Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 247 · 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 120 pixels wide and 80 pixels tall. How many pixels does it have in all?
2. 2.🟦 You shrink a 460 × 620 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 An image is 360 pixels wide and 310 pixels tall. How many pixels does it have in all?
4. 4.🟦 You shrink a 140 × 260 pixel image to half its width and half its height. How many pixels does it have now?
5. 5.🟦 An image is 3360 × 1890 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
6. 6.🟦 A photo is 1000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
7. 7.🟦 The resolution of an image is … (a) the file name (b) the number of pixels (c) the font (d) the paper colour
8. 8.🟦 A 16:9 video frame is 1620 pixels tall. How many pixels wide is it?
9. 9.🟦 A 4:3 video frame is 760 pixels wide. How many pixels tall is it?
10. 10.🟦 A 4:3 video frame is 560 pixels wide. How many pixels tall is it?
11. 11.🟦 Which aspect ratio best fits a laptop film screen? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
12. 12.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a sound (d) a type of paper
13. 13.Which of these best fits 9:16? (a) a landscape video (b) a square sticker (c) a widescreen TV (d) a tall phone video
14. 14.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 2-inch-wide print?
15. 15.Which of these best fits 1:1? (a) a tall phone video (b) a square profile picture (c) a widescreen TV (d) a laptop film screen
16. 16.🟦 An image is 170 pixels wide and 40 pixels tall. How many pixels does it have in all?
17. 17.🟦 Which aspect ratio best fits a tall phone video? (a) 1:1 (b) 4:3 (c) 9:16 (d) 16:9
18. 18.🟦 A photo is 5000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.🟦 A 16:9 video frame is 320 pixels wide. How many pixels tall is it?
20. 20.Which of these best fits 4:3? (a) a classic tablet screen (b) a square sticker (c) a phone story clip (d) a widescreen TV
21. 21.🟦 You shrink a 520 × 520 pixel image to half its width and half its height. How many pixels does it have now?
22. 22.🟦 An image is 360 pixels wide and 120 pixels tall. How many pixels does it have in all?
23. 23.🟦 A 16:9 video frame is 1920 pixels wide. How many pixels tall is it?
24. 24.🟦 A 16:9 video frame is 1890 pixels tall. How many pixels wide is it?
25. 25.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
26. 26.🟦 A photo is 5000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
27. 27.🟦 A photo is 2000 × 1000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
28. 28.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
29. 29.🟦 You shrink a 40 × 680 pixel image to half its width and half its height. How many pixels does it have now?
30. 30.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 5-inch-wide print?
31. 31.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.Which of these best fits 9:16? (a) a square sticker (b) an album cover (c) an upright phone screen (d) an older TV screen
33. 33.Which of these best fits 4:3? (a) an upright phone screen (b) a square post (c) an older TV screen (d) a widescreen TV
34. 34.🟦 A 16:9 frame is … (a) round (b) wider than it is tall (c) a perfect square (d) taller than wide
35. 35.🟦 An image is 310 pixels wide and 240 pixels tall. How many pixels does it have in all?
36. 36.🟦 Which aspect ratio best fits a widescreen TV? (a) 4:3 (b) 9:16 (c) 16:9 (d) 1:1
37. 37.🟦 Which aspect ratio best fits a square profile picture? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
38. 38.🟦 An image is 390 pixels wide and 170 pixels tall. How many pixels does it have in all?
39. 39.🟦 You shrink a 600 × 640 pixel image to half its width and half its height. How many pixels does it have now?
40. 40.🟦 An image is 340 pixels wide and 400 pixels tall. How many pixels does it have in all?

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