Solving Ratio Problems with Double Number Lines

This video tutorial teaches how to solve ratio problems using a double number line. It begins with an introduction to equivalent ratios, highlighting common mistakes in setting up ratio problems. The tutorial then demonstrates how to correctly set up a double number line using a practical example involving books and DVDs. It explains the concepts of additive and multiplicative reasoning, showing how these methods can simplify solving ratio problems. The video emphasizes the importance of accurate setup and understanding the constant pattern in ratios.

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