Order of Operations Review

Front

What is the order of operations in mathematics?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed. The acronym PEMDAS is often used: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What does the expression (6 + 2) x (3 + 2) evaluate to?

Back

The expression evaluates to 40.

Front

What does 3^2 mean?

Back

3^2 means 3 multiplied by itself, which is 3 x 3.

Front

In the expression (12 + 10) ÷ 10 x 14 - 6, which operation is performed first?

Back

The first operation performed is addition (12 + 10).

Front

What is the result of the expression 9 - 3 + 4?

Back

The result of the expression is 10.

Front

What is the result of the expression 25 x 2 - 7?

Back

The result of the expression is 43.

Front

What is the purpose of parentheses in mathematical expressions?

Back

Parentheses indicate which operations should be performed first in an expression.

Front

How do you handle multiplication and division in the order of operations?

Back

Multiplication and division are performed from left to right, as they appear in the expression.

Front

How do you handle addition and subtraction in the order of operations?

Back

Addition and subtraction are also performed from left to right, as they appear in the expression.

Front

What is an exponent?

Back

An exponent indicates how many times a number (the base) is multiplied by itself.