6th Grade · Geometry
Decompose
6.G.A.1
Definition
To break a figure into smaller, simpler shapes to make area easier to find.
Examples
- Break an L-shape into two rectangles: 5 × 4 = 20 and 8 × 3 = 24, total 44 square units.
- Find each simple area, then add them together.
Key rule
Decomposing breaks a complex figure into shapes you already know how to measure.
Memory hook
Split it into pieces you can handle.