Mastering the Order of Operations with PEMDAS

The video tutorial explains the order of operations using the mnemonic 'Please Excuse My Dear Aunt Sally' (PEMDAS), which stands for Parentheses, Exponents, Multiplication, Division, Addition, and Subtraction. It highlights the importance of following the left-to-right rule when dealing with multiplication and division, as well as addition and subtraction. An example problem is solved step-by-step to demonstrate these rules in practice.

What does the acronym 'Please Excuse My Dear Aunt Sally' stand for?

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

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

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

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

Which operations are grouped together in the order of operations?

• Multiplication and Division, Addition and Subtraction

• Multiplication and Subtraction, Division and Addition

• Multiplication and Addition, Division and Subtraction

• Multiplication and Division, Subtraction and Addition

When you have both multiplication and division in an expression, how should you proceed?

• Perform multiplication first, then division

• Go from left to right as written

• Perform division first, then multiplication

• Go from right to left as written

What is the hidden rule for handling combinations of addition and subtraction?

• Go from right to left as written

• Perform subtraction first, then addition

• Perform addition first, then subtraction

• Go from left to right as written

In the expression 16 ÷ 4 × (3 + 1), what is the first step?

• Add 3 and 1

• Multiply 4 by 3

• Multiply 16 by 4

• Divide 16 by 4

After solving the parentheses in 16 ÷ 4 × (3 + 1), what is the next step?

• Divide 4 by 16

• Add 4 and 4

• Multiply 4 by 4

• Divide 16 by 4

What is the final result of the expression 16 ÷ 4 × (3 + 1)?

• 4

• 8

• 12

• 16