Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 222 · 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.🟦 An image is 180 pixels wide and 180 pixels tall. How many pixels does it have in all?
2. 2.🟦 You shrink a 360 × 200 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.Which of these best fits 1:1? (a) a square sticker (b) a classic tablet screen (c) a widescreen TV (d) an older TV screen
4. 4.🟦 A 4:3 video frame is 840 pixels wide. How many pixels tall is it?
5. 5.🟦 An image is 390 pixels wide and 30 pixels tall. How many pixels does it have in all?
6. 6.🟦 Zooming in a lot on a small photo makes it look … (a) louder (b) longer (c) sharper (d) blocky (pixelated)
7. 7.Which of these best fits 16:9? (a) an upright phone screen (b) a tall phone video (c) a laptop film screen (d) a square post
8. 8.🟦 The resolution of an image is … (a) the file name (b) the number of pixels (c) the paper colour (d) the font
9. 9.🟦 A photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
10. 10.🟦 Which aspect ratio best fits a widescreen TV? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
11. 11.🟦 A 16:9 video frame is 640 pixels wide. How many pixels tall is it?
12. 12.Which of these best fits 1:1? (a) a widescreen slide (b) a square profile picture (c) a tall phone video (d) a classic tablet screen
13. 13.🟦 An image is 290 pixels wide and 150 pixels tall. How many pixels does it have in all?
14. 14.🟦 A photo is 4000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
15. 15.🟦 An image is 170 × 170 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
16. 16.Which of these best fits 4:3? (a) a tall phone video (b) a widescreen slide (c) a phone story clip (d) a classic tablet screen
17. 17.Which of these best fits 1:1? (a) a tall phone video (b) a square post (c) a landscape video (d) a classic tablet screen
18. 18.🟦 An image is 80 pixels wide and 290 pixels tall. How many pixels does it have in all?
19. 19.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
20. 20.🟦 You shrink a 600 × 140 pixel image to half its width and half its height. How many pixels does it have now?
21. 21.🟦 A 4:3 video frame is 200 pixels wide. How many pixels tall is it?
22. 22.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) more colourful (d) sharper
23. 23.🟦 Which aspect ratio best fits a square post? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
24. 24.Which of these best fits 4:3? (a) a laptop film screen (b) an older TV screen (c) a widescreen TV (d) a landscape video
25. 25.Which of these best fits 1:1? (a) a widescreen TV (b) a landscape video (c) an album cover (d) a widescreen slide
26. 26.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
28. 28.🟦 What is a pixel? (a) a font size (b) a sound (c) a type of paper (d) a tiny dot of colour
29. 29.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
30. 30.🟦 An image is 20 × 20 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
31. 31.🟦 A 16:9 frame is … (a) round (b) taller than wide (c) a perfect square (d) wider than it is tall
32. 32.🟦 An image is 130 pixels wide and 330 pixels tall. How many pixels does it have in all?
33. 33.🟦 An image is 40 × 30 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
34. 34.🟦 Which aspect ratio best fits a landscape video? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
35. 35.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
36. 36.🟦 Which aspect ratio best fits a square sticker? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
37. 37.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
39. 39.🟦 An image is 80 pixels wide and 260 pixels tall. How many pixels does it have in all?
40. 40.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9

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