Social or distributive justice refers to just distributions of income and wealth. Because social justice is an essentially contested concept, it has no true or core meaning, only several conflicting interpretations. This pluralism creates a problem for teachers who must explain to students how the various interpretations differ and underlie policy…

The Gini index is one of the most commonly used indicators of income inequality, and its computation and interpretation require a thorough understanding of various quantitative literacy concepts. In this article, we describe a unit for an interdisciplinary quantitative literacy course at a community college that treats concepts of ratio and…