Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 156 · 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 4:3? (a) a square sticker (b) a laptop film screen (c) an album cover (d) an older TV screen
2. 2.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
3. 3.Which of these best fits 9:16? (a) an upright phone screen (b) a square sticker (c) an older TV screen (d) a laptop film screen
4. 4.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
5. 5.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a sound (d) a type of paper
6. 6.🟦 A 16:9 video frame is 3200 pixels wide. How many pixels tall is it?
7. 7.🟦 You shrink a 160 × 100 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.🟦 Which aspect ratio best fits a laptop film screen? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
9. 9.Which of these best fits 9:16? (a) an old-style monitor (b) a tall phone video (c) an older TV screen (d) a laptop film screen
10. 10.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
11. 11.Which of these best fits 9:16? (a) an old-style monitor (b) a square profile picture (c) a square sticker (d) a phone story clip
12. 12.🟦 An image is 60 × 60 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 1:1 (d) 4:3
13. 13.🟦 A 16:9 video frame is 810 pixels tall. How many pixels wide is it?
14. 14.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) sharper (c) more colourful (d) squashed or wide
15. 15.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.🟦 An image is 210 pixels wide and 160 pixels tall. How many pixels does it have in all?
17. 17.🟦 Which aspect ratio best fits an album cover? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
18. 18.🟦 A 4:3 video frame is 630 pixels tall. How many pixels wide is it?
19. 19.Which of these best fits 4:3? (a) a square post (b) an old-style monitor (c) a square profile picture (d) a square sticker
20. 20.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 4-inch-wide print?
21. 21.🟦 You shrink a 360 × 520 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
23. 23.🟦 An image is 110 pixels wide and 300 pixels tall. How many pixels does it have in all?
24. 24.🟦 A 4:3 video frame is 120 pixels wide. How many pixels tall is it?
25. 25.Which of these best fits 16:9? (a) a tall phone video (b) a landscape video (c) a square profile picture (d) a square post
26. 26.🟦 Which aspect ratio best fits a square sticker? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
27. 27.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
28. 28.Which of these best fits 1:1? (a) a landscape video (b) a square post (c) an old-style monitor (d) an older TV screen
29. 29.Which of these best fits 16:9? (a) a tall phone video (b) a square profile picture (c) a square sticker (d) a widescreen TV
30. 30.🟦 An image is 30 pixels wide and 140 pixels tall. How many pixels does it have in all?
31. 31.🟦 A photo is 3000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 An image is 350 pixels wide and 200 pixels tall. How many pixels does it have in all?
33. 33.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
34. 34.🟦 An image is 140 × 140 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
35. 35.🟦 An image is 920 × 690 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
36. 36.🟦 The resolution of an image is … (a) the font (b) the paper colour (c) the number of pixels (d) the file name
37. 37.🟦 An image is 40 pixels wide and 80 pixels tall. How many pixels does it have in all?
38. 38.Which of these best fits 4:3? (a) a widescreen TV (b) a widescreen slide (c) a square sticker (d) a classic tablet screen
39. 39.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
40. 40.🟦 An image is 210 pixels wide and 150 pixels tall. How many pixels does it have in all?

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