Lesson plan

The Magic Number: Relate multiplication and division by modeling problems

teaches Common Core State Standards CCSS.Math.Content.3.OA.A.1 http://corestandards.org/Math/Content/3/OA/A/1
teaches Common Core State Standards CCSS.Math.Content.3.OA.A.2 http://corestandards.org/Math/Content/3/OA/A/2
teaches Common Core State Standards CCSS.Math.Content.3.OA.A.3 http://corestandards.org/Math/Content/3/OA/A/3
teaches Common Core State Standards CCSS.Math.Practice.MP1 http://corestandards.org/Math/Practice/MP1
teaches Common Core State Standards CCSS.Math.Practice.MP4 http://corestandards.org/Math/Practice/MP4
teaches Common Core State Standards CCSS.Math.Practice.MP7 http://corestandards.org/Math/Practice/MP7

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Big Ideas: Multiplication and division are inverse operations. This lesson builds on students' prior knowledge of multiplication and division being represented by equal groups. In this lesson, students will develop a further understanding of the relationship between multiplication and division by examining ways that the two operations work inversely. By the end of this lesson, students should have a conceptual understanding of the connection between multiplication and division. This task serves as a critical foundation for future work with operations and algebraic thinking. Vocabulary: multiplication, division, factor, product, dividend, divisor, quotient Special Materials: Counters (optional)