3rd Grade Geometry Vocabulary

A 3-dimensional figure with six square faces of the same size

• cube

• rectangular prism

• prism

• quadrilateral

a round, closed 2-dimensional figure

• cone

• trapezoid

• circle

• triangular prism

Tags

CCSS.1.G.A.1

CCSS.1.G.A.3

the flat surface of a solid shape

• hexagon

• Face

• cone

• circle

Tags

CCSS.2.G.A.1

a shape with 6 straight sides and 6 vertices

• Base

• cube

• face

• hexagon

Tags

CCSS.4.G.A.1

CCSS.4.G.A.2

a quadrilateral with opposide sides parallel

• hexagon

• quadrilateral

• parallelogram

• polygon

Tags

CCSS.4.G.A.1

CCSS.4.G.A.2

the bottom of a 3-dimensional figure

• Base

• cylinder

• trapezoid

• square

Tags

CCSS.6.G.A.4

a 3-dimensional curved figure that has a flat, round base and one vertex

• cylinder

• quadrilateral

• cone

• face

Tags

CCSS.5.MD.C.3

figures, lines or angles that have the exact same shape and equal size

• square

• congruent

• face

• parallelogram

a 3-dimensional figure with 2 cirucular bases and a curved surface

• circle

• vertex

• trapezoid

• cylinder

Tags

CCSS.5.MD.C.3

a line segment formed where to faces meet

• prism

• circle

• edge

• rectangle

Tags

CCSS.4.G.A.1