Expression or Equation???

Front

What is the difference between an expression and an equation?

Back

An expression is a mathematical phrase that can contain numbers, variables, and operators, but does not have an equality sign. An equation is a statement that two expressions are equal, indicated by an equality sign.

Front

What is an example of a mathematical expression?

Back

34 - 15 is an example of a mathematical expression.

Front

What is an example of a mathematical equation?

Back

4(25) = 100 is an example of a mathematical equation.

Front

What does the term 'evaluate' mean in the context of expressions?

Back

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

Front

What is the significance of the equality sign in an equation?

Back

The equality sign indicates that the two sides of the equation represent the same value.

Front

Can an expression be simplified? If so, how?

Back

Yes, an expression can be simplified by combining like terms and performing operations to reduce it to its simplest form.

Front

What is a variable in mathematics?

Back

A variable is a symbol, often a letter, that represents an unknown value in an expression or equation.

Front

What is the role of parentheses in mathematical expressions?

Back

Parentheses indicate the order of operations, showing which calculations should be performed first.

Front

What is a numerical expression?

Back

A numerical expression is a mathematical phrase that includes numbers and operations but does not contain variables.

Front

What is a verbal expression in mathematics?

Back

A verbal expression describes a mathematical relationship using words, such as 'five times ten is fifty'.