Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 632 · 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 photo is 1000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
2. 2.🟦 What is a pixel? (a) a font size (b) a sound (c) a tiny dot of colour (d) a type of paper
3. 3.Which of these best fits 16:9? (a) a widescreen slide (b) a phone story clip (c) a square post (d) a tall phone video
4. 4.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
5. 5.🟦 You shrink a 740 × 80 pixel image to half its width and half its height. How many pixels does it have now?
6. 6.🟦 An image is 200 pixels wide and 380 pixels tall. How many pixels does it have in all?
7. 7.🟦 You shrink a 260 × 340 pixel image to half its width and half its height. How many pixels does it have now?
8. 8.Which of these best fits 1:1? (a) a widescreen slide (b) a landscape video (c) a square post (d) an older TV screen
9. 9.🟦 An image is 110 pixels wide and 370 pixels tall. How many pixels does it have in all?
10. 10.🟦 An image is 100 pixels wide and 210 pixels tall. How many pixels does it have in all?
11. 11.🟦 Which aspect ratio best fits a widescreen TV? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
12. 12.🟦 You shrink a 260 × 120 pixel image to half its width and half its height. How many pixels does it have now?
13. 13.🟦 Which aspect ratio best fits a phone story clip? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
14. 14.🟦 A 16:9 frame is … (a) wider than it is tall (b) taller than wide (c) a perfect square (d) round
15. 15.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
16. 16.🟦 An image is 2880 × 1620 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
17. 17.Which of these best fits 1:1? (a) a laptop film screen (b) a widescreen TV (c) an album cover (d) an older TV screen
18. 18.🟦 Zooming in a lot on a small photo makes it look … (a) blocky (pixelated) (b) louder (c) sharper (d) longer
19. 19.🟦 Which aspect ratio best fits a square post? (a) 16:9 (b) 9:16 (c) 1:1 (d) 4:3
20. 20.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
21. 21.🟦 Which aspect ratio best fits an older TV screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
22. 22.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
23. 23.🟦 An image is 160 × 120 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
24. 24.🟦 An image is 70 pixels wide and 50 pixels tall. How many pixels does it have in all?
25. 25.Which of these best fits 16:9? (a) a square sticker (b) a tall phone video (c) an old-style monitor (d) a widescreen TV
26. 26.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) sharper (d) more colourful
27. 27.🟦 You shrink a 520 × 380 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 A photo is 3000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
29. 29.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 1:1 (c) 9:16 (d) 4:3
30. 30.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
31. 31.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
32. 32.Which of these best fits 4:3? (a) a widescreen TV (b) a square post (c) a widescreen slide (d) a classic tablet screen
33. 33.Which of these best fits 1:1? (a) an old-style monitor (b) a tall phone video (c) a square sticker (d) a widescreen slide
34. 34.🟦 A 16:9 video frame is 540 pixels tall. How many pixels wide is it?
35. 35.🟦 An image is 320 × 180 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
36. 36.Which of these best fits 4:3? (a) an old-style monitor (b) a landscape video (c) a phone story clip (d) a laptop film screen
37. 37.🟦 An image is 100 pixels wide and 140 pixels tall. How many pixels does it have in all?
38. 38.🟦 A 4:3 video frame is 480 pixels wide. How many pixels tall is it?
39. 39.🟦 You shrink a 260 × 160 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 An image is 120 × 120 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 3:2 (d) 4:3

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