Lesson plan

Calculate volume by decomposing a prism

teaches Common Core State Standards CCSS.Math.Content.5.MD.C.4 http://corestandards.org/Math/Content/5/MD/C/4
teaches Common Core State Standards CCSS.Math.Practice.MP3 http://corestandards.org/Math/Practice/MP3
teaches Common Core State Standards CCSS.Math.Practice.MP7 http://corestandards.org/Math/Practice/MP7

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Big Ideas: Each cube represents 1 cubic unit and each cubic unit represents volume measurement. We can calculate volume by counting the cubes. This lesson builds on students’ recognition that a 1 x 1 x 1 unit cube can be used to measure volume. This task gives students experience developing a strategy to count cubic units in a prism to develop their understanding of volume measurement. Students will use pictures of a packed truck to develop a strategy to calculate volume of the inside of the truck without the dimensions of the truck. They will also examine simple, non-rectangular solids to further their understanding of volume and to build toward future recognition that solids with the same volume can form different shapes. Vocabulary: volume, solid, rectangular prism, dimensions