## Chapter 11

### Geometry & Volume

## Videos - Math on the Spot

**NOTE: The following videos will only work if you are logged in to the Go Math! site. Instructions to log in to the Go Math! site can be found on the Math page toward the bottom.**

**Lesson 1 - **Polygons

**Essential Idea:** How can you identify and classify polygons?

**Watch the Video Here: **Math on the Spot- Lesson 11.1

**Lesson 2 - **Triangles

**Essential Idea: **How can you classify triangles?

**Watch the Video Here: **Math on the Spot- Lesson 11.2

**Lesson 3 - **Quadrilaterals

**Essential Idea:** How can you classify and compare quadrilaterals?

**Watch the Video Here: **Math on the Spot- Lesson 11.3

**Lesson 4 - **Three-Dimensional Figures

**Essential Idea:** How can you identify, describe, and classify three-dimensional figures?

**Watch the Video Here: **Math on the Spot- Lesson 11.4

**Lesson 5 - **Unit Cubes and Solid Figures

**Essential Idea:** What is a unit cube and how can you use it to build a solid figure?

**Watch the Video Here: **Math on the Spot- Lesson 11.5

**Lesson 6 - **Understand Volume

**Essential Idea:** How can you use unit cubes to find the volume of a rectangular prism?

**Watch the Video Here: **Math on the Spot- Lesson 11.6

**Lesson 7 - **Estimate Volume

**Essential Idea:** How can you use an everyday object to estimate the volume of a rectangular prism?

**Watch the Video Here: **Math on the Spot- Lesson 11.7

**Lesson 8 - **Volume of Rectangular Prisms

**Essential Idea: **How can you find the volume of a rectangular prism?

**Watch the Video Here: **Math on the Spot- Lesson 11.8

**Lesson 9 - **Apply Volume Formulas

**Essential Idea: **How can you use a formula to find the volume of a rectangular prism?

**Watch the Video Here: **Math on the Spot- Lesson 11.9

**Lesson 10 - Problem Solving - Compare Volumes**

**Essential Idea: **How can you use the strategy *make a table* to compare different rectangular prisms with the same volume?

**Watch the Video Here: **Math on the Spot- Lesson 11.10

**Lesson 11 - Find Volume of Composed Figures**

**Essential Idea: **How can you find the volume of rectangular prisms that are combined?

**Watch the Video Here: **Math on the Spot- Lesson 11.11