Simplifying an expression with four operations- Online Math Tutor-Simplify

The video tutorial explains how to simplify expressions using the order of operations, known as PEMDAS. It begins with operations inside parentheses, followed by handling exponents. The tutorial emphasizes the importance of performing multiplication and division before addition and subtraction, while maintaining a left-to-right order. The video concludes with a reminder of the PEMDAS rule.

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

• Perform multiplication and division

• Evaluate exponents

• Solve operations inside parentheses

• Add and subtract from left to right

When simplifying an expression, what should you do after handling parentheses?

• Add and subtract

• Multiply and divide

• Evaluate exponents

• Rearrange terms

What is the result of 4 squared?

• 20

• 16

• 12

• 8

Why is it important to follow the left-to-right rule in division and subtraction?

• It is a mathematical tradition

• It makes calculations faster

• It helps in memorizing formulas

• It ensures the correct order of operations

In the expression 16 - 3 times -2, what operation should be performed first?

• Addition

• Division

• Multiplication

• Subtraction