Writing and Evaluating Numerical Expressions

Front

What is a numerical expression?

Back

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

Front

How do you evaluate a numerical expression?

Back

To evaluate a numerical expression, you perform the operations in the correct order, following the order of operations (PEMDAS/BODMAS: Parentheses/Brackets, Exponents/Orders, Multiplication and Division (from left to right), Addition and Subtraction (from left to right)).

Front

What does the term 'sum' refer to in mathematics?

Back

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

Front

What does the term 'difference' refer to in mathematics?

Back

The term 'difference' refers to the result of subtracting one number from another.

Front

What does the term 'product' refer to in mathematics?

Back

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

Front

What does the term 'quotient' refer to in mathematics?

Back

The term 'quotient' refers to the result of dividing one number by another.

Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that dictates the sequence in which operations should be performed in a mathematical expression: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

How would you express 'the sum of three and five times seven' as a numerical expression?

Back

The expression would be written as (3 + 5) × 7.

Front

What is the result of evaluating the expression (5 + 17) ÷ 11?

Back

The result is 2.

Front

What is the result of evaluating the expression 5 × (26 – 13)?

Back

The result is 65.