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Practice Workbook SE - East Penn School District

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Name<br />

LESSON 25.6<br />

Problem Solving Strategy<br />

Find a Pattern<br />

Use find a pattern to solve.<br />

1. Alexis is going to put carpet in three rectangular rooms in her house.<br />

How do the areas of the rooms change if each room is two times as long<br />

and three times as wide as the one before it? Make a table to show how<br />

the areas change. Then solve.<br />

Room 1: l 4 yd,<br />

Room 2: l 8 yd,<br />

w 2 yd<br />

w 6 yd<br />

Room 3: l 16 yd, w 18 yd<br />

2. Douglas has different sizes of rectangular picture frames. How does the<br />

perimeter change for each of his picture frames when the width<br />

increases by 5 inches? Complete the table and solve.<br />

© Harcourt<br />

Picture Frame Sizes<br />

Length (in.) Width (in.) Perimeter (in.)<br />

Frame A 12 10<br />

Frame B 12 15<br />

Frame C 12 20<br />

Frame D 12 25<br />

Mixed Review<br />

3. 15 7 4. 121 11 5. 42 8 <br />

<strong>Practice</strong><br />

PW143

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