Face (shapes)

Jargon-Free Definition

A flat surface on a solid shape.

QCAA/AC9 Definition

A flat surface of a -dimensional object.

Examples of Word Use in School

  • Count the faces of the prism.
  • Shade one face of the pyramid.
  • Compare the number of faces and edges.

Mathematical Definition

A polygonal surface that forms part of the boundary of a polyhedron.

Jargon-Free Definition

A group of numbers, variables and operations.

QCAA/AC9 Definition

A mathematical phrase made from numbers, variables and operations, without an equals sign.

Examples of Word Use in School

  • Simplify the expression.
  • Evaluate the expression when .
  • Write an expression for the pattern.

Mathematical Definition

A combination of constants, variables, and operations, such as or .