Writing words as 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 product of' mean in a numerical expression?

Back

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

Front

How do you write 'fifteen less than' in a numerical expression?

Back

You write 'fifteen less than' by subtracting 15 from another number, for example, 'x - 15'.

Front

What does 'the sum of' indicate in a numerical expression?

Back

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

Front

How do you express 'two times' in a numerical expression?

Back

You express 'two times' by multiplying a number by 2, for example, '2 x x'.

Front

What is the order of operations in mathematics?

Back

The order of operations is the rules that determine the sequence in which calculations are performed: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right). Often remembered as PEMDAS.

Front

How do you write 'add four and nine and then multiply by six' as a numerical expression?

Back

You write it as (4 + 9) x 6.

Front

What does 'combined' mean in a numerical expression?

Back

'Combined' means to add two or more quantities together.

Front

How do you express 'three times as much' in a numerical expression?

Back

You express 'three times as much' by multiplying a number by 3, for example, '3 x x'.

Front

What is the difference between a numerical expression and an equation?

Back

A numerical expression does not have an equal sign, while an equation does have an equal sign and shows that two expressions are equal.