Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 215 · 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) taller than wide (b) wider than it is tall (c) round (d) a perfect square
2. 2.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) more colourful (d) exactly the same
3. 3.🟦 Which aspect ratio best fits a widescreen slide? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
4. 4.🟦 A 4:3 video frame is 240 pixels tall. How many pixels wide is it?
5. 5.🟦 You shrink a 160 × 340 pixel image to half its width and half its height. How many pixels does it have now?
6. 6.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
7. 7.🟦 What is a pixel? (a) a font size (b) a type of paper (c) a sound (d) a tiny dot of colour
8. 8.🟦 An image is 290 pixels wide and 320 pixels tall. How many pixels does it have in all?
9. 9.🟦 A 16:9 video frame is 1080 pixels tall. How many pixels wide is it?
10. 10.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
11. 11.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
12. 12.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
13. 13.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
14. 14.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
15. 15.Which of these best fits 1:1? (a) a laptop film screen (b) a landscape video (c) a square post (d) an old-style monitor
16. 16.🟦 An image is 240 × 180 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
17. 17.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) longer (c) louder (d) blocky (pixelated)
18. 18.🟦 An image is 90 × 90 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
19. 19.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
20. 20.🟦 An image is 50 pixels wide and 180 pixels tall. How many pixels does it have in all?
21. 21.Which of these best fits 16:9? (a) a square profile picture (b) a classic tablet screen (c) a tall phone video (d) a widescreen slide
22. 22.Which of these best fits 9:16? (a) a laptop film screen (b) a widescreen TV (c) an old-style monitor (d) a tall phone video
23. 23.🟦 An image is 180 pixels wide and 230 pixels tall. How many pixels does it have in all?
24. 24.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
25. 25.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.🟦 An image is 200 pixels wide and 260 pixels tall. How many pixels does it have in all?
27. 27.🟦 An image is 70 pixels wide and 360 pixels tall. How many pixels does it have in all?
28. 28.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the file name (d) the paper colour
29. 29.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 A 16:9 video frame is 480 pixels wide. How many pixels tall is it?
31. 31.Which of these best fits 4:3? (a) a landscape video (b) a laptop film screen (c) an older TV screen (d) a widescreen slide
32. 32.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
33. 33.🟦 An image is 3200 × 1800 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
34. 34.🟦 You shrink an 80 × 500 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 An image is 310 pixels wide and 290 pixels tall. How many pixels does it have in all?
36. 36.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.Which of these best fits 1:1? (a) a tall phone video (b) an older TV screen (c) a square profile picture (d) a phone story clip
38. 38.Which of these best fits 16:9? (a) a tall phone video (b) a square post (c) an older TV screen (d) a landscape video
39. 39.🟦 You shrink a 160 × 700 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 You shrink a 520 × 280 pixel image to half its width and half its height. How many pixels does it have now?

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