Teachers should use a tool belt or similar device to keep necessary supplies close during class, according a longtime educator and instructional coach. In this blog post, David Ginsburg writes that teachers often waste precious minutes searching for supplies during class. Ginsburg says his tool belt is equipped with a "pocket dictionary, paper clips, tape, rubber bands, pencils, overhead pens, index cards, a hole punch, a calculator, a compass, a protractor and a train whistle."

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