4th Grade Math 3.6, Choose a Method for 2-digit Multiplication, Partial Products or Regrouping

We can solve and record the product of 2-digit factors by using either partial products or regrouping. We do a quick review of multiplying with partial products, and a quick review of multiplying with regrouping. But, it's best if you have seen video 3.4 and video 3.5 to learn about multiplying with partial products and multiplying with regrouping. We discuss the benefits of using partial products compared to the benefits of using regrouping. We begin with the ones place when using regrouping because we might have a regrouped number that will need to be added to the tens place. We use Mental Math to identify relationships to find a missing number. We solve three word problems that involve 2-digit multiplication.

4th Grade Math 3.4, Multiply 2-digit Factors Using Partial Products
https://youtu.be/qhmNj6j6778

4th Grade Math 3.5, Multiply 2-digit Factors with Regrouping
https://youtu.be/GUEIht1XrtY

4th Grade Math 4.7, Divide Using Repeated Subtraction
https://youtu.be/zJNYb5hb5QE

4th Grade Math Playlist (2015)
https://www.youtube.com/playlist?list=PLKi4WTp6PRGX7RhcxctRibNb7V091JZfn

I'm using the Houghton Mifflin Go Math!
2015 copyright textbook for this playlist.

You can practice online using the textbook's website
https://www.gomathacademy.com/

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