Multiplying: 4-digits times 1-digit (using expanded form)

In this Khan Academy video tutorial, view an example of multiplying a 4-digit number by a 1-digit number by expanding the 4-digit number and multiplying by each digit individually in an area model. This video will help to build an understanding before teaching the standard algorithm. Multiplying with a 4-digit factor is larger than some standards which limit factors to 3-digits.

Resource ID#: 126584 Type: Tutorial

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Direct Link: https://www.khanacademy.org/math/cc-fourth-grade-math/cc-4th-mult-div-topic/cc-4th-area-models/v/4-by-1-multiplication-with-grid

General Information

Subject(s): Mathematics

Grade Level(s): 4, 5

Intended Audience: Educators , Students , Parents

Suggested Technology: Computers for Students, Internet Connection, Speakers/Headphones

Keywords: Multiplication, Khan academy, expanded form

Instructional Component Type(s): Tutorial

Resource Collection: Elementary Math specific existing tutorials

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