Multiplying Three-Digit Numbers by Two-Digit Numbers with Regrouping

The video tutorial guides viewers through the process of multiplying two-digit and three-digit numbers by two-digit numbers. It emphasizes the importance of place value and regrouping to avoid common mistakes. The tutorial includes detailed examples, such as multiplying 54 by 36, 286 by 23, and 179 by 45, demonstrating each step clearly. The video also highlights common errors, particularly the need for placeholders in multiplication, ensuring accurate results.

What is the result of multiplying 54 by 36?

• 1744

• 2044

• 1944

• 1844

Why is it important to use a zero as a placeholder in multiplication?

• To confuse the solver

• To maintain correct place values

• To make the numbers look bigger

• To make the calculation easier

What is the product of 286 and 23?

• 6778

• 6678

• 6478

• 6578

When multiplying 286 by 23, what is the result of 3 times 6?

• 22

• 20

• 18

• 16

In the multiplication of 179 by 45, what is the sum of the products in the hundreds column?

• 10

• 9

• 8

• 7

What is the final sum when multiplying 179 by 45?

• 8255

• 8055

• 8155

• 7955

What is the result of 5 times 9 in the multiplication of 179 by 45?

• 35

• 65

• 45

• 55