Lesson plan

Solve multi-digit whole number division problems by using area models to understand the standard algorithm

teaches Common Core State Standards CCSS.Math.Content.6.NS.B.2 http://corestandards.org/Math/Content/6/NS/B/2
teaches Common Core State Standards CCSS.Math.Practice.MP2 http://corestandards.org/Math/Practice/MP2
teaches Common Core State Standards CCSS.Math.Practice.MP7 http://corestandards.org/Math/Practice/MP7

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Big Ideas: An algorithm can be an effective and efficient way to divide whole numbers. Division models can help demonstrate how the algorithm works. This lesson builds on students' work with visual and other conceptual models associated with division of whole numbers. The purpose of this standard is to have students understand and fluently use the standard algorithm for dividing whole numbers. This builds towards students' division of rational numbers in 7th grade. Successful use of the standard algorithm is the goal of this lesson. However, conceptual models should be used to make connections to the algorithm and lead to students successfully dividing whole numbers with the standard algorithm. In this task, students are asked to find the missing length of a boardwalk that has been destroyed by a hurricane so that it can be replaced by planks that are sold in packs of 100, 10 and 1. Vocabulary: Dividend Divisor Quotient Remainder Whole number place value vocabulary (thousands, hundreds, tens, ones) Area Length Width