Lesson plan

Solve addition and subtraction word problems by using multiple strategies and rounding to check for reasonableness

teaches Common Core State Standards 3.NBT.A.1 http://corestandards.org/Math/Content/3/NBT/A/1
teaches Common Core State Standards 3.NBT.A.2 http://corestandards.org/Math/Content/3/NBT/A/2
teaches Common Core State Standards MP2 http://corestandards.org/Math/Practice/MP2
teaches Common Core State Standards MP6 http://corestandards.org/Math/Practice/MP6
teaches Common Core State Standards MP8 http://corestandards.org/Math/Practice/MP8

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