Order of Operations

Front

What is the Order of Operations in mathematics?

Back

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

Front

What does the acronym PEMDAS stand for?

Back

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

Front

How do you solve an expression with parentheses?

Back

You solve expressions with parentheses first, performing the operations inside the parentheses before applying the Order of Operations to the rest of the expression.

Front

What is the result of 30 ÷ 10?

Back

The result of 30 ÷ 10 is 3.

Front

What is the result of 9 squared (9^2)?

Back

The result of 9 squared (9^2) is 81.

Front

How do you handle multiplication and division in an expression?

Back

Multiplication and division are handled from left to right as they appear in the expression, according to the Order of Operations.

Front

What is the result of 5 squared (5^2)?

Back

The result of 5 squared (5^2) is 25.

Front

How do you solve the expression 16 ÷ 2 x 4 - 3?

Back

First, divide 16 by 2 to get 8, then multiply by 4 to get 32, and finally subtract 3 to get 29.

Front

What is the result of 90 - 5^2 x 3?

Back

First, calculate 5^2 to get 25, then multiply by 3 to get 75, and finally subtract from 90 to get 15.

Front

What is the result of 12 / (4 - 2)?

Back

The result of 12 / (4 - 2) is 6, since 4 - 2 equals 2, and 12 divided by 2 equals 6.