Surround and Be Found! Triangular Areas, That Is!

Tenth graders investigate area of a triangle. In this geometry lesson, 10th graders explore the technique of finding the area of a triangle by surrounding them with rectangles and subtracting right-triangle areas. The lesson uses a geoboard application in the exploration process.

10th Math 3 Views 17 Downloads
Resource Details

Subjects
Math
1 more...
Resource Type
Lesson Plans
Instructional Strategy
Inquiry-Based Learning
Technology
Calculator
Year
2001

What Members Say


Nanette S.
Lesson Planet is a wonderful resource. I can easily search for lesson ideas and love the great printables. Lesson Planet has cut down on my planning time because I can usually find tried and true lessons on any subject. Why reinvent the wheel?
Nanette S., Teacher
Northfield, VT