Solving Word Problems with Positive and Negative Fractions

This lesson teaches how to solve word problems involving positive and negative fractions using mathematical reasoning. It highlights common mistakes students make, such as providing unreasonable answers. The lesson uses a cupcake recipe example to demonstrate solving a problem by doubling the recipe and using proportions. It emphasizes the importance of ensuring the solution is reasonable and answers the original question, concluding that Janie needs an additional 1 1/2 cups of sugar to make 36 cupcakes.

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