Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 479 · 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.🟦 Zooming in a lot on a small photo makes it look … (a) sharper (b) longer (c) louder (d) blocky (pixelated)
2. 2.🟦 A photo is 4000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
3. 3.🟦 An image is 360 pixels wide and 320 pixels tall. How many pixels does it have in all?
4. 4.🟦 You shrink a 360 × 680 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.Which of these best fits 16:9? (a) an old-style monitor (b) a square post (c) a classic tablet screen (d) a widescreen TV
6. 6.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
7. 7.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
8. 8.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
9. 9.🟦 An image is 130 pixels wide and 270 pixels tall. How many pixels does it have in all?
10. 10.Which of these best fits 9:16? (a) an old-style monitor (b) a square sticker (c) an upright phone screen (d) a classic tablet screen
11. 11.Which of these best fits 4:3? (a) a widescreen slide (b) an album cover (c) a landscape video (d) an older TV screen
12. 12.🟦 An image is 390 pixels wide and 160 pixels tall. How many pixels does it have in all?
13. 13.🟦 A 4:3 video frame is 320 pixels wide. How many pixels tall is it?
14. 14.🟦 An image is 390 pixels wide and 370 pixels tall. How many pixels does it have in all?
15. 15.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) round (d) wider than it is tall
16. 16.Which of these best fits 1:1? (a) a widescreen TV (b) a tall phone video (c) an upright phone screen (d) a square profile picture
17. 17.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
18. 18.🟦 A photo is 3000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.🟦 A 16:9 video frame is 3200 pixels wide. How many pixels tall is it?
20. 20.🟦 An image is 20 × 20 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3
21. 21.🟦 Which aspect ratio best fits an album cover? (a) 4:3 (b) 1:1 (c) 16:9 (d) 9:16
22. 22.🟦 You shrink a 700 × 60 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 An image is 1120 × 630 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
24. 24.Which of these best fits 16:9? (a) a square profile picture (b) a widescreen slide (c) a phone story clip (d) a classic tablet screen
25. 25.Which of these best fits 9:16? (a) a tall phone video (b) an album cover (c) a widescreen slide (d) a square sticker
26. 26.Which of these best fits 9:16? (a) an old-style monitor (b) an older TV screen (c) a phone story clip (d) a widescreen slide
27. 27.Which of these best fits 1:1? (a) a tall phone video (b) a widescreen slide (c) a square post (d) a phone story clip
28. 28.🟦 You shrink a 340 × 220 pixel image to half its width and half its height. How many pixels does it have now?
29. 29.Which of these best fits 4:3? (a) an old-style monitor (b) a landscape video (c) a widescreen slide (d) a square profile picture
30. 30.🟦 What is a pixel? (a) a font size (b) a tiny dot of colour (c) a type of paper (d) a sound
31. 31.🟦 You shrink a 380 × 660 pixel image to half its width and half its height. How many pixels does it have now?
32. 32.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
33. 33.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
34. 34.🟦 A 16:9 video frame is 3680 pixels wide. How many pixels tall is it?
35. 35.🟦 The resolution of an image is … (a) the paper colour (b) the file name (c) the font (d) the number of pixels
36. 36.🟦 An image is 3200 × 1800 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
37. 37.🟦 An image is 220 pixels wide and 340 pixels tall. How many pixels does it have in all?
38. 38.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 16:9 (c) 1:1 (d) 4:3
39. 39.🟦 Stretching a photo only sideways makes people look … (a) squashed or wide (b) sharper (c) more colourful (d) exactly the same
40. 40.🟦 Which aspect ratio best fits a tall phone video? (a) 16:9 (b) 1:1 (c) 4:3 (d) 9:16

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