Understanding Order of Operations

In this video, John from TC Math Academy presents a simple math problem to highlight common misconceptions about the order of operations. He explains the importance of following the correct sequence using the PEMDAS acronym, which stands for Parentheses, Exponents, Multiplication, Division, Addition, and Subtraction. The video provides a detailed solution to the problem, emphasizing the need to perform operations from left to right when dealing with multiplication and division. John also discusses common mistakes and offers resources for further learning.

What is the main reason the teacher hopes students get the problem wrong initially?

• To encourage the use of advanced math techniques

• To prove that math is difficult

• To clarify a common misunderstanding

• To show that calculators are unreliable

Tags

CCSS.7.EE.A.1

What does the acronym PEMDAS stand for?

• Parentheses, Exponents, Multiplication, Division, Algebra, Simplification

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

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

• Parentheses, Exponents, Multiplication, Division, Algebra, Subtraction

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

Why do some students mistakenly think multiplication always comes before division?

• Because textbooks emphasize it

• Because of a misunderstanding of the order of operations

• Because calculators always do it that way

• Because it is a rule in advanced math

Tags

CCSS.7.EE.B.3

In the order of operations, what should you do if both multiplication and division appear?

• Perform the operation that appears last from left to right

• Always do division first

• Perform the operation that appears first from left to right

• Always do multiplication first

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

What is the correct answer to the problem 10 / 2 * 5?

• 50

• 1

• 10

• 25

Tags

CCSS.6.EE.A.2C

What is the first step in solving a problem using PEMDAS?

• Solve any exponents

• Perform all multiplications

• Solve any operations inside parentheses

• Perform all divisions

Tags

CCSS.7.NS.A.3

What is a common phrase used to remember the order of operations?

• Please Excuse My Dear Aunt Sally

• Please Examine My Dear Aunt Sally

• Please Explain My Dear Aunt Sally

• Please Execute My Dear Aunt Sally

Tags

CCSS.5.OA.A.1

CCSS.5.OA.A.2

What should you do if there are no parentheses or exponents in a problem?

• Skip to multiplication and division

• Use a calculator to find the answer

• Skip to addition and subtraction

• Solve the problem from right to left

Tags

CCSS.3.OA.B.5

What is the benefit of making a mistake in solving the problem?

• It indicates that the problem is unsolvable

• It proves that calculators are necessary

• It provides an opportunity to learn and correct misunderstandings

• It shows that math is too complex

Tags

CCSS.8.EE.C.7B

Where can students find more resources to improve their math skills?

• At the local library

• On social media platforms

• At TCM academy.com

• In their school textbooks

Tags

CCSS.8.EE.C.7B