Volumes of Cross-Sectional Solids (part 4 of 4)

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Objective

SWBAT verify or correct the accuracy of other students’ pipe cleaners models for volumes of cross-sectional solids.

Big Idea

We spent a full period building 3D models of cross-sectional solids. Today students analyze and correct other students’ models and work.

Video Narrative - Lesson Overview

Warm-up and Homework Review

20 minutes
Volumes of Cross-Sectional Solids (part 4 of 4), Lesson Plan, Warm-up and Homework Review.pdf page 1

Setting the Stage

4 minutes

Have students take out their Volumes of Cross-Sectional Solids sheet that we gave them 2 days ago, and talk through one or two of these examples to summarize the process for drawing and labeling the picture, writing the area expression for the cross-section, and integrating to obtain the volume.  Although we distributed this sheet on the 2nd day of this set of 4 lessons, for some students this sheet will make more sense now that we have spent more time with cross-sectional solids.  Students may refer to this sheet throughout class today as they check the mathematics in other groups’ pipe cleaners projects.



Investigation

34 minutes
Volumes of Cross-Sectional Solids (part 4 of 4), Lesson Plan, Investigation.pdf page 1

Closure + Homework

2 minutes
Volumes of Cross-Sectional Solids (part 4 of 4), Lesson Plan, Closure + Homework.pdf page 1