Lesson 6
Revisit Volume
Lesson Purpose
Lesson Narrative
In this lesson, students calculate the volume of different objects. The first activity recalls the meaning of volume as the number of cubic units required to fill a space. Students experiment with different ways to build a rectangular prism using a fixed number of cubes and relate this to finding factors of the number of cubes. In the second activity they estimate the volume of some very large structures, the great pyramid of Egypt and the Empire State Building. Neither shape is a rectangular prism though they are each made up of smaller shapes that are rectangular prisms. Students combine the skills of making reasonable estimates with finding products of very large numbers. If students need additional support with the concepts in this lesson, refer back to Unit 1, Section A in the curriculum materials.
 Action and Expression
 MLR7
Warmup: Estimation Exploration: Sugar Cubes
Learning Goals
Teacher Facing
 Solve real world and mathematical problems involving volume.
Student Facing
 Let’s solve problems about volume.
Required Preparation
CCSS Standards
Addressing
Lesson Timeline
Warmup  10 min 
Activity 1  15 min 
Activity 2  15 min 
Lesson Synthesis  10 min 
Cooldown  5 min 
Teacher Reflection Questions
As students worked together today, where did you see evidence of the mathematical community established over the course of the school year?
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