Lesson plan

Apply knowledge of unit conversions to solve multi-step problems involving large distances in the Standard system by using visual models and equations

teaches Common Core State Standards CCSS.Math.Content.4.MD.A.2 http://corestandards.org/Math/Content/4/MD/A/2
teaches Common Core State Standards CCSS.Math.Content.4.NBT.B.4 http://corestandards.org/Math/Content/4/NBT/B/4
teaches Common Core State Standards CCSS.Math.Content.4.OA.A.3 http://corestandards.org/Math/Content/4/OA/A/3
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: Measurements given in a large unit can be written as an equal amount in smaller units by using multiplication. Subtraction can be used to make an additive comparison between two numbers. This lesson has students apply knowledge of unit conversions of length in the standard system in order to solve a problem involving feet, yards, and miles. Students will have to apply knowledge of additive comparisons to justify a comparison between two numbers. Vocabulary: feet, yards, miles, compare Special Materials: ruler and yardstick (optional)