Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 759 · 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 190 pixels wide and 240 pixels tall. How many pixels does it have in all?
2. 2.🟦 An image is 360 × 240 pixels. What is its aspect ratio? (a) 16:9 (b) 1:1 (c) 4:3 (d) 3:2
3. 3.🟦 An image is 160 pixels wide and 170 pixels tall. How many pixels does it have in all?
4. 4.🟦 A 16:9 frame is … (a) round (b) a perfect square (c) wider than it is tall (d) taller than wide
5. 5.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
6. 6.Which of these best fits 16:9? (a) an old-style monitor (b) a widescreen TV (c) a square sticker (d) a square profile picture
7. 7.Which of these best fits 9:16? (a) an album cover (b) a widescreen slide (c) an upright phone screen (d) an older TV screen
8. 8.🟦 A 16:9 video frame is 1260 pixels tall. How many pixels wide is it?
9. 9.🟦 Which aspect ratio best fits a tall phone video? (a) 9:16 (b) 16:9 (c) 4:3 (d) 1:1
10. 10.Which of these best fits 4:3? (a) a classic tablet screen (b) a widescreen TV (c) a laptop film screen (d) a landscape video
11. 11.🟦 To print sharply at 300 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
12. 12.🟦 Which aspect ratio best fits an old-style monitor? (a) 4:3 (b) 16:9 (c) 9:16 (d) 1:1
13. 13.🟦 An image is 30 pixels wide and 80 pixels tall. How many pixels does it have in all?
14. 14.Which of these best fits 9:16? (a) a laptop film screen (b) an old-style monitor (c) a widescreen TV (d) a tall phone video
15. 15.🟦 Stretching a photo only sideways makes people look … (a) sharper (b) more colourful (c) squashed or wide (d) exactly the same
16. 16.🟦 The resolution of an image is … (a) the file name (b) the font (c) the paper colour (d) the number of pixels
17. 17.🟦 Which aspect ratio best fits an upright phone screen? (a) 1:1 (b) 9:16 (c) 16:9 (d) 4:3
18. 18.🟦 A photo is 3000 × 3000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
19. 19.🟦 An image is 160 × 120 pixels. What is its aspect ratio? (a) 1:1 (b) 16:9 (c) 4:3 (d) 3:2
20. 20.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 3-inch-wide print?
21. 21.🟦 An image is 380 pixels wide and 40 pixels tall. How many pixels does it have in all?
22. 22.🟦 An image is 130 pixels wide and 130 pixels tall. How many pixels does it have in all?
23. 23.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for an 8-inch-wide print?
24. 24.🟦 You shrink a 720 × 440 pixel image to half its width and half its height. How many pixels does it have now?
25. 25.🟦 A photo is 2000 × 1500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
26. 26.Which of these best fits 16:9? (a) a widescreen slide (b) a square post (c) a square sticker (d) an old-style monitor
27. 27.🟦 You shrink a 740 × 780 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 What is a pixel? (a) a tiny dot of colour (b) a font size (c) a sound (d) a type of paper
29. 29.🟦 A 4:3 video frame is 400 pixels wide. How many pixels tall is it?
30. 30.🟦 A 4:3 video frame is 690 pixels tall. How many pixels wide is it?
31. 31.🟦 A photo is 4000 × 3500 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
32. 32.🟦 An image is 120 pixels wide and 240 pixels tall. How many pixels does it have in all?
33. 33.🟦 A 16:9 video frame is 2070 pixels tall. How many pixels wide is it?
34. 34.Which of these best fits 16:9? (a) an older TV screen (b) an upright phone screen (c) a landscape video (d) a tall phone video
35. 35.🟦 An image is 520 × 390 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
36. 36.🟦 An image is 190 pixels wide and 220 pixels tall. How many pixels does it have in all?
37. 37.🟦 An image is 390 pixels wide and 300 pixels tall. How many pixels does it have in all?
38. 38.🟦 Which aspect ratio best fits a classic tablet screen? (a) 16:9 (b) 4:3 (c) 1:1 (d) 9:16
39. 39.Which of these best fits 4:3? (a) an old-style monitor (b) a tall phone video (c) a phone story clip (d) a laptop film screen
40. 40.🟦 A 16:9 video frame is 1120 pixels wide. How many pixels tall is it?

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