Order of Operations and Basic Arithmetic

The video tutorial explains the order of operations in mathematics, emphasizing the importance of following the correct sequence: parentheses, exponents, multiplication and division from left to right, and addition and subtraction from left to right. It uses the mnemonic 'Please Excuse My Dear Aunt Sally' to help remember the order. Several example problems are solved to demonstrate the correct application of these rules, highlighting common mistakes and the impact of incorrect order on the final answer.

What is the correct order of operations in mathematics?

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

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

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

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

Which mnemonic device can help you remember the order of operations?

• Please Excuse My Dear Aunt Sally

• My Very Educated Mother Just Served Us Noodles

• Every Good Boy Deserves Fudge

• Never Eat Soggy Waffles

In the example given, what was the mistake made in solving the problem?

• Adding before subtracting

• Subtracting before multiplying

• Multiplying before adding

• Dividing before multiplying

What is the result of 3 to the second power?

• 15

• 9

• 12

• 6

In the second example, what is the result of 12 minus 4?

• 6

• 8

• 10

• 12

What is the result of 64 times 2 in the second example?

• 128

• 64

• 32

• 256

In the final example, what is the result of 21 divided by 3?

• 5

• 8

• 6

• 7

What is the final answer in the last example after all operations are completed?

• 32

• 33

• 31

• 34

Which operation should be performed first according to the order of operations?

• Exponents

• Parentheses

• Addition

• Multiplication

What is the result of 8 divided by 4 in the third example?

• 1

• 2

• 3

• 4