Understanding Ratios and Fractions

This lesson explores the similarities and differences between ratios and fractions. It explains how ratios can be expressed in fraction notation and highlights the distinction between part-to-part and part-to-total ratios. The lesson uses examples and pictures to clarify these concepts, emphasizing that not all ratios are fractions. Part-to-total ratios can be considered fractions, while part-to-part ratios cannot. The lesson concludes by advising the use of units to avoid confusion when writing part-to-part ratios.

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