Numerical Expressions

Front

What is a numerical expression?

Back

A numerical expression is a mathematical phrase that includes numbers and operation symbols, but does not have an equal sign.

Front

Does an expression have an answer?

Back

No, an expression does not have an answer; it represents a value that can be calculated.

Front

What symbol represents the word 'sum'?

Back

The symbol for 'sum' is +.

Front

What symbol represents the word 'difference'?

Back

The symbol for 'difference' is -.

Front

What symbol represents the word 'product'?

Back

The symbol for 'product' is x.

Front

What symbol represents the word 'quotient'?

Back

The symbol for 'quotient' is ÷.

Front

How do you express 'the quotient of 9 and 3'?

Back

Front

How do you express 'the sum of 7 and 8'?

Back

Front

What is the order of operations in mathematics?

Back

The order of operations is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). This is often remembered by the acronym PEMDAS.

Front

Back

The result is 3.