In cross-disciplinary teaching, what is the primary benefit of integrating literacy across the curriculum?

• A. It provides shared language and criteria for understanding and explanation across subjects.
• B. It reduces the need for subject-specific vocabulary.
• C. It replaces content expertise.
• D. It delays content delivery.

Answer: (A)

The main idea being tested is that literacy across the curriculum builds a shared language and set of criteria that students use to understand and explain ideas across different subjects. When students adopt common ways of discussing claims, evidence, reasoning, and explanations, they can transfer those skills from one discipline to another, making learning more coherent and helping them articulate understanding in any subject. This shared discourse also gives teachers a unified framework for what counts as strong understanding and clear communication, aligning expectations across classes. For example, using a claim–evidence–reasoning structure to analyze scientific data and to interpret historical sources helps students see how similar ways of thinking apply across domains.

The other choices miss this central benefit. Literacy across disciplines does not aim to reduce subject-specific vocabulary; it emphasizes using and understanding the key terms from each field to communicate precisely. It does not replace content knowledge; it supports expressing and organizing what students know. And it is not about delaying content delivery; the goal is to integrate reading, writing, speaking, and thinking skills to enhance, not slow, understanding of content.