Social Justice and Proportional Reasoning

  • Social Justice and Proportional Reasoning

    Ksenija Simic-Muller
    Textbook tasks can easily be transformed into authentic real-world problems that shed light on issues of equity and fairness, such as population growth and crime rates.
    Being a mathematically literate citizen requires daily applications of proportional reasoning, especially when answering such questions as these: “Is the larger package a better buy?” “Is Chicago more dangerous than Detroit?” Many of these applications, like the second question above, are related to social justice issues found in society. Mathematical story problems seen in textbooks are often contrived and only superficially deal with the real world and its complex issues. For example, the following Mixture problem is typically used when teaching ratios: