Which of the following topics is NOT a great example of opportunities for interdisciplinary instruction?

Interdisciplinary instruction involves integrating multiple subjects to provide students with a more comprehensive understanding of a topic. The correct answer highlights a topic that is primarily focused on a specific mathematical concept rather than encouraging connections to other areas of study.

In this case, an exploration of subtraction with re-grouping is a math-focused lesson that typically remains within the confines of mathematics, emphasizing the process of performing subtraction. While important, it does not inherently lend itself to connections with subjects such as science, social studies, or art, which are often key components of interdisciplinary teaching.

In contrast, the other options facilitate connections across different subjects. For instance, how money affects people's lives can weave together economics, mathematics, and social studies. A gingerbread man unit often combines literature, art, and even science (through discussions of baking and chemistry). An investigation into garden friends and foes engages students in science (entomology, botany) while also incorporating mathematics (measuring garden plots, data collection) and possibly language arts (writing about their findings). These examples show the potential for cross-disciplinary learning, which enhances student engagement and promotes a richer educational experience.