Order of Operations and Basic Arithmetic

Mr. Peters introduces the concept of order of operations, explaining the PEMDAS acronym, which stands for Parentheses, Exponents, Multiplication, Division, Addition, and Subtraction. He demonstrates how to apply these rules through two example problems, emphasizing the importance of solving operations from left to right when they are of the same precedence. The video concludes with a recap of the key points discussed.

What is the primary purpose of the order of operations?

• To confuse students

• To eliminate the need for calculations

• To make math problems more complex

• To simplify expressions using a specific order

What does the acronym PEMDAS stand for?

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

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

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

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

Which of the following is considered a type of parentheses in PEMDAS?

• Division

• Brackets

• Multiplication

• Exponents

What is the result of 5 to the power of 2?

• 25

• 15

• 10

• 20

In the order of operations, which comes first: multiplication or division?

• Neither, they are done simultaneously

• Division always comes first

• Multiplication always comes first

• Whichever comes first from left to right

When solving an expression, what should you do if both addition and subtraction are present?

• Always add first

• Ignore subtraction

• Always subtract first

• Perform the operation that appears first from left to right

In the expression 35 - 18 ÷ 3 × 2 + 5, which operation should be performed first?

• Subtraction

• Division

• Multiplication

• Addition

What is the result of dividing -18 by 3?

• 6

• -6

• -5

• 5

After performing division in the expression 35 - 18 ÷ 3 × 2 + 5, what is the next step?

• Divide by 2

• Add 5

• Subtract 35

• Multiply by 2

In the expression 2^3 - 5 × (6 + 4) ÷ 2, what should be calculated first?

• 6 + 4

• 5 × (6 + 4)

• 2^3

• Divide by 2