Writing and Evaluating Expressions - Class

Front

What is an expression in mathematics?

Back

An expression is a combination of numbers, variables, and operators (such as +, -, ×, ÷) that represents a value.

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting the variables with numbers and performing the operations.

Front

What is the order of operations?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right) - often remembered by the acronym PEMDAS.

Front

What is a sum?

Back

A sum is the result of adding two or more numbers together.

Front

What is a product?

Back

A product is the result of multiplying two or more numbers together.

Front

What is a quotient?

Back

A quotient is the result of dividing one number by another.

Front

What does it mean to multiply a difference?

Back

To multiply a difference means to take the result of a subtraction and multiply it by another number.

Front

How do you write the expression for 'the sum of 4 and 8 divided by 2'?

Back

Front

What is the expression for '8 more than the quotient of 4 and 2'?

Back

Front

How do you express 'the product of 4 and 2, added to 8'?

Back