Investigation Notebook and Reflection Journal (3057.0K)
Investigation Notebook and Reflection Journal (3057.0K)
Investigation Notebook and Reflection Journal (3057.0K)
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LESSON<br />
5.2<br />
Proportions<br />
In Lesson 5.2, I expect to learn:<br />
Think & Discuss<br />
How can you determine whether the points on a graph show a<br />
proportional relationship?<br />
<strong>Investigation</strong> 1<br />
I found this on page .<br />
10 cm<br />
<br />
5 cm<br />
12.5 cm<br />
8 cm<br />
<br />
<br />
10 cm<br />
<br />
16 cm<br />
20 cm <br />
25 cm<br />
<br />
Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.<br />
Develop & Underst<strong>and</strong>: A<br />
1. Are the side lengths of the quadrilateral ABCD proportional to<br />
those of quadrilateral EFGH? Explain how you know.<br />
2. Find the ratio of the sides of the first quadrilateral to the second.<br />
3. Write yes or no to tell whether each set of ratios is proportional.<br />
Explain how you tested to see if each set of ratios was proportional.<br />
3 __<br />
12 ,<br />
__ 15 27<br />
45 ,<br />
__<br />
81<br />
25 ___<br />
100<br />
5__<br />
7 ,<br />
21 __<br />
35<br />
5__<br />
3 , __ 40<br />
24<br />
Lesson 5.2 57
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