Order of Operations

Front

What is the Order of Operations?

Back

A set of rules that determines the correct sequence to evaluate a mathematical expression.

Front

What does PEMDAS stand for?

Back

Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What is the first step in solving 8 + 2 x 5?

Back

Multiplication: 2 x 5 = 10, then add 8.

Front

True or False? In the expression 4 + 3 x 2, you add before you multiply.

Back

False: You multiply first, then add.

Front

What does 5^2 mean?

Back

5 x 5, which equals 25.

Front

What is the result of 6 + 2 x (3 + 1)?

Back

6 + 2 x 4 = 6 + 8 = 14.

Front

What is the first step in solving -2 x (3 + 8 ÷ 4)^2?

Back

Division: 8 ÷ 4 = 2, then solve inside the parentheses.

Front

Find the error in this calculation: 7 - 2 + 3 = 8.

Back

The error is in the order of operations; it should be 7 - 2 = 5, then 5 + 3 = 8.

Front

What is the value of 3 + 4 x 6 - 4?

Back

First, multiply: 4 x 6 = 24, then 3 + 24 - 4 = 23.

Front

What is the correct order to solve 10 - 2 + 3 x 5?

Back

First, multiplication: 3 x 5 = 15, then 10 - 2 + 15 = 23.