Geometry & Area

Grade 6 · Unit 11

Area of Parallelograms & Trapezoids

Decomposition reasoning

Curriculum standard — Understand stage of the Thinking Ladder

Concept first

Area of Parallelograms & Trapezoids begins with meaning — what it is and why it holds — before any procedure. The structure comes first; computation follows.
Definition

Area of Parallelograms & Trapezoids

The precise meaning of this topic, stated in mathematical terms.

A plain-language restatement so the definition is understood, not just memorized.