Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 495 · 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 aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 4:3 (d) 16:9
2. 2.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a sound (d) a tiny dot of colour
3. 3.Which of these best fits 9:16? (a) a square profile picture (b) an older TV screen (c) a classic tablet screen (d) a phone story clip
4. 4.🟦 An image is 720 × 480 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
5. 5.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
6. 6.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
7. 7.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) longer (d) blocky (pixelated)
8. 8.🟦 You shrink a 200 × 40 pixel image to half its width and half its height. How many pixels does it have now?
9. 9.🟦 A 16:9 frame is … (a) wider than it is tall (b) a perfect square (c) round (d) taller than wide
10. 10.🟦 An image is 30 pixels wide and 350 pixels tall. How many pixels does it have in all?
11. 11.🟦 You shrink a 140 × 460 pixel image to half its width and half its height. How many pixels does it have now?
12. 12.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the font (d) the number of pixels
13. 13.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
14. 14.🟦 An image is 180 pixels wide and 20 pixels tall. How many pixels does it have in all?
15. 15.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.🟦 A photo is 5000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 An image is 380 pixels wide and 240 pixels tall. How many pixels does it have in all?
18. 18.Which of these best fits 4:3? (a) a square sticker (b) a phone story clip (c) a classic tablet screen (d) an upright phone screen
19. 19.🟦 An image is 40 × 30 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
20. 20.🟦 A 16:9 video frame is 360 pixels tall. How many pixels wide is it?
21. 21.🟦 An image is 370 pixels wide and 290 pixels tall. How many pixels does it have in all?
22. 22.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.🟦 An image is 200 × 150 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
24. 24.🟦 An image is 200 pixels wide and 270 pixels tall. How many pixels does it have in all?
25. 25.🟦 An image is 960 × 540 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
26. 26.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
27. 27.🟦 An image is 220 pixels wide and 130 pixels tall. How many pixels does it have in all?
28. 28.🟦 You shrink a 580 × 440 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
30. 30.🟦 An image is 270 × 180 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
31. 31.Which of these best fits 9:16? (a) a tall phone video (b) a laptop film screen (c) an older TV screen (d) a widescreen slide
32. 32.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
33. 33.Which of these best fits 4:3? (a) an upright phone screen (b) a tall phone video (c) an old-style monitor (d) a phone story clip
34. 34.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 An image is 30 pixels wide and 390 pixels tall. How many pixels does it have in all?
36. 36.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) sharper (c) exactly the same (d) squashed or wide
37. 37.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
38. 38.Which of these best fits 1:1? (a) a tall phone video (b) a square post (c) a widescreen slide (d) a phone story clip
39. 39.🟦 A 4:3 video frame is 680 pixels wide. How many pixels tall is it?
40. 40.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1

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