Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 560 · 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 video frame is 1600 pixels wide. How many pixels tall is it?
2. 2.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) sharper (c) longer (d) blocky (pixelated)
3. 3.🟦 A 16:9 video frame is 1170 pixels tall. How many pixels wide is it?
4. 4.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
6. 6.Which of these best fits 16:9? (a) a square profile picture (b) a laptop film screen (c) a square sticker (d) a square post
7. 7.🟦 An image is 2240 × 1260 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
8. 8.🟦 The resolution of an image is … (a) the paper colour (b) the number of pixels (c) the font (d) the file name
9. 9.🟦 You shrink a 760 × 100 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.Which of these best fits 1:1? (a) a widescreen slide (b) a laptop film screen (c) an album cover (d) an old-style monitor
11. 11.🟦 An image is 50 pixels wide and 300 pixels tall. How many pixels does it have in all?
12. 12.Which of these best fits 4:3? (a) an older TV screen (b) a phone story clip (c) a laptop film screen (d) a landscape video
13. 13.🟦 You shrink a 320 × 320 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 A 16:9 video frame is 810 pixels tall. How many pixels wide is it?
15. 15.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 6-inch-wide print?
16. 16.🟦 An image is 10 × 10 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
17. 17.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) a perfect square (d) round
18. 18.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
19. 19.Which of these best fits 1:1? (a) a square profile picture (b) a laptop film screen (c) a widescreen TV (d) a landscape video
20. 20.Which of these best fits 9:16? (a) a square post (b) a tall phone video (c) a widescreen slide (d) an old-style monitor
21. 21.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) sharper (d) more colourful
22. 22.🟦 A 4:3 video frame is 420 pixels tall. How many pixels wide is it?
23. 23.🟦 A 16:9 video frame is 540 pixels tall. How many pixels wide is it?
24. 24.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a font size (d) a type of paper
25. 25.🟦 An image is 100 × 100 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
26. 26.🟦 A 16:9 video frame is 2070 pixels tall. How many pixels wide is it?
27. 27.🟦 An image is 480 × 320 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
28. 28.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 An image is 300 × 200 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 4:3 (d) 16:9
30. 30.🟦 An image is 760 × 570 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
31. 31.🟦 An image is 120 × 90 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
32. 32.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
33. 33.🟦 A 4:3 video frame is 680 pixels wide. How many pixels tall is it?
34. 34.🟦 A photo is 3000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
35. 35.🟦 An image is 150 pixels wide and 330 pixels tall. How many pixels does it have in all?
36. 36.🟦 A photo is 6000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
37. 37.🟦 Which aspect ratio best fits a square post? (a) 9:16 (b) 1:1 (c) 16:9 (d) 4:3
38. 38.Which of these best fits 16:9? (a) a widescreen slide (b) a tall phone video (c) a classic tablet screen (d) an older TV screen
39. 39.🟦 An image is 40 pixels wide and 380 pixels tall. How many pixels does it have in all?
40. 40.🟦 A 16:9 video frame is 1260 pixels tall. How many pixels wide is it?

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