Triangle Explorer Lesson
Triangle Explorer Lesson Plan


Students learn how to calculate the area of triangles using a variety of materials including computer applets.

Standards (NCTM 3-5)


Understand measurable attributes of objects and the units, systems, and processes of measurement

Apply appropriate techniques, tools, and formulas to determine measurements

Student Prerequisites

Teacher Preparation

Students will need:

Lesson Outline

  1. Focus and Review
  2. Objectives
  3. Students will calculate the area of different triangles using a variety of methods.

  4. Guided Practice
  1. Teacher Input

  1. Independent Practice
  1. Closure