Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 717 · 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.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
2. 2.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
3. 3.🟦 Which aspect ratio best fits an album cover? (a) 16:9 (b) 9:16 (c) 4:3 (d) 1:1
4. 4.🟦 A photo is 3000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
5. 5.Which of these best fits 1:1? (a) a square profile picture (b) a classic tablet screen (c) a tall phone video (d) a widescreen TV
6. 6.🟦 A photo is 6000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
8. 8.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
9. 9.Which of these best fits 16:9? (a) a landscape video (b) a square profile picture (c) an old-style monitor (d) a square post
10. 10.Which of these best fits 1:1? (a) an upright phone screen (b) an older TV screen (c) an album cover (d) a landscape video
11. 11.🟦 Which aspect ratio best fits an upright phone screen? (a) 16:9 (b) 4:3 (c) 9:16 (d) 1:1
12. 12.Which of these best fits 4:3? (a) an older TV screen (b) a landscape video (c) a square sticker (d) a phone story clip
13. 13.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
14. 14.Which of these best fits 16:9? (a) a square profile picture (b) a laptop film screen (c) an old-style monitor (d) a classic tablet screen
15. 15.🟦 An image is 180 × 120 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 3:2 (d) 4:3
16. 16.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) squashed or wide (c) more colourful (d) exactly the same
17. 17.🟦 What is a pixel? (a) a font size (b) a sound (c) a type of paper (d) a tiny dot of colour
18. 18.🟦 A 16:9 video frame is 450 pixels tall. How many pixels wide is it?
19. 19.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) round (d) wider than it is tall
20. 20.🟦 Which aspect ratio best fits a tall phone video? (a) 4:3 (b) 1:1 (c) 9:16 (d) 16:9
21. 21.🟦 An image is 20 × 20 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
22. 22.🟦 An image is 40 pixels wide and 120 pixels tall. How many pixels does it have in all?
23. 23.🟦 You shrink a 720 × 80 pixel image to half its width and half its height. How many pixels does it have now?
24. 24.Which of these best fits 9:16? (a) a widescreen slide (b) a square post (c) an old-style monitor (d) a tall phone video
25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
26. 26.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 12-inch-wide print?
27. 27.🟦 A photo is 4000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
29. 29.🟦 A photo is 6000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
30. 30.🟦 You shrink a 40 × 700 pixel image to half its width and half its height. How many pixels does it have now?
31. 31.🟦 Which aspect ratio best fits a square profile picture? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
32. 32.🟦 An image is 720 × 480 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 4:3 (d) 1:1
33. 33.🟦 An image is 190 × 190 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
34. 34.🟦 An image is 230 pixels wide and 120 pixels tall. How many pixels does it have in all?
35. 35.🟦 Which aspect ratio best fits a landscape video? (a) 1:1 (b) 16:9 (c) 9:16 (d) 4:3
36. 36.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 11-inch-wide print?
37. 37.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
38. 38.🟦 A 16:9 video frame is 1620 pixels tall. How many pixels wide is it?
39. 39.🟦 A 4:3 video frame is 150 pixels tall. How many pixels wide is it?
40. 40.🟦 A 4:3 video frame is 90 pixels tall. How many pixels wide is it?

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