6th Grade · Geometry
Decompose
6.G.A.1
Definition
To break a figure into smaller, simpler shapes to make area easier to find.
Teach it
Where it is taught, with guided notes, practice, homework, an exit ticket and an interactive Teacher Deck.
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.