Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 328 · 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.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 10-inch-wide print?
2. 2.🟦 An image is 300 pixels wide and 290 pixels tall. How many pixels does it have in all?
3. 3.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
4. 4.🟦 An image is 2400 × 1350 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
5. 5.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) blocky (pixelated) (d) longer
6. 6.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 A 16:9 video frame is 3040 pixels wide. How many pixels tall is it?
8. 8.🟦 An image is 250 pixels wide and 110 pixels tall. How many pixels does it have in all?
9. 9.Which of these best fits 16:9? (a) a widescreen TV (b) an album cover (c) a phone story clip (d) an upright phone screen
10. 10.🟦 A 4:3 video frame is 150 pixels tall. How many pixels wide is it?
11. 11.🟦 An image is 240 pixels wide and 380 pixels tall. How many pixels does it have in all?
12. 12.🟦 An image is 120 pixels wide and 40 pixels tall. How many pixels does it have in all?
13. 13.🟦 An image is 50 pixels wide and 230 pixels tall. How many pixels does it have in all?
14. 14.🟦 You shrink a 100 × 540 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.🟦 An image is 210 pixels wide and 270 pixels tall. How many pixels does it have in all?
16. 16.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 A photo is 2000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
18. 18.🟦 An image is 3520 × 1980 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
19. 19.🟦 A 16:9 frame is … (a) round (b) wider than it is tall (c) a perfect square (d) taller than wide
20. 20.🟦 You shrink a 240 × 280 pixel image to half its width and half its height. How many pixels does it have now?
21. 21.Which of these best fits 4:3? (a) an older TV screen (b) a square sticker (c) a widescreen slide (d) a tall phone video
22. 22.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the file name (d) the font
24. 24.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
25. 25.🟦 An image is 110 pixels wide and 160 pixels tall. How many pixels does it have in all?
26. 26.Which of these best fits 16:9? (a) an old-style monitor (b) a phone story clip (c) a classic tablet screen (d) a laptop film screen
27. 27.🟦 A 4:3 video frame is 600 pixels wide. How many pixels tall is it?
28. 28.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 A photo is 1000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.Which of these best fits 4:3? (a) a laptop film screen (b) a square profile picture (c) an old-style monitor (d) a widescreen slide
31. 31.🟦 Which aspect ratio best fits a phone story clip? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
32. 32.🟦 What is a pixel? (a) a tiny dot of colour (b) a sound (c) a font size (d) a type of paper
33. 33.🟦 An image is 210 pixels wide and 250 pixels tall. How many pixels does it have in all?
34. 34.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
35. 35.🟦 An image is 350 pixels wide and 290 pixels tall. How many pixels does it have in all?
36. 36.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
37. 37.Which of these best fits 1:1? (a) a widescreen slide (b) a laptop film screen (c) a landscape video (d) a square sticker
38. 38.🟦 Stretching a photo only sideways makes people look … (a) more colourful (b) squashed or wide (c) exactly the same (d) sharper
39. 39.Which of these best fits 4:3? (a) a landscape video (b) an upright phone screen (c) a classic tablet screen (d) an album cover
40. 40.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1

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