an album cover (b) a widescreen TV (c) a tall phone video (d) a classic tablet screen
7. 7.🟦 An image is 640 × 480 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
8. 8.🟦 Which aspect ratio best fits an album cover? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
9. 9.Which of these best fits 1:1? (a) a landscape video (b) a phone story clip (c) a square profile picture (d) a laptop film screen
10. 10.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
11. 11.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
12. 12.🟦 An image is 800 × 600 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
13. 13.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
15. 15.🟦 An image is 370 pixels wide and 360 pixels tall. How many pixels does it have in all?
16. 16.🟦 An image is 30 pixels wide and 170 pixels tall. How many pixels does it have in all?
17. 17.🟦 An image is 230 × 230 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
18. 18.🟦 An image is 240 × 180 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
19. 19.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a font size (d) a tiny dot of colour
20. 20.Which of these best fits 9:16? (a) a phone story clip (b) a square profile picture (c) a square post (d) an old-style monitor
21. 21.🟦 An image is 1120 × 630 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
22. 22.🟦 You shrink a 420 × 800 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 An image is 120 × 120 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
24. 24.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
25. 25.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 You shrink a 60 × 160 pixel image to half its width and half its height. How many pixels does it have now?
27. 27.🟦 A photo is 1000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.Which of these best fits 16:9? (a) a square post (b) an old-style monitor (c) an album cover (d) a landscape video
29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
30. 30.🟦 An image is 140 × 140 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
31. 31.Which of these best fits 16:9? (a) a phone story clip (b) a widescreen slide (c) a square post (d) an older TV screen
32. 32.🟦 A 4:3 video frame is 280 pixels wide. How many pixels tall is it?
33. 33.🟦 Which aspect ratio best fits a landscape video? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
34. 34.🟦 An image is 360 pixels wide and 350 pixels tall. How many pixels does it have in all?
35. 35.Which of these best fits 4:3? (a) a phone story clip (b) an old-style monitor (c) an upright phone screen (d) a landscape video
36. 36.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
37. 37.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
38. 38.🟦 An image is 390 pixels wide and 130 pixels tall. How many pixels does it have in all?
39. 39.🟦 A 4:3 video frame is 960 pixels wide. How many pixels tall is it?
40. 40.🟦 A 4:3 video frame is 360 pixels tall. How many pixels wide is it?

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