Writing Numerical Expressions

Front

What is a numerical expression?

Back

A numerical expression is a mathematical phrase that includes numbers and operations (like addition, subtraction, multiplication, and division) but does not have an equal sign.

Front

What does the term 'sum' mean in mathematics?

Back

The term 'sum' refers to the result of adding two or more numbers together.

Front

What does the term 'product' mean in mathematics?

Back

The term 'product' refers to the result of multiplying two or more numbers together.

Front

What does 'less than' indicate in a numerical expression?

Back

'Less than' indicates subtraction in a numerical expression.

Front

How do you write '20 times the sum of 4 and 2' as a numerical expression?

Back

20 × (4 + 2) is the numerical expression for '20 times the sum of 4 and 2'.

Front

How do you write '4 times the sum of 34 and 8' as a numerical expression?

Back

4 × (34 + 8) is the numerical expression for '4 times the sum of 34 and 8'.

Front

How do you write 'Four less than the product of 14 and 5' as a numerical expression?

Back

(14 × 5) – 4 is the numerical expression for 'Four less than the product of 14 and 5'.

Front

What operation is represented by the symbol '×'?

Back

The symbol '×' represents multiplication.

Front

What operation is represented by the symbol '−'?

Back

The symbol '−' represents subtraction.

Front

What is the first step in solving a numerical expression?

Back

The first step is to identify the operations involved in the expression.