How Do You Divide Fractions?

This five-minute video answers the question "Must one always invert and multiply?" when dividing fractions. An alternative algorithm is presented which works well in certain cases. The video focuses on sense-making in using either method, and on judging the reasonableness of answers.

Resource ID#: 32150 Type: Tutorial

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Direct Link: http://www.mathplayground.com/howto_divide_fractions.html

General Information

Subject(s): Mathematics

Grade Level(s): 5, 6

Intended Audience: Educators , Parents

Suggested Technology: Computer for Presenter, Computers for Students, Internet Connection, LCD Projector, Speakers/Headphones

Instructional Time: 5 Minute(s)

Keywords: denominator, numerator, fraction

Instructional Component Type(s): Tutorial, Video/Audio/Animation,

Instructional Design Framework(s): Demonstration

Resource Collection: NSDL

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