Math Curriculum Map

Geometry

Third Grade

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ESSENTIAL QUESTION (optional)

CONCEPTS

SKILLS

ASSESSMENT

RESOURCE

 

 

Analyze characteristics and properties of two- and three dimensional geometric shapes and develop mathematical arguments about geometric relationships

GLE: 1.32

         1.31

*Identify, compare, and analyze attributes of two- and three- dimensional shapes and develop vocabulary to describe the attributes.

* Classify two- and three-dimensional shapes according to their properties and develop definitions of classes of shapes such as triangles and pyramids;

* Investigate, describe, and reason about the results of subdividing, combining, and transforming shapes;

* Explore congruence and similarity;

*Make and test conjectures about geometric properties and relationships and develop logical arguments to justify conclusions

Assessment #7

Assessment # 3

Assessment #2*

 

*Required grade level assessment

Investigations

Math Curriculum

Scott Foresman Math Curriculum

 

 

 

Specify locations and describe spatial relationships using coordinate geometry and other representational systems

GLE: 1.3.1

         1.32

* Describe location and movement using common language and geometric vocabulary;

*Make and use coordinate systems to specify locations and to describe paths;

*Find the distance between points along horizontal and vertical lines of a coordinate system

Assessment #4*

 Investigations

Math Curriculum

Scott Foresman Math Curriculum

 

 

 

Apply transformations and use symmetry to analyze mathematical situations

GLE: 1.3.1

         1.3.2

* Predict and describe the results of sliding, flipping, and turning two-dimensional shapes;

* Describe a motion or a series of motions that will show that two shapes are congruent;

* Identify and describe line and rotational symmetry in two-and three-dimensional shapes and designs

Assessment #1*

 Investigations

Math Curriculum

Scott Foresman Math Curriculum

 

 

 

Use visualization, spatial reasoning, and geometric modeling to solve problems

GLE: 1.5.1

         1.3.2

         2.1.1

* Build and draw geometric objects;

* Create and describe mental images of objects, patterns, and paths;

* Identify and build a three-dimensional object from two-dimensional representations of that object;

* Identify and draw a two-dimensional representation of a three-dimensional object;

* Use geometric models to solve problems in other areas of mathematics, such as number and measurement;

* Recognize geometric ideas and relationships and apply them to other disciplines and to problems that arise in the classroom or in everyday life.

Assessment #6*

 Investigations

Math Curriculum

Scott Foresman Math Curriculum