Order of Operations

Front

What is the Order of Operations?

Back

A set of rules that tells us 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 do you do first in the Order of Operations?

Back

Always solve expressions inside Parentheses first.

Front

What is the result of 10 + 5 x 5?

Back

35 (because you do multiplication before addition).

Front

What is the result of (12 - 5) x (3 + 1)?

Back

28 (solve inside parentheses first, then multiply).

Front

What is the result of (2 x 5) + (3 - 1)?

Back

12 (multiply first, then add).

Front

What is the result of 30 - 10 x 2?

Back

10 (multiply first, then subtract).

Front

What is the result of 3 + 5 x 6?

Back

33 (multiply first, then add).

Front

What is the importance of the Order of Operations?

Back

It ensures that everyone solves mathematical expressions the same way.

Front

What do you do if there are no parentheses in an expression?

Back

Start with multiplication and division from left to right, then do addition and subtraction.