Pre-algebra is a common name for a course in middle school mathematics generally taught between the seventh and ninth grades. The objective of pre-algebra is to prepare the student for the study of algebra.
- Review of natural number arithmetic
- New types of numbers such as integers, fractions, decimals and negative numbers
- Factorization of natural numbers
- Properties of operations (associativity, distributivity and so on)
- Simple (integer) roots and powers
- Rules of evaluation of expressions, such as operator precedence and use of parentheses
- Basics of equations, including rules for invariant manipulation of equations
- Variables and exponentiation





