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 'sum' mean in mathematics?

Back

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

Front

What does 'product' mean in mathematics?

Back

The product is the result of multiplying two or more numbers together.

Front

What operation is represented by the word 'less than'?

Back

Subtraction (-) is used when you see the word 'less than'.

Front

What operation is represented by the word 'difference'?

Back

Subtraction (-) is used when you see the word 'difference'.

Front

How do you express '6 times the sum of 12 and 8' mathematically?

Back

6 x (12 + 8) is the correct expression.

Front

What is the first step in solving (30 × 2) + (8 × 2)?

Back

Calculate the products: 30 × 2 = 60 and 8 × 2 = 16.

Front

What does it mean to evaluate a numerical expression?

Back

To evaluate a numerical expression means to calculate its value by performing the operations in the correct order.

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), often abbreviated as PEMDAS.

Front

What is an example of a numerical expression?

Back

An example of a numerical expression is 5 + 3 × 2.