Order of Operations

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 helps remember the order: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What does PEMDAS stand for?

Back

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

Front

What is the first step in solving the expression: -2 ⋅ (3 + 8 ÷ 4)²?

Back

The first step is to perform the division inside the parentheses: 8 ÷ 4 = 2.

Front

What does 3² mean?

Back

3² means 3 multiplied by itself, which is 3 x 3 = 9.

Front

Calculate: 3² + 4² - (4 x 2). What is the result?

Back

The result is 17.

Front

True or False? 2 x 3 + 10 ÷ 2 = 8

Back

False. The correct calculation is 2 x 3 + 5 = 11.

Front

What is the best equation to show how many pieces of gum Kelly had left after chewing 8 pieces from 15?

Back

The best equation is 15 - 8 = 7.

Front

If you have an expression with parentheses, when should you solve it?

Back

You should solve the expression inside the parentheses first, according to the order of operations.

Front

What is the result of 5 + (2 x 3)?

Back

The result is 11, because you solve the multiplication inside the parentheses first: 2 x 3 = 6, then 5 + 6 = 11.

Front

What is the difference between multiplication and addition in the order of operations?

Back

In the order of operations, multiplication is performed before addition.