Instructional Video

Area of a Triangle

Curated and Reviewed by Lesson Planet

Base times height or one half base times height ... area formulas are pretty predictable! Given the base and height dimensions of a triangle, a video lesson explains the process of finding the area. Learners have the opportunity to practice the skill with provided example problems.

4 Views 2 Downloads
CCSS: Adaptable
Additional Tags
Instructional Ideas
  • Compare the area of a triangle to the area of a rectangle; cut a rectangle into triangles for a visual comparison
  • Create a graphic organizer to record important formulas and notes
Classroom Considerations
  • Expects familiarity with formulas and triangle dimensions
Pros
  • Emphasizes the importance of units
  • Explains the different order of completing the operations
Cons
  • None