Order of Operations and Basic Arithmetic

The video tutorial explains how to evaluate a mathematical expression using the order of operations. It covers simplifying expressions within parentheses, handling exponents, and performing multiplication, division, addition, and subtraction in sequence. The tutorial concludes with verifying the result using a graphing calculator.

What is the first step in solving an expression according to the order of operations?

• Solve exponents

• Simplify within parentheses

• Add and subtract

• Multiply and divide

In the expression 7 - 3, what is the result after simplifying the parentheses?

• 2

• 5

• 3

• 4

What is the purpose of using parentheses in mathematical expressions?

• To make the expression longer

• To change the order of operations

• To add numbers

• To subtract numbers

What is the result of 4 squared?

• 8

• 12

• 16

• 20

When simplifying an expression, which operation should be performed first?

• Addition

• Subtraction

• Exponents

• Multiplication and division from left to right

What is the result of 8 divided by 2?

• 2

• 3

• 4

• 5

After simplifying 8 divided by 2, what is the next operation to perform?

• Add 16

• Subtract 16

• Multiply by 16

• Divide by 16

What is the final result of the expression 4 + 16?

• 18

• 19

• 20

• 21

How can you verify the result of an expression using a calculator?

• By guessing the result

• By using a different expression

• By solving it manually

• By entering the expression and checking the output

Which key on a calculator is used to square a number?

• Squared key

• Multiplication key

• Subtraction key

• Addition key