Order of Operations and Exponents

This video tutorial covers the order of operations using the acronym GEMDAS, which stands for Grouping, Exponents, Multiplication, Division, Addition, and Subtraction. The lesson begins with a review of basic operations and progresses to more complex expressions involving exponents and grouping symbols. Through various examples, students learn to apply the correct order of operations to solve mathematical expressions accurately. The tutorial emphasizes the importance of evaluating expressions within parentheses first, regardless of the location of exponents.

What does the 'G' in GEMDAS stand for?

• Grouping

• Gradient

• Geometry

• Graphing

When solving expressions with only addition, subtraction, multiplication, and division, which operations are performed first?

• Addition and Multiplication

• Division and Subtraction

• Multiplication and Division

• Addition and Subtraction

In the expression 4 + 2 * 7, which operation should be performed first?

• Division

• Addition

• Multiplication

• Subtraction

What is the result of 36 divided by 3 times 4?

• 24

• 36

• 12

• 48

In the expression 9^2, what is the value of the exponent?

• 27

• 9

• 81

• 18

How do you solve 90 - 5^2 * 3 using GEMDAS?

• Solve 5^2 first

• Solve 90 - 5 first

• Solve 90 - 3 first

• Solve 5 * 3 first

In the expression (4 + 5) * 2, what should be calculated first?

• 5 * 2

• 4 + 5

• 2 + 4

• 4 * 2

How much does each person spend if a family of four buys tickets and drinks, with tickets costing $5 and drinks $2 each?

• $7

• $12

• $10

• $5

What happens to the value of an expression when the exponent is outside the parentheses?

• It becomes smaller

• It remains the same

• It becomes larger

• It becomes zero

In the expression 7 + (12 - 3)^2, what is the first step?

• Calculate 7^2

• Calculate 3^2

• Calculate 12 - 3

• Calculate 7 + 12