Order of Operations and Exponents

Maria, a mathematician, explains how to solve a math problem using the PEMDAS rule, which stands for Parentheses, Exponents, Multiplication, Division, Addition, and Subtraction. She emphasizes the importance of following the order of operations from left to right, using an example problem to demonstrate each step. The video concludes with the final simplified answer.

What does the acronym PEMDAS stand for?

• Parentheses, Exponents, Multiplication, Division, Addition, Summation

• Parentheses, Exponents, Multiplication, Division, Addition, Simplification

• Parentheses, Exponents, Multiplication, Division, Addition, Subtraction

• Parentheses, Exponents, Multiplication, Division, Algebra, Subtraction

What mnemonic is used to remember the order of operations in PEMDAS?

• Please Excuse My Dear Uncle Sally

• Please Excuse My Dear Aunt Susan

• Please Excuse My Dear Uncle Sam

• Please Excuse My Dear Aunt Sally

In PEMDAS, which operations are performed based on their order from left to right?

• Parentheses and Exponents

• Multiplication and Division, Addition and Subtraction

• Division and Subtraction

• Multiplication and Addition

What is the first step in solving the expression 15 / 3 * 2^2 - 3 + 4?

• Perform division

• Simplify the parentheses

• Perform multiplication

• Calculate the exponents

What is the result of simplifying the exponent 2^2 in the expression?

• 6

• 4

• 2

• 8

After simplifying the parentheses and exponents, what is the next operation to perform in the expression?

• Multiplication

• Addition

• Division

• Subtraction

What is the result of 15 divided by 3 in the expression?

• 6

• 4

• 3

• 5

What is the result of multiplying 5 by 4 in the expression?

• 10

• 15

• 25

• 20

What is the final step in solving the expression 15 / 3 * 2^2 - 3 + 4?

• Division

• Subtraction

• Addition

• Multiplication

What is the simplified answer to the expression 15 / 3 * 2^2 - 3 + 4?

• 15

• 10

• 12

• 13