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Illustrative Math-Media4Math Alignment

 

 

Illustrative Math Alignment: Grade 7 Unit 4

Proportional Relationships and Percentages

Lesson 4: Half as Much Again

Use the following Media4Math resources with this Illustrative Math lesson.

Thumbnail Image Title Body Curriculum Nodes
VideoTutorial--Ratios12Thumbnail.jpg Video Tutorial: Ratios, Video 12 Video Tutorial: Ratios, Video 12

Topic

Ratios

Description

The video explains how proportions are used to create scale drawings, ensuring geometric figures remain proportional. Examples include finding dimensions in similar triangles, scaling architectural models, and solving geometric problems. The concept of proportional relationships is key to accurate scaling.

Ratios and Rates
VideoTutorial--Ratios10Thumbnail.jpg Video Tutorial: Ratios, Video 10 Video Tutorial: Ratios, Video 10

Topic

Ratios

Description

Proportions are explained as equivalent ratios used to solve real-world problems. Examples include matching juice mixtures and adjusting recipes. The video uses ratio tables and number lines to scale ratios proportionally in practical applications.

Ratios and Rates