Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 680 · 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 6-inch-wide print?
2. 2.🟦 You shrink a 620 × 500 pixel image to half its width and half its height. How many pixels does it have now?
3. 3.🟦 A 4:3 video frame is 330 pixels tall. How many pixels wide is it?
4. 4.🟦 An image is 120 pixels wide and 130 pixels tall. How many pixels does it have in all?
5. 5.🟦 A photo is 6000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.🟦 The resolution of an image is … (a) the number of pixels (b) the paper colour (c) the font (d) the file name
7. 7.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) sharper (d) more colourful
8. 8.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 4:3 (c) 1:1 (d) 16:9
9. 9.🟦 You shrink a 120 × 440 pixel image to half its width and half its height. How many pixels does it have now?
10. 10.🟦 A 16:9 video frame is 1080 pixels tall. How many pixels wide is it?
11. 11.🟦 A photo is 4000 × 4000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
12. 12.Which of these best fits 9:16? (a) a widescreen TV (b) an older TV screen (c) a laptop film screen (d) an upright phone screen
13. 13.🟦 You shrink a 360 × 80 pixel image to half its width and half its height. How many pixels does it have now?
14. 14.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
15. 15.🟦 A photo is 3000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
16. 16.🟦 Which aspect ratio best fits an older TV screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9
17. 17.🟦 A 16:9 frame is … (a) a perfect square (b) taller than wide (c) round (d) wider than it is tall
18. 18.🟦 A photo is 2000 × 2500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.🟦 An image is 170 pixels wide and 290 pixels tall. How many pixels does it have in all?
20. 20.🟦 What is a pixel? (a) a sound (b) a tiny dot of colour (c) a font size (d) a type of paper
21. 21.🟦 An image is 60 × 40 pixels. What is its aspect ratio? (a) 16:9 (b) 3:2 (c) 1:1 (d) 4:3
22. 22.🟦 You shrink a 660 × 660 pixel image to half its width and half its height. How many pixels does it have now?
23. 23.🟦 A 4:3 video frame is 600 pixels tall. How many pixels wide is it?
24. 24.🟦 A photo is 2000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
25. 25.🟦 An image is 2560 × 1440 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
26. 26.🟦 Which aspect ratio best fits a widescreen TV? (a) 1:1 (b) 4:3 (c) 16:9 (d) 9:16
27. 27.Which of these best fits 16:9? (a) a classic tablet screen (b) a phone story clip (c) a tall phone video (d) a landscape video
28. 28.Which of these best fits 4:3? (a) a widescreen TV (b) a landscape video (c) a widescreen slide (d) a classic tablet screen
29. 29.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
30. 30.🟦 An image is 280 pixels wide and 80 pixels tall. How many pixels does it have in all?
31. 31.🟦 Which aspect ratio best fits a widescreen slide? (a) 1:1 (b) 16:9 (c) 4:3 (d) 9:16
32. 32.🟦 An image is 40 × 30 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 3:2 (d) 16:9
33. 33.🟦 You shrink a 260 × 220 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 You shrink a 100 × 300 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 An image is 210 pixels wide and 170 pixels tall. How many pixels does it have in all?
36. 36.🟦 Which aspect ratio best fits an upright phone screen? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
37. 37.🟦 An image is 130 pixels wide and 230 pixels tall. How many pixels does it have in all?
38. 38.Which of these best fits 16:9? (a) a square post (b) a widescreen TV (c) an older TV screen (d) an upright phone screen
39. 39.🟦 An image is 270 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 3:2 (c) 16:9 (d) 1:1
40. 40.🟦 A 4:3 video frame is 150 pixels tall. How many pixels wide is it?

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