Activity
National Council of Teachers of Mathematics

Nctm: Figure This: Patios

For Students 3rd - 8th Standards
Does bigger perimeter mean bigger area? Answer this question when you try this math challenge from the NCTM Math Challenges for Families series. Discover how understanding area and perimeter can be useful in real world situations.
Lesson Plan
National Council of Teachers of Mathematics

The Math Forum: Suzanne Alejandre: Factor Lesson

For Teachers 9th - 10th Standards
Students will discover factoring through the area of a rectangle.