Investigation Notebook and Reflection Journal (3057.0K)
Investigation Notebook and Reflection Journal (3057.0K)
Investigation Notebook and Reflection Journal (3057.0K)
You also want an ePaper? Increase the reach of your titles
YUMPU automatically turns print PDFs into web optimized ePapers that Google loves.
<strong>Investigation</strong> 3<br />
Develop & Underst<strong>and</strong>: A <strong>and</strong> B<br />
3. How do proportions help you estimate large quantities?<br />
I found this on page .<br />
To estimate large populations of animals, the<br />
method is often used.<br />
4. Suppose biologists wanted to determine the number of water<br />
snakes around a small isl<strong>and</strong>. They tagged <strong>and</strong> released 64 water<br />
snakes. The next year, they caught 72 water snakes <strong>and</strong> found that<br />
18 of them had tags. Estimate the total number of water snakes<br />
in the area. Explain how you would make an estimate using a<br />
proportion.<br />
5. Complete the drawing below to show how many triangles<br />
should be in square B, if square A is 1 __<br />
4 the size of square B.<br />
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.<br />
Square A<br />
Square B<br />
6. How did you determine the number of triangles that should be<br />
square B?<br />
Lesson 10.2 113
Change language