# Interactive video lesson plan for: Adding Unlike Fractions

#### Activity overview:

This lesson teaches how to add unlike fractions (which I consider to be the most difficult topic in fraction arithmetic).

First, I go through exercises that have a visual model, and the common denominator is given. Then, students should be given exercises without a visual model but the common denominator is still given.

Lastly, we study the rule about finding the common denominator. I also have another video that concentrates solely on that.

Learn more about fractions with Math Mammoth Fractions 1 book at http://www.mathmammoth.com/fractions_1.php
The methods of this lesson are also used in Math Mammoth Grade 5 curriculum at http://www.mathmammoth.com/complete/grade_5.php

Tagged under: addition,Fraction (Literature Subject), fractions,grade 5

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