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The Boston Globe

Metro

Intensified evaluations carry lessons for teachers

Aim is a sharing of best strategies

With considerable zeal, Boston teacher Molly Sangalang delved into one of the more difficult math lessons for fifth-graders: multiplying decimals without a calculator.

She demonstrated examples several times on a dry-erase board, repeatedly asked students questions to gauge their understanding. Many were stumped — not the result Sangaland was looking for this particular afternoon, as her supervisor sat in the back of the Blackstone Elementary School classroom, watching her every move.

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