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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37

Front

What is the sum of two numbers?

Back

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

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1

Front

What is a variable in an expression?

Back

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

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-38

Front

What does the term 'evaluate' mean in mathematics?

Back

To evaluate means to find the numerical value of an expression.

Front

Which expression represents 'the sum of 14 and x'?

Back