Graphic Design Worksheet: Pixels and Image Size

Animation and design lesson 14: Pixels and image size · Set 331 · 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.Which of these best fits 9:16? (a) an old-style monitor (b) a phone story clip (c) a landscape video (d) an older TV screen
2. 2.🟦 An image is 3040 × 1710 pixels. What is its aspect ratio? (a) 1:1 (b) 4:3 (c) 16:9 (d) 3:2
3. 3.🟦 An image is 840 × 630 pixels. What is its aspect ratio? (a) 1:1 (b) 3:2 (c) 16:9 (d) 4:3
4. 4.🟦 Which aspect ratio best fits a widescreen slide? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
5. 5.🟦 A photo is 1000 × 2000 pixels. How many megapixels is that (1 megapixel = 1000000 pixels)? =
6. 6.🟦 A 16:9 video frame is 800 pixels wide. How many pixels tall is it?
7. 7.🟦 A 4:3 video frame is 420 pixels tall. How many pixels wide is it?
8. 8.🟦 You shrink a 260 × 360 pixel image to half its width and half its height. How many pixels does it have now?
9. 9.🟦 Stretching a photo only sideways makes people look … (a) exactly the same (b) squashed or wide (c) sharper (d) more colourful
10. 10.🟦 Which aspect ratio best fits a phone story clip? (a) 4:3 (b) 9:16 (c) 1:1 (d) 16:9
11. 11.🟦 An image is 320 × 240 pixels. What is its aspect ratio? (a) 3:2 (b) 4:3 (c) 16:9 (d) 1:1
12. 12.Which of these best fits 16:9? (a) an old-style monitor (b) an older TV screen (c) a square sticker (d) a widescreen slide
13. 13.🟦 An image is 320 × 180 pixels. What is its aspect ratio? (a) 4:3 (b) 1:1 (c) 16:9 (d) 3:2
14. 14.Which of these best fits 1:1? (a) a laptop film screen (b) a widescreen slide (c) a landscape video (d) a square profile picture
15. 15.🟦 What is a pixel? (a) a sound (b) a type of paper (c) a font size (d) a tiny dot of colour
16. 16.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 7-inch-wide print?
17. 17.🟦 A 4:3 video frame is 720 pixels wide. How many pixels tall is it?
18. 18.🟦 Which aspect ratio best fits a classic tablet screen? (a) 9:16 (b) 4:3 (c) 16:9 (d) 1:1
19. 19.🟦 An image is 160 pixels wide and 130 pixels tall. How many pixels does it have in all?
20. 20.🟦 An image is 3200 × 1800 pixels. What is its aspect ratio? (a) 3:2 (b) 16:9 (c) 4:3 (d) 1:1
21. 21.🟦 A 4:3 video frame is 160 pixels wide. How many pixels tall is it?
22. 22.🟦 An image is 70 pixels wide and 50 pixels tall. How many pixels does it have in all?
23. 23.🟦 An image is 240 × 180 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
24. 24.🟦 A 16:9 video frame is 1080 pixels tall. How many pixels wide is it?
25. 25.🟦 A 16:9 frame is … (a) taller than wide (b) round (c) a perfect square (d) wider than it is tall
26. 26.🟦 A 16:9 video frame is 1800 pixels tall. How many pixels wide is it?
27. 27.🟦 You shrink a 380 × 800 pixel image to half its width and half its height. How many pixels does it have now?
28. 28.🟦 An image is 20 pixels wide and 400 pixels tall. How many pixels does it have in all?
29. 29.🟦 To print sharply at 150 pixels per inch, how many pixels wide must a photo be for a 9-inch-wide print?
30. 30.🟦 An image is 90 pixels wide and 350 pixels tall. How many pixels does it have in all?
31. 31.🟦 An image is 600 × 400 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 1:1 (d) 3:2
32. 32.🟦 A 4:3 video frame is 440 pixels wide. How many pixels tall is it?
33. 33.🟦 You shrink a 660 × 420 pixel image to half its width and half its height. How many pixels does it have now?
34. 34.🟦 You shrink a 420 × 260 pixel image to half its width and half its height. How many pixels does it have now?
35. 35.🟦 An image is 300 pixels wide and 90 pixels tall. How many pixels does it have in all?
36. 36.🟦 An image is 3680 × 2070 pixels. What is its aspect ratio? (a) 3:2 (b) 1:1 (c) 16:9 (d) 4:3
37. 37.🟦 You shrink a 320 × 200 pixel image to half its width and half its height. How many pixels does it have now?
38. 38.🟦 An image is 160 × 90 pixels. What is its aspect ratio? (a) 16:9 (b) 4:3 (c) 3:2 (d) 1:1
39. 39.🟦 Which aspect ratio best fits a landscape video? (a) 4:3 (b) 16:9 (c) 1:1 (d) 9:16
40. 40.🟦 Which aspect ratio best fits an upright phone screen? (a) 9:16 (b) 1:1 (c) 4:3 (d) 16:9

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