Pre-Algebra Semester 1 Exam Review

Front

What is the definition of a variable in algebra?

Back

A variable is a symbol, often a letter, that represents one or more numbers.

Front

What is the order of operations in mathematics?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right), often abbreviated as PEMDAS.

Front

What is the formula for the area of a rectangle?

Back

Area = length × width.

Front

What is the cube root of 64?

Back

4.

Front

What is the definition of an equation?

Back

An equation is a mathematical statement that asserts the equality of two expressions.

Front

What does it mean to solve an equation?

Back

To solve an equation means to find the value(s) of the variable(s) that make the equation true.

Front

What is a coefficient in algebra?

Back

A coefficient is a numerical factor in a term of an algebraic expression.

Front

What is the distributive property?

Back

The distributive property states that a(b + c) = ab + ac.

Front

What is the definition of a prime number?

Back

A prime number is a natural number greater than 1 that has no positive divisors other than 1 and itself.

Front

What is the formula for the volume of a cube?

Back

Volume = side³.