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 evaluate an expression with parentheses?

Back

To evaluate an expression with parentheses, first perform the operations inside the parentheses before applying any other operations according to the Order of Operations.

Front

What is the value of 2 raised to the power of 7?

Back

2 raised to the power of 7 is 128.

Front

What is the value of 7 squared?

Back

7 squared is 49.

Front

In the expression (2 + 7 - 1) ÷ 2², what operation should be performed first?

Back

The operation inside the parentheses (2 + 7 - 1) should be performed first.

Front

What is the result of 18 + (6 – 2) × 2?

Back

The result is 26.

Front

How do you handle multiplication and division in an expression?

Back

Multiplication and division are performed from left to right as they appear in the expression.

Front

What is the result of 4 + 2 × 8?

Back

The result is 20.

Front

What is the value of 3 raised to the power of 4?

Back

3 raised to the power of 4 is 81.