4.3 - Finding the Area of Polygons

Benchmark

volume 1, pg. 136

MA.7.GR.1.2

Solve mathematical or real–world problems
involving the area of polygons or composite
figures by decomposing them into triangles
or quadrilaterals.

Integrated Mathematical Thinking and
Reasoning Standards

volume 1, pg. 136

MA.K12.MTR.1.1 Actively participate in effortful learning both
individually and collectively.

MA.K12.MTR.2.1 Demonstrate understanding by representing
problems in multiple ways.

MA.K12.MTR.4.1 Engage in discussions that reflect on the
mathematical thinking of self and others.

MA.K12.MTR.5.1 Use patterns and structure to help understand
and connect mathematical concepts.

Learning Targets

volume 1, pg. 136

❑ I can decompose a regular polygon into

triangles to find the area.

❑ I can decompose a regular polygon into

triangles and quadrilaterals to find the
area.

Warm-Up

volume 1, pg. 137

Learning Targets

volume 1, pg. 136

❑ I can decompose a regular polygon into

triangles to find the area.

❑ I can decompose a regular polygon into

triangles and quadrilaterals to find the
area.