Lesson plan

Represent a multiplicative comparison situation by using an equation

teaches Common Core State Standards CCSS.Math.Content.4.OA.A.1 http://corestandards.org/Math/Content/4/OA/A/1
teaches Common Core State Standards CCSS.Math.Practice.MP2 http://corestandards.org/Math/Practice/MP2
teaches Common Core State Standards CCSS.Math.Practice.MP4 http://corestandards.org/Math/Practice/MP4
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Big Ideas: Multiplication can be thought about as comparison problems that involve a comparison of two quantities in which one is described as a multiple of the other. The relationship between quantities is described in terms of how many times larger one is than the other. Vocabulary: array, multiple, comparison, equation, factors, products Special Materials: Cuisenaire Rods (optional) Grid paper (optional) Rulers (optional)