Basic Arithmetic and Order of Operations

The video tutorial covers mental math techniques using the PEMDAS rule. It provides three examples to demonstrate solving arithmetic problems by prioritizing operations: multiplication, addition, and using parentheses for clarity. The tutorial concludes with a brief introduction to exercise problems to reinforce the concepts learned.

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

• Subtraction

• Parentheses

• Multiplication

• Addition

In the expression 2 * 19 + 410, what operation should be performed first?

• Addition

• Multiplication

• Subtraction

• Division

What is the result of 2 * 19?

• 28

• 38

• 48

• 58

After calculating 2 * 19, what is the next step in solving 2 * 19 + 410?

• Multiply 38 by 410

• Subtract 38 from 410

• Add 38 to 410

• Divide 410 by 38

What is the final answer to the expression 2 * 19 + 410?

• 478

• 448

• 458

• 468

In the expression 3 * 50 + 4 * 150, what should be calculated first?

• 50 + 150

• 3 + 4

• 4 * 150

• 3 * 50

What is the result of 3 * 50?

• 100

• 150

• 200

• 250

What is the result of 4 * 150?

• 400

• 500

• 700

• 600

What is the final answer to the expression 3 * 50 + 4 * 150?

• 800

• 750

• 700

• 650

In the expression 90 * 8 + 10 * 20, what should be calculated first?

• 90 + 10

• 8 + 20

• 10 * 20

• 90 * 8