Parallel lines

Parallelogram

Percent

Perfect square

Perimeter

Permutation

Perpendicular bisector

Perpendicular lines

Pi

Place value

Plane

Point

Polygon

Polyhedron

Polynomial

Positive numbers

Power

Prime factorization

Prime factor

Prime number

Principal

Prism

Probability

Product

Proof

Property of zero for multiplication

Proportion

Protractor

Pythagorean theorem