1. What does the perimeter of a shape represent?

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   The distance around the outside of the shape.
   

2. How can you find the perimeter of the rectangle in Part 1?

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   Add the four side lengths.

3. What is the perimeter of the rectangle?

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   28 inches.
   

4. What does the area of a shape represent?

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   The space inside the shape.
   

5. How can you find the area of the rectangle in Part 1?  

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   Multiply the length by the width.
   

6. What is the area of the rectangle?

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   40 square inches.

7. What type of shape is shown in Part 2?

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   A trapezoid.

8. How can you find the area of a trapezoid?

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   Answers vary. Encourage students to discuss how you can decompose the trapezoid into two triangles and a rectangle.
   

9. What formula can you use to find the area of a triangle?

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   A=\frac{1}{2}bh

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