What does the perimeter of a shape represent?
The distance around the outside of the shape.
How can you find the perimeter of the rectangle in Part 1?
Add the four side lengths.
What is the perimeter of the rectangle?
What does the area of a shape represent?
The space inside the shape.
How can you find the area of the rectangle in Part 1?
Multiply the length by the width.
What is the area of the rectangle?
40 square inches.
What type of shape is shown in Part 2?
How can you find the area of a trapezoid?
Answers vary. Encourage students to discuss how you can decompose the trapezoid into two triangles and a rectangle.
What formula can you use to find the area of a triangle?
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