Lesson plan

5. The Lemonade Split: Using Division to Solve Word Problems Involving Measurement (l, g, kg) (FP)

teaches Common Core State Standards CCSS.Math.Content.3.MD.A.2 http://corestandards.org/Math/Content/3/MD/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.MP2 http://corestandards.org/Math/Practice/MP2
teaches Common Core State Standards CCSS.Math.Practice.MP5 http://corestandards.org/Math/Practice/MP5
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Lesson objective: Divide measurement values.

This lesson helps to build division with measurement values. Tape diagrams are used here because they help students visualize that the measurement value is an amount of something.  In these cases, they are equal amounts. This work develops students' understanding that we can use division to solve problems involving equal groups, arrays, and measurement quantities (including liquid volumes and masses of objects).

Students engage in Mathematical Practice 4 by modeling the mathematics as they represent the problem using a tape diagram. Students will also have to decide on what makes sense in real world mathematics. 

Key vocabulary:

  • division
  • equal groups
  • grams (g)
  • kilograms (kg)
  • liters (l)
  • tape diagram

Special materials needed:

  • in class practice worksheet