Unit 1, Lesson 10
Represent Volume with Expressions
Grade 5
Preparation
Lesson Purpose
The purpose of this lesson is for students to write, interpret, and evaluate numerical expressions that represent the volumes of solid figures composed of two right rectangular prisms.
Lesson Narrative
In previous lessons, students used formulas to find the volume of a right rectangular prism. They also learned to apply these formulas to find the volume of a figure made up of two non-overlapping right rectangular prisms. In this lesson, students use what they have learned to write and interpret numerical expressions in the context of finding the volume of a figure composed of rectangular prisms (MP2). Students recognize that subtraction can be used to find the volume of a figure composed of two non-overlapping rectangular prisms.
- Action and Expression
- MLR8
- Compare and contrast (orally and in writing) expressions that represent the volume of a figure composed of rectangular prisms.
- Determine the volume of a figure composed of rectangular prisms and represent it with an expression.
- Let’s write expressions for the volumes of figures.
Required Preparation
None
Teacher Reflection Questions
How did the work of the previous sections in the unit lay the foundation for students to be successful in this lesson?
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