Copyright © Swun Math Grade 6 Unit 7 Lessons 7-8
Name: ____________________________
Date: ______________________________
Re-Engage
Unit 7 Lessons 7-8: Find the Area of Polygons
Model
1. 2.
( + ) ×
base 1
base 2
height
2
( + ) ×
base 1
base 2
height
2
Structured Guided Practice
Directions: Find the area.
Find the area of the pentagon.
 Decompose the pentagon into 2 smaller polygons.
 Find the area
of the triangle.

Find the area of
the trapezoid.

Add the two
areas together.
+
Area of
polygon #1
Area of
polygon #2
=
Total Area
9 sq units + 10 sq units = 19 sq units
6 × 3
= 9 sq units
base
height
2
( 6 + 4 )
= 10 sq units
base 1
base 2
2
×
2
height
×
base
height
×
base
height
+
Area of
polygon #1
Area of
polygon #2
=
Total Area
Copyright © Swun Math Grade 6 Unit 7 Lessons 7-8
1. 2.
3. 4.
Re-Engage
Unit 7 Lessons 7-8: Find the Area of Polygons
Student Practice
Directions: Find the area.
×
base
height
2
×
base
height
2
+
Area of
polygon #1
Area of
polygon #2
=
Total Area
×
base
height
2
( + ) ×
base 1
base 2
height
2
+
Area of
polygon #1
Area of
polygon #2
=
Total Area
×
base
height
2
( + ) ×
base 1
base 2
height
2
+
Area of
polygon #1
Area of
polygon #2
=
Total Area
×
base
height
×
base
height
+
Area of
polygon #1
Area of
polygon #2
=
Total Area