Some teachers in the Washington, D.C., area are using sign language to limit classroom disruptions and save instructional time. Instead of raising their hands when they need to use the restroom, sharpen pencils or get a drink of water, students use a corresponding sign such as "B" for bathroom -- a request met with a teacher's sign of approval. "Sign language is the ultimate multitasker's tool," one teacher said. "It lets you tend half the class's bodily needs at the same time you're helping a small group learn."
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