Evaluating Expressions

Front

What is an expression in mathematics?

Back

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

Tags

CCSS.6.EE.A.2B

Front

What does it mean to evaluate an expression?

Back

To evaluate an expression means to calculate its value by substituting the variables with their given values.

Tags

CCSS.6.EE.A.2C

Front

Back

49

Tags

CCSS.6.EE.A.2C

Front

Back

32

Tags

CCSS.6.EE.A.2C

Front

Back

60

Tags

CCSS.6.EE.A.2C

Front

Back

7

Tags

CCSS.6.EE.A.2C

Front

Back

27

Tags

CCSS.6.EE.A.2C

Front

What is the order of operations in mathematics?

Back

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

Tags

CCSS.7.NS.A.3

Front

What is a variable in an expression?

Back

A variable is a symbol (usually a letter) that represents an unknown value in an expression or equation.

Tags

CCSS.6.EE.A.2B

Front

What is a coefficient in an expression?

Back

A coefficient is a numerical factor that multiplies a variable in an expression.

Tags

CCSS.6.EE.A.2B