Big Idea 3: BIG IDEA 3Archived

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Describe and analyze properties of two-dimensional shapes.
General Information
Number: MA.3.G.3
Title: BIG IDEA 3
Type: Big Idea
Subject: X-Mathematics (former standards - 2008) - Archived
Grade: 3
Body of Knowledge: Geometry

Related Benchmarks

This cluster includes the following benchmarks.

Related Access Points

This cluster includes the following access points.

Independent

MA.3.G.3.In.a
Identify attributes, including number of sides, curved or straight sides, and number of corners (angles), in two-dimensional shapes.
MA.3.G.3.In.b
Combine (compose) and separate (decompose) two-dimensional shapes to make other shapes.
MA.3.G.3.In.c
Identify two-dimensional shapes that are the same shape and size (congruent).

Supported

MA.3.G.3.Su.a
Sort two-dimensional shapes by single attributes, including numbers of sides and curved or straight sides.
MA.3.G.3.Su.b
Combine (compose) two shapes to make other shapes.
MA.3.G.3.Su.c
Match two-dimensional shapes that are the same shape and size (congruent).

Participatory

MA.3.G.3.Pa.a
Recognize common objects with two-dimensional shapes, such as circle and square.
MA.3.G.3.Pa.b
Recognize two-dimensional shapes, including circle and square, that are the same shape and size (congruent).

Related Resources

Vetted resources educators can use to teach the concepts and skills in this topic.

Image/Photograph

Clipart: Geometric Shapes:

In this lesson, you will find clip art and various illustrations of polygons, circles, ellipses, star polygons, and inscribed shapes.

Type: Image/Photograph

Lesson Plans

Points, Lines, and Angles, Oh My!:

In this lesson, students work to identify points, lines, line segments, rays, angles and perpendicular and parallel lines. Students create webs of yarn and analyze the web for geometric properties listed above. A teacher can select which vocabulary terms are appropriate for the class.

Type: Lesson Plan

Symmetrical Solutions:

Students will use paper cutout and geoboards to find and create lines of symmetry. Students will have the opportunity to work with a partner and independently.

Type: Lesson Plan

Student Resources

Vetted resources students can use to learn the concepts and skills in this topic.

Parent Resources

Vetted resources caregivers can use to help students learn the concepts and skills in this topic.

Image/Photograph

Clipart: Geometric Shapes:

In this lesson, you will find clip art and various illustrations of polygons, circles, ellipses, star polygons, and inscribed shapes.

Type: Image/Photograph