Common Core Math 8

MONTHS 4-5

Similar Figures (Ch.2) & 

Volume (Ch. 8)

Scroll down for Class Notes and Video Tutorials .  Resources may take a moment to load fully.  Please be patient.

Class Notes

 I apologize for not posting these sooner. I am having issues with my iPad. I have posted the notes from a previous class that covers the same material. Ignore any concepts you may see in the warm ups that you know we haven't studied yet.

 Sections 2.5 - 2.7

M2W3 Notes Math 8 23-24.pdf

Chapter 8

Ch. 8 Notes Math 8.pdf

Ch. 2 Video Tutorials: Similarity & Dilations

Overview of Congruent Figures and Similar Figures

Identifying Corresponding Parts of Congruent Figures

Identifying Similar Figures

Finding an Unknown Measure in Similar Triangles

Finding an Unknown Measure in a Similar Figure Using a Scale Factor

Formulas for Area and Perimeter of Similar Figures

Determining Perimeters and Areas of Similar Figures

Using  a Similarity Ratio (scale factor) to find Perimeter and Area of Similar Figures

What is a Dilation?

Determining if a Dilation is an Enlargement or a Reduction and Calculating a Scale Factor

Dilating a Figure

Ch. 8 Video Tutorials: Volume & Similar Solids

Volume Overview

Volume of a Cylinder

Volume and Surface Area of a Cylinder

Given the Volume, Find the Height of a Cylinder

How to Find the Volume of a Cone

Volume of a Cone

Volume of a Cone

Volume of a Sphere

Identifying Similar Solids

Surface Areas and Volumes of Similar Solids (Section 8.4)

Using Scale Factors to Find Length, Area, Volume in Similar Figures

Practice Problem: Computing side length, surface area, and volume of similar solids

Surface Area and Volume of Similar Solids: Examples

Common Core State Standards (CCSS)

Ch. 2: Similarity and Dilations

2.5 Similar Figures (CCSS 8.G.4)

2.6 Perimeters & Areas of Similar Figures (CCSS 8.G.4)

2.7 Dilations (CCSS 8.G.3, 8.G.4)

Ch. 8: Volume & Similar Solids

8.1 Volumes of Cylinders (CCSS 8.G.9)

8.2 Volumes of Cones (CCSS 8.G.9)

8.3 Volumes of Spheres (CCSS 8.G.9)

8.4  Surface Areas & Volumes of Similar Solids (CCSS 8.G.9)