Mastering 3-Digit Multiplication Techniques

In this video, Mr. J explains how to multiply three-digit numbers by three-digit numbers using two examples: 819 x 237 and 338 x 193. He demonstrates the process step-by-step, emphasizing the importance of lining up numbers correctly and understanding place values. The video concludes with the final answers for both examples, providing a clear understanding of the multiplication process.

What does the term 'product' refer to in multiplication?

• The result of dividing two numbers

• The result of multiplying two numbers

• The difference between two numbers

• The sum of two numbers

When multiplying 819 by 237, what is the first step?

• Multiply 819 by 7

• Multiply 819 by 200

• Multiply 819 by 30

• Add 819 and 237

What is the value of 7 times 9 in the first multiplication step?

• 56

• 72

• 63

• 81

How many zeros do you place before starting the multiplication of the second digit of the second number?

• None

• Three

• Two

• One

What is the final step in completing the multiplication of 819 by 237?

• Carrying over remaining numbers

• Multiplying the final digit

• Adding all partial products

• Subtracting the smallest product

What is the product of 819 and 237?

• 195,213

• 194,103

• 196,321

• 193,803

In the second example, what is the first multiplication step?

• Add 338 and 193

• Multiply 338 by 90

• Multiply 338 by 3

• Multiply 338 by 100

What is the product of 338 and 193?

• 65,334

• 65,434

• 65,134

• 65,234

How many partial products are there in the multiplication of 338 by 193?

• Five

• Four

• Three

• Two

What is the purpose of placing zeros before multiplying by the second and third digits of the second number?

• To decrease the value of the product

• To make multiplication easier

• To represent the place value correctly

• To increase the value of the product