Definitions
2D Shapes
3D Shapes
Vertices, Faces, and Edges
Nets
100
What is the mathematical term for "corners" of 3D shapes?
vertices / vertex
100
The general name for 2D shapes with four sides and four vertices.
quadrilateral
100
8 vertices
6 square faces
12 edges
cube
100
The number of vertices in a cube.
8
100
What shape does this net make?
cube
200
What is the name for the line that is formed where two faces meet?
Edge
200
The name of 2D shape with 5 sides and 5 vertices
pentagon
200
0 vertices
3 faces
2 edges
The base is a circle.
cylinder
200
The number of faces on a triangular prism
5 faces
200
What shape does this net make?
a cone
300
What is the name for a flat surface of a solid?
Face
300
The name for a triangle whose sides are all different lengths.
Scalene Triangle
300
6 vertices
6 faces
10 edges
Pentagonal Pyramid
300
The number of edges on a hexagonal prism.
18
300
What shape does this net form?
triangular pyramid
400
The name of a 3D shape that has 5 triangular faces and on pentagonal base.
Pentagonal Pyramid
400
The name for a triangle that has two acute angles and one obtuse angle.
Obtuse Triangle
400
12 vertex
8 face
18 edges
Hexagonal Prism
400
The number of vertices on a triangular pyramid.
4
400
Triangular Prism
500
What is the name for a 3D shape that has eight equilateral triangle faces?
Octahedron
500
The name of a quadrilateral that has one pair of parallel sides.
Trapezoid
500
6 Vertices
5 Faces
9 Edges
Triangular prism
500
On any prism or pyramid, the number of faces + vertices - edges =____
2
500
Rectangular prism