7. Solve division problems using area models and rectangular arrays (FP)

teaches Common Core State Standards CCSS.Math.Content.5.NBT.B.6 http://corestandards.org/Math/Content/5/NBT/B/6
teaches Common Core State Standards CCSS.Math.Practice.MP7 http://corestandards.org/Math/Practice/MP7

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Lesson objective: Use rectangular arrays and area models to find quotients.

This lesson helps to build fluency with the rectangular array and area model strategies for division. Multiplication is used here because it supports the connection between the two operations and increases efficiency with both strategies. This work develops students' understanding that the meaning of division is always the same.

Students engage in Mathematical Practice 7 (look for and make use of structure) as they solve division problems using area models and rectangular arrays.

Key vocabulary:

• area model
• dividend
• division
• divisor
• quotient
• rectangular array
• remainder

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