Order of Operations

Front

What is the Order of Operations?

Back

A set of rules that determines the sequence in which calculations are performed in a mathematical expression. The order is Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

Front

What does PEMDAS stand for?

Back

PEMDAS is an acronym that helps remember the order of operations: Parentheses, Exponents, Multiplication and Division, Addition and Subtraction.

Front

Solve: 10 + 45 ÷ 9 - (14 ÷ 2)

Back

8

Front

Solve: 4 + [5² + (-4 - 1)] ÷ 10

Back

6

Front

Solve: 3 + 27 ÷ (-3)

Back

-6

Front

Solve: (-36) ÷ 9 - 2

Back

-6

Front

Identify the error: 5 - 3 + 2 = 5 - 5 = 0

Back

Addition was done first; you should have subtracted first.

Front

What is the first step in solving an expression using the order of operations?

Back

Evaluate expressions inside parentheses.

Front

What is the role of exponents in the order of operations?

Back

Exponents are calculated after parentheses and before multiplication and division.

Front

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

Back

Perform multiplication and division from left to right.