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 'subtract' mean?

Back

To subtract means to take one number away from another, resulting in a difference.

Front

What is the result of 18 - 4?

Back

The result is 14.

Front

What does 'multiply' mean?

Back

To multiply means to increase a number by another number, which is the same as repeated addition.

Front

What is the order of operations?

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

What is a difference in mathematics?

Back

A difference is the result of subtracting one number from another.

Front

What is the expression for 'subtract 18 and 4, then multiply by 3'?

Back

(18 - 4) x 3.

Front

What does 'divide' mean?

Back

To divide means to split a number into equal parts or groups.

Front

What is the result of 20 ÷ 5?

Back

The result is 4.

Front

What does 'triple' mean?

Back

To triple means to multiply a number by 3.