## Chapter 4: Scale and Scale Factor

**Before You Begin**

__Learning Goals__What do I need to know? Chapter 4 Outcomes

__Vocabulary__Make sure you understand all the terminology used in this chapter! Chapter 4 Vocabulary

Online vocabulary crossword Chapter 4 Crossword

__Online Textbook__Student Textbook

*If you require a password, please ask your teacher*

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**4.1 Enlargements and Reductions**

**Math with Mr. Barnes Scale Factor: Enlargement and Reductions**

__Teaching Videos__THSS Math

__Scale Factor__

__Online Practice__IXL Math Dilations and Scale Factor

**4.2 Scale Diagrams**

**Online Practice**IXL Math Solve Proportions

IXL Math Solve Proportions - Word Problems

IXL Math Scale Drawings and Scale Factor

**4.3 Similar Triangles**

**Teaching Videos**Math with Mr. Barnes What makes Triangles Similar?

Math with Mr. Barnes Similar Triangles

__THSS Math Similarity__

**IXL Math Similar Figures - Side Lengths and Angle Measures**

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Online PracticeOnline Practice

**IXL Math**

**Similar Triangles - Find the Missing Side Length**

**4.4 Similar Polygons**

**Online Pr****a****ctic****e**IXL Math Area and Perimeter of Similar Figures

**Chapter Review**

**Online Chapter Quiz**Take an online quiz to check how well you know this material! Online Chapter 4 Quiz