A 3.01: Expressions

Front

What does the term 'less than' mean in mathematics?

Back

It means to subtract or take away a quantity from another.

Front

What is a variable in mathematics?

Back

A variable is a symbol, usually a letter, that stands for a number.

Front

Which term means 'addition'?

Back

The term 'total of' means addition.

Front

Back

You should perform multiplication first.

Front

What is the coefficient in the expression 2 - p + 4?

Back

The coefficient is 1, as it is the number in front of the variable p.

Front

What is an algebraic expression?

Back

An algebraic expression is a combination of numbers, variables, and operations.

Front

What does the term 'coefficient' refer to?

Back

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

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equals sign, while an equation does.

Front

What does 'double' mean in mathematical terms?

Back

To double means to multiply a number by 2.

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).