Choosing the Numerical Expression

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 'difference' mean in mathematics?

Back

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

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

How do you represent 'five times the difference of 6 and 2' mathematically?

Back

5 x (6 - 2) is the correct representation.

Front

How do you represent 'four less than the sum of 7 and 3' mathematically?

Back

(7 + 3) - 4 is the correct representation.

Front

How do you represent 'Dino had $40 and then he spent $12 on a shirt and $20 on pants' mathematically?

Back

$40 - (12 + 20) is the correct representation.

Front

How do you represent 'six times the sum of 12 and 8' mathematically?

Back

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

Front

How do you represent 'multiply 2 and 12, and then subtract 8' mathematically?

Back

(12 x 2) - 8 is the correct representation.

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.