Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 478 · 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 16:9? (a) an album cover (b) a widescreen TV (c) an older TV screen (d) an old-style monitor
2. 2.🟦 A 4:3 video frame is 840 pixels wide. How many pixels tall is it?
3. 3.Which of these best fits 9:16? (a) an older TV screen (b) a laptop film screen (c) a landscape video (d) an upright phone screen
4. 4.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) blocky (pixelated) (c) longer (d) louder
5. 5.🟦 An image is 30 pixels wide and 120 pixels tall. How many pixels does it have in all?
6. 6.🟦 A photo is 2000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 A 4:3 video frame is 390 pixels tall. How many pixels wide is it?
8. 8.🟦 An image is 210 × 210 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
9. 9.Which of these best fits 1:1? (a) an old-style monitor (b) a phone story clip (c) an upright phone screen (d) a square sticker
10. 10.Which of these best fits 4:3? (a) a widescreen TV (b) a square post (c) an old-style monitor (d) a square sticker
11. 11.🟦 A 16:9 video frame is 2240 pixels wide. How many pixels tall is it?
12. 12.Which of these best fits 1:1? (a) an old-style monitor (b) an album cover (c) a classic tablet screen (d) a landscape video
13. 13.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
14. 14.🟦 You shrink a 340 × 380 pixel image to half its width and half its height. How many pixels does it have now?
15. 15.Which of these best fits 16:9? (a) a classic tablet screen (b) a landscape video (c) a square post (d) an old-style monitor
16. 16.🟦 Which aspect ratio best fits a laptop film screen? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16
17. 17.🟦 The resolution of an image is … (a) the number of pixels (b) the file name (c) the font (d) the paper colour
18. 18.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a font size (d) a type of paper
20. 20.🟦 A 16:9 video frame is 630 pixels tall. How many pixels wide is it?
21. 21.🟦 You shrink a 380 × 460 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
23. 23.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
24. 24.🟦 An image is 540 × 360 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
25. 25.🟦 An image is 310 pixels wide and 90 pixels tall. How many pixels does it have in all?
26. 26.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) more colourful (d) exactly the same
27. 27.🟦 A photo is 1000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.Which of these best fits 16:9? (a) a square profile picture (b) a laptop film screen (c) an old-style monitor (d) a square sticker
29. 29.🟦 You shrink a 200 × 480 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 An image is 20 pixels wide and 350 pixels tall. How many pixels does it have in all?
31. 31.🟦 An image is 190 × 190 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 3:2 (d) 16:9
32. 32.🟦 A 16:9 video frame is 2400 pixels wide. How many pixels tall is it?
33. 33.🟦 An image is 560 × 420 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
34. 34.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
35. 35.🟦 A 16:9 frame is … (a) a perfect square (b) wider than it is tall (c) round (d) taller than wide
36. 36.🟦 An image is 370 pixels wide and 190 pixels tall. How many pixels does it have in all?
37. 37.🟦 You shrink a 40 × 780 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.Which of these best fits 1:1? (a) an old-style monitor (b) an older TV screen (c) a square post (d) a landscape video
39. 39.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
40. 40.🟦 An image is 320 × 240 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3

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