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#### Description:

This lesson is designed to develop students' understanding of the concept of area and ability to find area of irregular shapes constructed of squares on a grid. This lesson provides links to discussions and activities related to area as well as suggested ways to integrate them into the lesson. Finally, the lesson provides links to follow-up lessons designed for use in succession with the current one. Note, reading level is not indicated because the resource does not include student reading material.

#### Subjects:

• Mathematics > General

English

#### Access Privileges:

Public - Available to anyone

Creative Commons Attribution Non-Commercial Share Alike

#### Collections:

None
Update Standards?

#### CCSS.Math.Content.3.MD.C.6: Common Core State Standards for Mathematics

Measure areas by counting unit squares (square cm, square m, square in, square ft, and improvised units).

#### CCSS.Math.Content.3.MD.C.7c: Common Core State Standards for Mathematics

Use tiling to show in a concrete case that the area of a rectangle with whole-number side lengths a and b + c is the sum of a × b and a × c. Use area models to represent the distributive property in mathematical reasoning.

#### CCSS.Math.Content.3.MD.C.7d: Common Core State Standards for Mathematics

Recognize area as additive. Find areas of rectilinear figures by decomposing them into non-overlapping rectangles and adding the areas of the non-overlapping parts, applying this technique to solve real world problems.

#### CCSS.Math.Content.6.G.A.1: Common Core State Standards for Mathematics

Find the area of right triangles, other triangles, special quadrilaterals, and polygons by composing into rectangles or decomposing into triangles and other shapes; apply these techniques in the context of solving real-world and mathematical problems.
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