Lesson plan

# 5. Connecting the area model to volume formulas (FP)

teaches Common Core State Standards CCSS.Math.Content.5.MD.C.5b http://corestandards.org/Math/Content/5/MD/C/5/b
teaches Common Core State Standards CCSS.Math.Practice.MP8 http://corestandards.org/Math/Practice/MP8

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Lesson objective: Compute the volume of right rectangular prisms by applying the volume formula.

This lesson helps to build procedural skill with the volume formula b x h. Right rectangular prisms are used here because they support understanding of base area and height. This work develops students' understanding that the volume of a right rectangular prism is also equal to the product of its height and the area of its base.

Students engage in Mathematical Practice 8 (look for and express regularity in repeated reasoning) as they compute the volume and find unknown dimensions using the volume formula b x h.

Key vocabulary:

• base area
• volume
• Special materials needed:
• isometric dot paper
• unit cubes