This lesson teaches how to divide using expanded notation. It begins with a review of breaking down multiplication into smaller parts and understanding expanded notation. The lesson then introduces smart estimation, demonstrating how to round numbers for easier division. Two examples are provided: dividing 1,315 by 5 and distributing 1,520 pencils among 10 students. Each example uses expanded notation to simplify the division process. The lesson concludes by reinforcing the concept of dividing using expanded notation.

Describe the expanded notation of the number 2,615.

How do you determine the quotient when dividing using expanded notation?