Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 832 · 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.🟦 The resolution of an image is … (a) the font (b) the number of pixels (c) the paper colour (d) the file name
2. 2.🟦 You shrink a 300 × 280 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 An image is 90 pixels wide and 400 pixels tall. How many pixels does it have in all?
4. 4.Which of these best fits 4:3? (a) a laptop film screen (b) a tall phone video (c) an old-style monitor (d) a square post
5. 5.Which of these best fits 9:16? (a) an old-style monitor (b) a tall phone video (c) a widescreen TV (d) a square post
6. 6.🟦 An image is 660 × 440 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
7. 7.Which of these best fits 16:9? (a) an old-style monitor (b) a widescreen slide (c) a square post (d) an older TV screen
8. 8.Which of these best fits 4:3? (a) a widescreen TV (b) a square profile picture (c) a tall phone video (d) an older TV screen
9. 9.🟦 You shrink a 60 × 520 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 An image is 840 × 630 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
11. 11.🟦 An image is 320 pixels wide and 40 pixels tall. How many pixels does it have in all?
12. 12.🟦 An image is 80 pixels wide and 360 pixels tall. How many pixels does it have in all?
13. 13.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
14. 14.🟦 Which aspect ratio best fits an older TV screen? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
15. 15.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
16. 16.🟦 What is a pixel? (a) a type of paper (b) a sound (c) a tiny dot of colour (d) a font size
17. 17.🟦 Which aspect ratio best fits a classic tablet screen? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
18. 18.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) sharper (c) longer (d) louder
19. 19.🟦 An image is 180 pixels wide and 140 pixels tall. How many pixels does it have in all?
20. 20.🟦 Which aspect ratio best fits a square sticker? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
21. 21.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
22. 22.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
23. 23.Which of these best fits 4:3? (a) a classic tablet screen (b) a laptop film screen (c) a landscape video (d) a widescreen TV
24. 24.🟦 An image is 210 pixels wide and 310 pixels tall. How many pixels does it have in all?
25. 25.🟦 An image is 1760 × 990 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 4:3 (d) 16:9
26. 26.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
27. 27.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) sharper (d) more colourful
28. 28.🟦 An image is 380 pixels wide and 130 pixels tall. How many pixels does it have in all?
29. 29.🟦 A photo is 1000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 A 16:9 video frame is 900 pixels tall. How many pixels wide is it?
31. 31.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) a perfect square (d) round
32. 32.🟦 An image is 130 pixels wide and 370 pixels tall. How many pixels does it have in all?
33. 33.🟦 A 16:9 video frame is 810 pixels tall. How many pixels wide is it?
34. 34.🟦 A 16:9 video frame is 3520 pixels wide. How many pixels tall is it?
35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
36. 36.🟦 A 4:3 video frame is 840 pixels wide. How many pixels tall is it?
37. 37.🟦 A 16:9 video frame is 2880 pixels wide. How many pixels tall is it?
38. 38.🟦 An image is 210 pixels wide and 80 pixels tall. How many pixels does it have in all?
39. 39.🟦 A 16:9 video frame is 630 pixels tall. How many pixels wide is it?
40. 40.Which of these best fits 1:1? (a) a tall phone video (b) an upright phone screen (c) a phone story clip (d) a square post

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