Expressions-Evaluate and Write

Front

What is an expression in mathematics?

Back

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

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22

Front

What does it mean to evaluate an expression?

Back

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

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34.2

Front

What is a variable in an expression?

Back

A variable is a symbol (usually a letter) that represents an unknown value.

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37

Front

What is the quotient in mathematics?

Back

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

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1

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The quotient of five and two tenths and a number (y).

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation states that two expressions are equal.