Number Prefixes
2D Shapes
3D Shapes
Vocabulary
100

It's the Latin prefix for the number 3

Tri

100

It's a three-sided, regular polygon.

Triangle

100

It's a prism with three faces, and two circle-shaped bases.

Cylinder

100

When two lines intersect they form a _______.

Vertex or Point

200

It's the Latin prefix for the number 6

Hex

200

It's a quadrilateral, with all equal length sides.

Square

200

It's a flat based shape, with 5 faces, 8 edges, and 5 vertices. It comes to a point, and is particularly famous in the country of Egypt.

Pyramid

200

Two polygons that are the same shape and size are called this;

Congruent

300

It's the Latin prefix for the number 8

Oct

300

It's a quadrilateral, with two parallel lines, and two angled lines.

Trapezoid

300

It has 6 square-shaped faces, that are all congruent to each-other.

Cube

300

When two lines run alongside each-other and never intersect, they are _______.

Parallel

400

It's the Latin prefix for the number 9

Nona

400

It's a quadrilateral, with two straight parallel lines, and two diagonal parallel lines.

Parallelogram or Rhombus

400

This shape has one face. Some real world examples include the basketball, baseball and volleyball!

Sphere

400

A group of polygons that do not have equal sides.

Irregular Polygons

500

It's the Latin prefix for the number 10

Deca

500

It's a 7-sided shape with 7 vertices.

Heptagon

500
A popular real-world example of this shape is the soccer ball! It has 20 triangular faces, 30 edges, and 12 vertices.

Icosahedron

500

The title for a shape that has length, width, and height.

3D (Three-dimensional)