Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 55 · 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.🟦 You shrink an 800 × 280 pixel image to half its width and half its height. How many pixels does it have now?
2. 2.🟦 An image is 160 pixels wide and 100 pixels tall. How many pixels does it have in all?
3. 3.Which of these best fits 16:9? (a) a widescreen slide (b) an old-style monitor (c) an upright phone screen (d) a square profile picture
4. 4.🟦 A 4:3 video frame is 480 pixels tall. How many pixels wide is it?
5. 5.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
6. 6.🟦 The resolution of an image is … (a) the font (b) the paper colour (c) the number of pixels (d) the file name
7. 7.🟦 You shrink a 520 × 800 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 What is a pixel? (a) a sound (b) a font size (c) a type of paper (d) a tiny dot of colour
9. 9.🟦 An image is 390 pixels wide and 230 pixels tall. How many pixels does it have in all?
10. 10.Which of these best fits 16:9? (a) a square post (b) an upright phone screen (c) a classic tablet screen (d) a laptop film screen
11. 11.Which of these best fits 1:1? (a) a tall phone video (b) a classic tablet screen (c) a phone story clip (d) a square profile picture
12. 12.Which of these best fits 9:16? (a) an older TV screen (b) a laptop film screen (c) a classic tablet screen (d) a phone story clip
13. 13.🟦 Which aspect ratio best fits a square profile picture? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
14. 14.🟦 Which aspect ratio best fits an old-style monitor? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
15. 15.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) exactly the same (d) more colourful
16. 16.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
17. 17.🟦 You shrink a 380 × 720 pixel image to half its width and half its height. How many pixels does it have now?
18. 18.Which of these best fits 4:3? (a) a widescreen TV (b) a phone story clip (c) a tall phone video (d) an older TV screen
19. 19.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
20. 20.🟦 An image is 400 pixels wide and 20 pixels tall. How many pixels does it have in all?
21. 21.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) wider than it is tall (d) a perfect square
22. 22.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
23. 23.🟦 An image is 80 pixels wide and 220 pixels tall. How many pixels does it have in all?
24. 24.🟦 An image is 960 × 540 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 1:1 (d) 16:9
25. 25.🟦 An image is 40 pixels wide and 280 pixels tall. How many pixels does it have in all?
26. 26.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
27. 27.🟦 An image is 720 × 540 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
28. 28.🟦 A 4:3 video frame is 150 pixels tall. How many pixels wide is it?
29. 29.🟦 A 16:9 video frame is 1170 pixels tall. How many pixels wide is it?
30. 30.Which of these best fits 9:16? (a) an upright phone screen (b) a widescreen TV (c) an older TV screen (d) a widescreen slide
31. 31.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
32. 32.🟦 A photo is 4000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.Which of these best fits 1:1? (a) a phone story clip (b) a landscape video (c) a widescreen slide (d) an album cover
34. 34.🟦 An image is 290 pixels wide and 300 pixels tall. How many pixels does it have in all?
35. 35.🟦 An image is 110 pixels wide and 160 pixels tall. How many pixels does it have in all?
36. 36.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
38. 38.🟦 An image is 300 pixels wide and 330 pixels tall. How many pixels does it have in all?
39. 39.🟦 Which aspect ratio best fits a square sticker? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
40. 40.Which of these best fits 9:16? (a) a widescreen slide (b) a tall phone video (c) a widescreen TV (d) a square sticker

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