## TEKS-6-4B

There are 155 resources.
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## VIDEO: Algebra Applications: Variables and Equations, Segment 3: River Ratios.

### Why do rivers meander instead of traveling in a straight line? In going from point A to point B, why should a river take the circuitous route it does instead of a direct path? Furthermore, what information can the ratio of the river’s length to its straight-line distance tell us? In this segment the geological forces that account for a river’s motion are explained. In the process, the so-called Meander Ratio is explored. Students construct a mathematical model of a meandering river using the TI-Nspire. Having built the model, students then use it to generate data to find the average of many Meander Ratios. The results show that on average the Meander Ratio is equal to pi. This video includes a Video Transcript: https://www.media4math.com/library/video-transcript-algebra-applications-variables-and-equations-segment-3-river-ratios A Promethean Flipchart is available for this video: https://www.media4math.com/library/promethean-flipchart-algebra-applications-river-ratios

Applications of Equations and Inequalities, Variables and Unknowns, Variable Expressions

Ratios and Rates

Ratios and Rates

Ratios and Rates

Ratios and Rates

Ratios and Rates

Ratios and Rates

Ratios and Rates

Ratios and Rates

Ratios and Rates

Ratios and Rates

Ratios and Rates

Ratios and Rates

Ratios and Rates

Ratios and Rates

Ratios and Rates

Ratios and Rates

Ratios and Rates

Ratios and Rates

Percents

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Applications of Ratios, Proportions, and Percents, Proportions

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### To see the complete collection of Videos on this topic, click on this link: https://bit.ly/3eZIU07

Rational Expressions

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### To see the complete collection of Videos on this topic, click on this link: https://bit.ly/3eZIU07

Rational Expressions

## Related Resources

### To see the complete collection of Videos on this topic, click on this link: https://bit.ly/3eZIU07

Rational Expressions