The start of the lesson is used to review simplifying and calculating equivalent ratios. The development phase builds on this by using equivalent ratios to model proportionate amounts using both the unitary and highest common factor methods.

**Differentiated Learning Objectives**

- All students should be able to calculate the highest common factor between two equivalent ratios.
- Most students should be able to calculate proportionate amounts using equivalent ratios.
- Some students should be able to solve problems involving equivalent ratios in context.

**Free Downloads and Links**

Video Demonstration 1
Video Demonstration 2**IMMEDIATE DOWNLOAD**

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