Multiplying 3-Digit Numbers by 2-Digit Numbers

The video tutorial covers long multiplication of two-digit numbers through four examples: 542 * 12, 367 * 25, 472 * 34, and 394 * 57. Each example demonstrates the importance of aligning numbers correctly and using placeholders. The tutorial provides step-by-step guidance on multiplying each digit and adding results to find the final answer.

What is the first step in long multiplication?

• Divide the numbers

• Subtract the smaller number from the larger

• Add the numbers together

• Align the numbers accurately

When multiplying 542 by 12, what is the result of 2 multiplied by 5 hundreds?

• 8

• 15

• 10

• 12

In the multiplication of 367 by 25, what do you do after multiplying 5 by 7?

• Subtract from the total

• Multiply by the next digit

• Carry over to the tens column

• Add the results

What placeholder is used when multiplying the tens column in long multiplication?

• Five

• Two

• Zero

• One

What is the sum of the two results in the multiplication of 367 by 25?

• 9175

• 6504

• 16048

• 22458

In the example of 472 multiplied by 34, what is the result of 4 multiplied by 7 tens?

• 21

• 42

• 35

• 28

What is the final answer for the multiplication of 472 by 34?

• 22458

• 16048

• 6504

• 9175

In the multiplication of 394 by 57, what is the result of 7 multiplied by 9 tens?

• 63

• 54

• 72

• 81

What is the final result of multiplying 394 by 57?

• 6504

• 16048

• 9175

• 22458

What is the purpose of carrying over numbers in long multiplication?

• To divide the numbers evenly

• To make the numbers smaller

• To ensure accuracy in multiplication

• To simplify the addition process